frequency switching time

время переключения частоты

2) коммутационный
3) коммутация соединений
4) маневры
5) переключательный
6) < railways> маневровый
7) переключающий
8) коммутация
– arcless switching
– automatic switching
– channel switching
– circuit switching
– code switching
– data switching
– dial switching
– electrical switching
– electronic switching
– faulty switching
– internal switching
– packet switching
– regional switching
– relay switching
– remote switching
– routine switching
– switching algebra
– switching center
– switching circuit
– switching crew
– switching device
– switching diode
– switching discharge
– switching element
– switching equipment
– switching frequency
– switching function
– switching interferometer
– switching matrix
– switching mechanism
– switching net-work
– switching pad office
– switching point
– switching pulse
– switching surge
– switching table
– switching through
– switching time
– switching voltage
– telephone switching
– time lag of switching
– time-division switching

chatter of switching contacts — дребезжание коммутационных контакт

data packet switching — пакетная коммутация данных

electronic switching exchange — электронная АТС

gas-filled switching tube — резонансный разрядник

integrated switching system — интегральная коммутационная система

iterative switching network — итеративная структура

outlet of switching system — выход коммутационной системы

quasi-electronic switching system — квазиэлектронная система коммутации

reduce switching time — форсировать переключение

regional switching center — главный коммутационный центр

space division switching — пространственная коммутация

step-by-step switching equipment — коммутационная аппаратура шаговой

switching electric locomotive — маневровый электровоз

switching power supply — импульсный источник питания

tandem switching point — транзитный коммутационный узел

telephone switching device — телефонное коммутационное устройство

- automatic emulation switching
- automatic mode switching
- automatic network switching
- automatic reperforator switching
- bank switching
- beam switching
- beam-lobe switching
- bubble-domain switching
- bubble state switching
- channel switching
- charge-controlled switching
- circuit switching
- code switching
- code-division switching
- context switching
- critical-field switching
- cut-through switching
- data link switching
- demand-assigned switching
- dial switching
- domain-wall state switching
- dynamic switching
- electrothermal switching
- emulation switching
- energy-controlled switching
- flux state switching
- frequency-division switching
- front-porch switching
- gain switching
- head switching
- integrated voice/data switching
- label switching
- line switching
- lobe switching
- localized switching
- machine switching
- magnetization switching
- memory switching
- message switching
- minor switching
- multiprotocol label switching
- noncentral-circuit switching
- packet switching
- parametric switching
- passive Q-switching
- phase switching
- preprogrammed switching
- progressive switching
- protocol switching
- pulsed Q-switching
- push-button switching
- Q-switching
- sharing switching
- space switching
- space-division switching
- stage-by-stage switching
- step-by-step switching
- store-and-forward switching
- stored-program control-assisted electromechanical switching
- surface switching
- sweep switching
- tandem switching
- task switching
- telecommunications circuit switching
- thermomagnetic switching
- threshold switching
- time-division switching
- trunk switching
- virtual switching

- automatic mode switching
- automatic network switching
- automatic reperforator switching
- bank switching
- beam switching
- beam-lobe switching
- bubble state switching
- bubble-domain switching
- channel switching
- charge-controlled switching
- circuit switching
- code switching
- code-division switching
- context switching
- critical-field switching
- cut-through switching
- data link switching
- demand-assigned switching
- dial switching
- domain-wall state switching
- dynamic switching
- electrothermal switching
- emulation switching
- energy-controlled switching
- flux state switching
- frequency-division switching
- front-porch switching
- gain switching
- head switching
- integrated voice/data switching
- label switching
- line switching
- lobe switching
- localized switching
- machine switching
- magnetization switching
- memory switching
- message switching
- minor switching
- multiprotocol label switching
- noncentral-circuit switching
- packet switching
- parametric switching
- passive Q switching
- phase switching
- preprogrammed switching
- progressive switching
- protocol switching
- pulsed Q switching
- push-button switching
- Q switching
- sharing switching
- space switching
- space-division switching
- stage-by-stage switching
- step-by-step switching
- store-and-forward switching
- stored-program control-assisted electromechanical switching
- surface switching
- sweep switching
- tandem switching
- task switching
- telecommunications circuit switching
- thermomagnetic switching
- threshold switching
- time-division switching
- trunk switching
- virtual switching

- automatic message switching
- automatic reperforator switching
- automatic track switching
- automatic volume switching
- bank switching
- batch switching
- beam switching
- channel switching
- chrominance phase switching
- circuit switching
- contact switching
- contactless switching
- crossbar switching
- cutthrough switching
- data switching
- demand-assigned switching
- digital switching
- direct switching
- distributed switching
- electronic frequency standard switching
- electronic switching
- emergency switching
- Ethernet switching
- fast-circuit switching
- fast-packet switching
- four-wire switching
- group switching
- head switching
- hybrid switching
- input/output switching
- intra-node message switching
- line mode switching
- line switching
- load switching
- lobe switching
- man-made switching
- manual switching
- master switching switching
- messages switching
- mixed switching
- multichannel switching
- multispeed switching
- one-speed switching
- packet switching
- parametric switching
- phase switching
- physical-layer switching
- quasi-cutthrough switching
- reed switching
- reinforced thyristor switching
- remote channel switching
- remote code switching
- remote lighting switching
- section switching
- sharing switching
- space switching
- spatial switching
- static switching
- station-to-telephone call switching
- step-by-step switching
- subscriber switching
- superrate switching
- sweep switching
- switching & n-channel conferencing
- tandem switching
- telecommunications circuit switching
- telegraph switching
- telephone switching
- thyristor switching
- time-division switching
- transmit/receive switching
- trunk switching
- unbroken switching
- virtual switching
- voice packet switching

– switching curve
– switching datacom
– switching device
– switching element
– switching frequency
– switching function
– switching input
– switching line
– switching logic
– switching nodes
– switching period
– switching plane
– switching sequence
– switching surface
– switching system
– switching threshold
– switching time
– switching unit

2) многократность
3) частотно
4) частотность
5) частотный
6) темп
– allocate frequency
– alternate frequency
– angular frequency
– antiresonance frequency
– antiresonant frequency
– assigned frequency
– audio frequency
– base frequency
– basic frequency
– beat frequency
– break frequency
– buoyancy frequency
– calling frequency
– carrier frequency
– cell frequency
– collision frequency
– commercial frequency
– component frequency
– conversion frequency
– critical frequency
– crossover frequency
– cutoff frequency
– cyclotron frequency
– difference frequency
– dot frequency
– driving frequency
– espected frequency
– field frequency
– fixed frequency
– flicker frequency
– formant frequency
– fractional frequency
– frame frequency
– free-running frequency
– frequency alignment
– frequency allocation
– frequency analysis
– frequency band
– frequency calibration
– frequency changer
– frequency channel
– frequency characteristic
– frequency code
– frequency compression
– frequency control
– frequency converter
– frequency correction
– frequency curve
– frequency departure
– frequency deviation
– frequency discrimination
– frequency distortion
– frequency distribution
– frequency diversity
– frequency divider
– frequency division
– frequency domain
– frequency doubler
– frequency drift
– frequency feedback
– frequency function
– frequency in pitch
– frequency in roll
– frequency interleaving
– frequency interpretation
– frequency isolation
– frequency jitter
– frequency jumping
– frequency limit
– frequency lock-in
– frequency mark
– frequency marker
– frequency match
– frequency meter
– frequency modulated
– frequency modulation
– frequency modulator
– frequency monitoring
– frequency multiplex
– frequency multiplication
– frequency multiplier
– frequency nominal
– frequency of event
– frequency polygon
– frequency pulling
– frequency range
– frequency ratio
– frequency response
– frequency selective
– frequency setting
– frequency shift
– frequency spacing
– frequency spectrum
– frequency splitting
– frequency spread
– frequency stability
– frequency stabilization
– frequency standard
– frequency synthesis
– frequency synthesizer
– frequency telegraphy
– frequency tolerance
– frequency transformation
– frequency transformer
– frequency translation
– frequency tripler
– frequency tuning
– frequency wobbling
– fundamental frequency
– genotype frequency
– harmonic frequency
– heterodyne frequency
– high frequency
– hold on to frequency
– hypersonic frequency
– idler frequency
– image frequency
– increase the frequency
– infrasonic frequency
– injection frequency
– instantaneous frequency
– intermediate frequency
– ion plasma frequency
– Larmor frequency
– laser frequency
– line frequency
– lock on frequency
– lowest-useful frequency
– magnetoplasma frequency
– marking frequency
– maser frequency
– master frequency
– modulating frequency
– modulation frequency
– multiple frequency
– multiplier of frequency
– natural frequency
– network frequency
– non-dimensional frequency
– operation frequency
– oscillation frequency
– oscillator frequency
– pedestal frequency
– penetration frequency
– picture frequency
– pilot frequency
– pitch frequency
– plasma frequency
– precessional frequency
– pump frequency
– quench frequency
– radio frequency
– rated frequency
– relative frequency
– repetition frequency
– resonance frequency
– resonant frequency
– ripple frequency
– scan frequency
– scanning frequency
– scattering frequency
– screen frequency
– set up fixed frequency
– set up frequency
– side frequency
– signal frequency
– slip frequency
– spacing frequency
– spatial frequency
– standard frequency
– Stokes frequency
– straight-line frequency
– subcarrier frequency
– subsonic frequency
– sum frequency
– superhigh frequency
– switching frequency
– synchronous frequency
– threshold frequency
– tracking frequency
– translate frequency
– tune to frequency
– ultra-high frequency
– ultrasonic frequency
– vibration frequency
– voice frequency
– wave frequency
– working frequency
– zero frequency

absorption frequency meter — резонансный волномер

additive frequency mixing — преобразование частоты аддитивное

amplitude frequency distortion — амплитудно-частотное искажение

assign frequency band — распределять полоса частот

assigned frequency band — номинальный диапазон частот

audio frequency band — полоса звуковых частот

automatic frequency control — частотная АПЧ, автоматическая настройка частоты

automatic frequency unloading — разгрузка автоматическая частотная

carrier frequency hologram — голограмма на несущей частоте

carrier frequency spacing — разнос несущих частот

carrier frequency system — система передачи с частотным разделением каналов

cavity frequency meter — волномер с объемным резонатором

centimetric wave frequency — диапазон сантиметровых волн

commutator-type frequency converter — коллекторный преобразователь частот

compensation frequency telegraphy — телеграфирование частотное компенсационное

compound frequency distribution — <math.> плотность распределения осредненная

decibel-log frequency characteristic — логарифмическая амплитудно-частотная характеристика

difference in tuning frequency — расстройка между контурами

flatness of a frequency curve — сглаженность кривой плотности

frequency allocation table — таблица распределения частот

frequency band of emission — полоса частот излучения

frequency code signal — частотно-кодированный сигнал

frequency compensated amplifier — усилитель корректированный

frequency deviation meter — <tech.> стабилометр частоты

frequency division multiplex — частотное уплотнение каналов

frequency domain spectroscopy — спектроскопия стационарная, спектроскопия частотная

frequency force factor — <electr.> коэффициент силовой частоты

frequency light modulator — частотный модулятор света

frequency modulation index — индекс частотной модуляции

frequency response analyzer — анализатор частотный

frequency selective network — частотноизбирательная схема

frequency selective voltmeter — селектирный вольтметр

generate carrier frequency — формировать несущую частоты

high frequency discharge — высокочастотный разряд

kurtosis of a frequency curve — эксцесс плотности распределения

kurtosis of frequency curve — эксцесс плотности распределения

limiting of frequency band — ограничение полосы частот

maximum usable frequency — максимально применимая частота

molecular rotation frequency — вращательная частота молекулы

moment of a frequency distributi — момент распределения вероятности

multiple-position frequency telegraphy — телеграфия частотная многопозиционная

natural resonant frequency — частота свободных колебаний

operate on frequency of — работать на частоте

operation frequency range — рабочий диапазон частот прибора СВЧ

parasite frequency modulation — паразитная частотная модуляция

pulse repetition frequency — частота следования импульсов

roll-off of frequency response — завал частотной характеристики

rotary frequency changer — генератор повышенной частоты

shift to another frequency — переходить на другую частоту

signal increases in frequency — сигнал увеличивается по частоте

spread frequency band — растягивать полосу частот

static frequency converter — статический преобразователь частоты

subcarrier frequency modulation — частотная модуляция с поднесущей

thyratron frequency changer — тиратронный преобразователь частоты

time-sharing two frequency laser — лазер с попеременной генерацией двух частот

transient frequency jitter — < radio> дергание частоты

transmission-type frequency wave — проходной волномер

two-tone frequency keying — двухчастотное телеграфирование

valve-type frequency converter — вентильный преобразователь частоты

variable frequency oscillator — генератор плавного диапазона

variations with frequency — частотный ход

very low frequency antenna — антенна диапазона СДВ

video frequency band — полоса видеочастот

- accepting station
- access station
- aerodynamic broadcast station
- affiliated station
- airborne decameter radio station
- Alcatel station
- all-mine telephone station
- amplifying station
- analog switching station
- analog-digital station
- analytical photogrammetric station
- automatic trunk station
- background station
- backhaul station
- backlogged station
- balanced station
- base station
- base-airborne station
- base-radio station
- BB-switching back-to-back station
- BB-switching end terminal station
- BB-switching n-way branching station
- beacon station
- boat-radio station
- booster station
- broadcasting node station
- broadcasting station
- broadcasting-satellite space station
- buffer station
- callers-telephone station
- car-subscriber station
- CB station
- central fire-alarm station
- central station
- central-searching station
- channel station
- channel-attached station
- civil band station
- class-A station
- class-B station
- class-C station
- class-D station
- coastal Earth station
- coastal station
- coastal terrestrial radio station
- commercial radio station
- communication relay station
- compact hand station
- computerized data exchange station
- container terrestrial station
- control station
- control-measuring station
- converted-base station
- crossing station
- data station
- data-transmission station
- destination station
- digital communication station
- digital photogrammetic station
- digital switching station
- digital terminal station
- display station
- diving telephone station
- drift station
- Earth station
- electronic mobile station
- emergency frequency station
- emergency-position indicating radiobeacon station
- emergency-radio station
- exchange-service station
- feeder-amplifier station
- fifth generation radio station
- fifth-class mobile station
- first-class mobile station
- fixed control station
- fixed station
- fixed-frequency station
- fixed-microwave auxiliary station
- FM-broadcasting station
- forwarding station
- four-course radio-range station
- fourth class mobile station
- fourth-generation radio station
- gate station
- graphic station
- ground station
- ground wireless station
- head wagon radio station
- head-end station
- heavy mobile station
- helicopter radio station
- hydroacoustic station
- IF drop insertion station
- IF repeating branching station
- IF repeating through station
- IF repeating TV drop insertion station
- image station
- industrial-communication station
- inquiry station
- integrated station
- intercom station
- interfered radio station
- interferencing radio station
- intermediate station
- intradepartment-communication center station
- land mobile station
- land station
- life-raft radio station
- light-weight mobile station
- line station
- line waterside USB-station
- line-network station
- locomotive radio station
- loudspeaking-communication station
- low-power television frequency station
- magnetic-tape station
- main station
- major relay station
- managing-radio station
- manual-trunk station
- master station
- media command station
- media control station
- meter-band station
- microwave repeating station
- microwave station
- minor-relay station
- mobile-Earth station
- mobile-radio station
- mobile-television station
- mobile-tropospheric station
- movable radio station
- multiband station
- municipal radio station
- network station
- newsroom station
- nodal coastal radio station
- nodal-communication station
- nonmagnetic diving station
- nonserviced repeater station
- on-board station
- operative-communication station
- passive station
- physical station
- piezoelectric batteryless station
- pipeline control USB-station
- play station
- pole-mounted station
- portable radio station
- portable relay station
- primary station
- priority mobile station
- rack-mounted station
- radio station
- radio-beacon monitor station
- radio-beacon station
- radiodirection-finder station
- radio-positioning land station
- radio-positioning mobile station
- radio-range station
- radiosonde station
- radiotelegraph station
- radiotelephone station
- railway radio station
- reading station
- readout station
- receiving-earth station
- regenerating station
- relay station
- remote feeding station
- remote forwarding station
- remote monitoring station
- repeater station
- reserve terrestrial radio station
- retransmitting station
- road station
- rural-subscriber station
- satellite station
- second class mobile station
- secondary station
- sectional communication center station
- semistationary terrestrial station
- sensing station
- serviced station
- serviced-repeater station
- ship-Earth station
- ship-radio station
- six-channel relay transmission station
- slave station
- solar radio station
- source station
- spark-safe radio station
- standard frequency-and-time signal station
- state radio station
- state relay station
- stationary relay station
- stationary station
- stationary terrestrial station
- subcontrol station
- subscriber station
- subscription station
- supervised station
- switching station
- tail wagon radio station
- telecode communication station
- telegraph station
- telemetering station
- telephone-and-telegraph station
- television pickup station
- temporary fire communiation station
- terminal communication station
- terminal exchange station
- terminal network station
- terminal telegraph station
- terrestrial ship radio station
- terrestrial station
- terrestrial terminal station
- terrestrial-coastal station
- third class mobile station
- three-wire diving station
- toll station
- train communication station
- transfer station
- transmitting Earth station
- transport station
- transportable earth station
- tributary station
- tropospheric communication station
- trunk telephone station
- TV-transmitting station
- ultra-short-band station
- underground terminal station
- unified diving station
- unmanned station
- USB-station
- user station
- videotex station
- wall-mounted station
- working station

- acoustic alarm system
- acoustic image system
- acoustic systems
- actiontrack system
- active IR-system
- actuator system
- adaptive communication system
- adaptive teleinformation system
- adaptive telemetering system
- advanced information system
- Afsatcom system
- air system
- aircraft intercommunication system
- airfield communication system
- air-ground automatic system
- airline reservation system
- air-to-ground TV system
- alarm signal system
- alarm system
- all-channel signaling system
- ALL-IN-ONE system
- alphanumeric system
- amplified speaker system
- amplitude shift-keying system
- AMPS system
- analog cellular communication system
- analog cellular system
- analog component video system
- analog television system
- analog tropospheric system
- anisochronous system
- antenna system
- antitheft system
- AR system
- Arabsat system
- ASK system
- associated channel analog system
- asynchronous address communication system
- audio recording system
- Aurora system
- Aussat system
- automatic communication system
- automatic connection establishment system
- automatic control system
- automatic data acquisition system
- automatic telegraphy system
- automatic telephone system
- automatic tuning system
- automatized cellular system
- auxiliary alarm system
- balanced cable transmission system
- band sharing system
- base station system
- baseband system
- basic input/output system
- bass-reflex speaker system
- batch processing system
- batch transmission system
- batch-and-forward system
- batteryless system
- bilateral CTV system
- binary tariff system
- biocontrol system
- bit parallel interface system
- bit transport system
- bridge duplex system
- broadband mobile system
- broadcast satellite system
- broadcasting delivery media systems
- burglar alarm system
- byte-serial interface system
- cabinet system
- cabinetless system
- cable distribution system
- cable TV system
- call-accounting system
- call-answering system
- call-counting system
- call-distributing system
- call-processing system
- call-queueing system
- camp-on system
- CAPTAIN system
- car component audio system
- carrier reinsertion system
- carrier system
- carrier-communication system
- carrier-current communication system
- Cassegrain-Schmidt system
- cassette recording system
- cassette reproducing system
- CATRIN system
- caution system
- CD 900 system
- cellular system
- cellular-radio system
- central-battery system
- centralized control system
- chirp binary telegraph system
- cipher system
- circuit switched telecommunication system
- circuit switching telecommunication system
- circular telecontrol system
- clock system
- closed-circuit communication system
- closed-circuit telegraph system
- closed-numbering system
- code-dependent system
- code-division multiple access system
- code-independent system
- code-insensitive system
- code-sensitive system
- coding system
- coherent fiber-optic system
- collimating system
- collocated system
- color separating system
- combined numbering system
- combined power supply system
- combined satellite communication system
- common-battery system
- common-carrier system
- common-channel signaling system
- common-engineering communication system
- common-purpose cellular system
- common-using band system
- common-using cordless telephone system
- common-using paging system
- communication system
- communication traffic system
- communications system
- community antenna system
- community antenna television system
- community TV-system
- commununication switching system
- compact disk digital audio system
- compatible color television system
- compatible single sideband system
- compatible single-band system
- compatible TV-system
- complex radio communication system
- computer vision system
- computer-telephone system
- Comsar system
- Comsat system
- Conax system
- concentrated-insonation system
- conference system
- conference-communication system
- congested system
- congress-class system
- constant-current system
- control generating system
- conventional television system
- Conversant system
- cordless-communication system
- crossbar system
- crossed-coincident microphone system
- Crosspoint system
- CSE system
- C-system
- cubical video projecting system
- data processing system
- data system
- data transport system
- data-collection system
- data-compression system
- data-exchange system
- dataflow system
- data-gathering system
- data-handling system
- data-measuring system
- data-reduction system
- data-transmission system
- Decca Navigator system
- DECfax system
- decision-feedback system
- dedicated control channel system
- dedicated multimedia system
- delta-sigma system
- deluxe presentation system
- departmental communication system
- desktop-video system
- DFS/Copernicus system
- dial-telephone system
- differential phase shift-keying system
- differential-duplex system
- differential-magnetic system
- digital camera system
- digital hybrid-key telephone system
- digital mass storage system
- digital microwave radio transmission system
- digital telephone communication system
- digital transmission system
- digital TV-communication system
- Digital UNIX system
- digital-analog system
- digital-cellular system
- digital-data modulation system
- digital-effect system
- digital-message entry system
- digital-termination system
- direct-broadcasting satellite system
- directing system
- direct-modulation system
- direct-sequence system
- direct-telephone communication system
- discrete communication system
- discrete sound system
- discrete-addressing system
- disk-operating system
- DISOSS system
- dispatch telephone communication system
- dispatch-center system
- dispersed-insonation system
- distributed-insonation system
- distributed-processing system
- documental-type communication system
- Dolby systems
- domestic satellite communication system
- double-band telephone communication system
- double-channel transmission system
- double-current transmission system
- double-pole communication system
- double-sideband large carrier system
- DSCS system
- D-system
- dual-cable system
- dual-reflector system
- duplexed system
- Earth-to-space transmission system
- ECM system
- electric communication system
- electronic antishock system
- electronic data-gathering system
- electronic data-processing system
- electronic-message system
- electronic-scanning system
- electronic-switching system
- Ellipso system
- emergency telephone communication system
- emergency-broadcast system
- EMX system
- equidistant system
- error-correction system
- error-detection system
- Eutelsat system
- extensible system
- external paging system
- facsimile system
- fast-acting servicing system
- fault-tolerant system
- fax communication system
- fax transmitting system
- feed system
- fiber transmission system
- fiber-optic transmission system
- field-sequential system
- final mile system
- finishing system
- fire alarm system
- fire warning system
- first generation cellular system
- five-channel communication system
- fixed satellite system
- Flexcam system
- flexible access system
- Flitsatcom system
- focusing system
- four-channel sound system
- four-dimensional system
- four-wire telephone communication system
- frame-sequential system
- frequency shift-keying system
- frequency-carrier system
- frequency-control system
- front-bass reflex speaker system
- fully digital system
- gate system
- Gaussian system
- generalized system
- generating dynamic system
- generator-dc-motor system
- GIGASET radio system
- global positioning system
- Global system
- Gopher system
- grandfathered system
- group-alerting and dispatching system
- guide system
- hard-wired CCTV system
- hazard system
- helical-scan system
- HF-synchronizing system
- high-precision navigating system
- Hi-linear system
- home system
- home-telephone system
- home-type system
- homing-guidance system
- host system
- hydroacoustic system
- ideal communication system
- idealized system
- image informaion system
- image-forming system
- immedial servicing system
- incompatible system
- independent system
- information retrieval system
- information system radio system
- information system
- information-feedback system
- information-measuring system
- infrared alarm system
- Inmarsat system
- Inmarsat-A system
- Inmarsat-B system
- Inmarsat-C system
- Inmarsat-D system
- Inmarsat-M system
- Inmarsat-P system
- integrated telephone system
- integrated videographic teleconferencing system
- integrated-antenna system
- integrated-communication system
- integrated-modulation system
- integrated-office system
- Intelsat system
- interactive system
- intercarrier-sound system
- intercommunication system
- intercontinental tropospheric system
- interlock system
- intermachine exchange system
- intermediate system
- international communication system
- interphone system
- Intervision system
- intraband signaling system
- intruder alarm system
- inward-outward dialing system
- ionoscatter system
- ionosphere sounder system
- ionospheric system
- Iridium system
- isolated system
- Italsat system
- J-carrier system
- joint-multichannel trunking and switching system
- K-carrier system
- key system
- key-telephone system
- land satellite communication system
- large-grained communication system
- laser communication system
- L-band satellite system
- L-carrier system
- Leasat system
- lightning protection system
- limited distortion system
- line amplifiers system
- link system
- little-channel relay system
- local alarm system
- local battery system
- local communication system
- local radio paging system
- long-haul system
- long-range system
- loop system
- loud-speaking communication system
- low-traffic system
- magnetic tape recording system
- Mail system
- management-information system
- manual cellular system system
- manual telephone set system
- Marisat system
- master television system
- master-antenna television system
- matrix sound system
- message feedback system
- message procession system
- message registration system
- message-switched system
- meteor radio system
- Metrobus system
- micro component system
- Micro Press Cluster Printing system
- micro-lens system
- microprocessor system
- microwave relay system
- midi system
- mine radio telephone system
- mini system
- mixed media system
- mixed numbering system
- mobile cellular communication system
- mobile land communication system
- mobile radio system
- mobile relay system
- mobile system
- modulated system
- monetary mobile system
- MS-Mail system
- multiareal system
- multicassette system
- multichannel telephone system
- multicomputer system
- multidisk system
- multiformat recording system
- multifrequency tone signaling system
- multiguard system
- multilevel mixed system
- multimedia system
- multiple-channel system
- multiqueue system
- Multiscrypt system
- multistandard system
- multitrack editing system
- mutibeam antenna system
- muting system
- Nagravision system
- NAMTS system
- narrow-angle TV system
- national communication system
- navigation system
- n-channel communication system
- n-channel DPSK system
- n-channel transmission system
- network standalone system
- network system
- network-operation system
- networks numbering system
- neutral direct-current telegraph system
- n-head video system
- NMT system
- noise-reduction system
- nonhoming tuning system
- noninterlaced television system
- nonsegmented system
- Norsat system
- n-satellite system system
- n-tone DPSK system
- n-tone MFSK system
- NTSC system
- NTT system
- obligatory message system
- Odyssey system
- off-line system
- on-line computer system
- on-line secured system
- open numbering system
- open system
- operative-engineering communication system
- opposite signals system
- optical-communication system
- optical-information system
- optical-projection system
- optoelectronic system
- oscillating system
- oscillation system
- outband signaling system
- package-and-resource tracking system
- pagemaster system
- paging system
- PAL system
- parametric system
- PATHWORKS system
- pattern recognition system
- personal holding guard system
- phase shift-keying system
- phone system
- Piccolo system
- pilot-controller system
- polar direct-current telegraph system
- portable mobile system
- power control system
- power controlling system
- power-line carrier system
- power-supply system
- press-to-talk system
- Prestel system
- primary-supply system
- privacy system
- private branch paging system
- private movable system
- private videodata system
- private videotex system
- process-interface system
- PROFS system
- programmable cross-connect system
- programmable cross-connected system
- programmed radio system
- prompting system
- protected wireline distribution system
- protection system
- pseudoquadraphony system
- pseudotrunking system
- public videodata system
- public videotex system
- pulse-code system
- pulse-frequency system
- pulse-time system
- quadraphonic sound system
- quadruple-diversity system
- R1 system
- R2 system
- radio buoy system
- radio command system
- radio communication system
- Radio Data system
- radio facsimile system
- Radiocom 2000 system
- radio-control system
- radio-paging system
- radio-relay system
- radiosonde-radio-wind system
- radio-telemetering system
- real time pulse-echo system
- real time system
- receiver lockout system
- recording system
- recovery system
- redundant system
- reference-information system
- regional electronic payment system
- relay-radio system
- remote concentrating system
- remote control system
- remote diagnostic system
- remote information system
- remote semiconcentrating system
- remote sensing system
- remote signaling system
- rendering system
- rerecording system
- reserved servicing system
- RF/Transmission system
- rotary system
- safety alarm system
- safety system
- Satcom system
- satellite comminication system
- satellite marine comminication system
- Satellite Master Antenna Television system
- satellite radio system
- satellite-aircraft communication system
- SB-communication system
- SBL communication system
- scalable system
- scanning trunking system
- SCO UNIX system
- searchless identification system
- seat reservation system
- SECAM system
- second generation cellular system
- second room system
- secondary supply system
- secrecy system
- section communication system
- security system
- segmented system
- seismic system
- selective calling system
- selective frequency base station system
- selective protective system
- selective telephone system
- self-adjusting system
- self-balancing differential system
- self-contained system
- self-test system
- selsyn system
- semiautomatic-switching system
- semiautomatized cellular system
- sensory system
- servo system
- shadow-batch system
- short-haul microwave system
- Sicral system
- Sigma Servo system
- signal system
- simplex movable system
- single-band transmission system
- single-busbar system
- single-cable communication system
- single-cable system
- single-channel system
- single-current transmission system
- single-pulse tracking system
- Skynet system
- small-grained communication system
- SmarTrunk II radio communication system
- solid-state uninterruptible power battery system
- Sony bus system
- sound alarm system
- sound equalization system
- sound navigation system
- sound reinforcement system
- sound warning system
- space-division system
- space-switched system
- spark-safe system
- speaker system
- special communication system
- speech-processing system
- speech-recognition system
- split-speaker system
- spread-spectrum system
- stabilizing system
- stage monitoring system
- standalone double point system
- star-circuit system
- STAREX CMX system
- starting communication system
- start-stop system
- stationary satellite system
- step-by-step system
- stereo sound system
- stereophonic sound system
- storage system
- storage-and-retrieval system
- Strowger system
- submarine fiber-optic system
- subprimary digital transmission system
- subscriber carrier system
- subscriber switching system
- suffix system
- Supersat system
- supervisory control system
- surround sound system
- switched telecommunication system
- switching system
- sync communication system
- synchro system
- synchronous communication system
- synchronous digital system
- TAGS system
- tandem system
- tariffication system
- T-carrier system
- TDF system
- teleautomatic system
- Telecom system
- telecommunication system
- telecommunications system
- telecommunication-service priority system
- telecommunications-service priority system
- telecontrol system
- telemechanic system
- telemetering system
- telemetry system
- telephone system
- telephone-answering system
- telephone-communication system
- telephone-communications system
- teleprocessing system
- Telesat system
- teletex system
- teletypewriter system
- television-telephone system
- Tele-X system
- Telsar system
- terminal system
- terrestrial radio-relay system
- theft-prevention system
- thin-route system
- third generation communication system
- three-axle stabilizing system
- three-channel HF-telephone system
- three-channel transmission system
- three-color system
- three-lens optical system
- three-primary system
- three-wire system
- time-dissemination system
- time-frequency hopping system
- time-switched system
- total access communication system
- total area coverage system
- transmission system
- trichromatic system
- triple-interlace system
- triplex system
- trunk communication system
- TV-observation system
- twelve-channel transmission system
- two-arm system
- two-band system
- two-color system
- two-roller transfer system
- two-step control system
- two-way CATV system
- two-way system
- two-wire telephone communication system
- ultra-match system
- ULTRIX system
- unified radioaccess system
- unilateral-control system
- unilateral-synchronization system
- uninterruptible-power system
- Unisat system
- universal alarm system
- universal-battery system
- universal-electronic system
- universal-movable system
- Uniworks system
- vestigial-sideband system
- video editing system
- video home system
- video recording system
- videocom system
- videoteleconference system
- videotex system
- virtual studio system
- vision system
- vocoder system
- voice dialog system
- voice frequency carrier telegraph system
- voice modulation system
- voice post system
- volume control system
- waiting system
- warning system
- watch system
- watching system
- waterside facsimile communication system
- wave-propagating system
- wide-angle TV system
- Winfax Pro system
- wired broadcasting system
- wireless CCTV system
- wireless home system
- wireless infrared speaker system
- wire-radio communication system
- XY system
- zone-selective protection system
- zoning system

- adapter circuit
- adjustment circuit
- alive circuit
- announcing circuit
- anode circuit
- antisidetone circuit
- asynchronous circuit
- automatic reset-data circuit
- automatic ringdown circuit
- automatic start circuit
- auxiliary circuit
- balanced circuit
- balanced-wire circuit
- balancing circuit
- band-switching circuit
- basic circuit
- black-level restoring circuit
- black-level stretch circuit
- bootstrap circuit
- branch circuit
- branched circuit
- bridge antisidetone circuit
- building-out circuit
- built-up circuit
- Buttler circuit
- bypass circuit
- cached circuit
- call circuit
- capacitor-coupled circuit
- capacitor-switched circuit
- capacitor-switching circuit
- central-battery circuit
- chain-type connection circuit
- character generator large-scale integration circuit
- charge-coupled device circuit
- check parity circuit
- checkout circuit
- chrominance matrix circuit
- chrominance separation circuit
- chrominance takeoff circuit
- clamp-on circuit
- closed circuit
- coarse phasing circuit
- coaxial circuit
- coincidence circuit
- color-balance circuit
- color-indexing circuit
- color-purity circuit
- combinational-circuit circuit
- combined-supply circuit
- common-base circuit
- common-battery circuit
- common-collector circuit
- common-drain circuit
- common-emitter circuit
- common-gate circuit
- common-source circuit
- common-user circuit
- communication circuit
- comparing circuit
- compensating antisidetone circuit
- complemental metal-oxide-semiconductor circuit
- composite circuit
- conductor-bundled static wire circuit
- conference circuit
- connecting circuit
- constant-closed circuit
- contactor-relay circuit
- continental circuit
- convergence circuit
- cord circuit
- correcting circuit
- Costas circuit
- counter-coupling circuit
- counting-down circuit
- coupled circuit
- cross-bus matrix circuit
- crossed-waveguide circuit
- cue circuit
- cutoff circuit
- Darlingtone circuit
- data circuit
- data-transmission circuit
- dc restoration circuit
- decoder circuit
- delay circuit
- demodulation circuit
- dial-up circuit
- diamond circuit
- differencing circuit
- differential-frequency circuit
- digital circuit
- digital-excitation circuit
- digital-leased circuit
- diode-clamping circuit
- diode-clipping circuit
- diode-stabilitron circuit
- direct international circuit
- direct-connection circuit
- direct-transit international circuit
- direct-wire circuit
- double half-wave circuit
- double-ended cord circuit
- double-loop circuit
- dual circuit
- earth circuit
- earthed circuit
- echo-absorption circuit
- edge derivation circuit
- electric circuit
- electronic circuit
- elementary circuit
- encoding circuit
- energized circuit
- engineering circuit
- equivalent circuit
- error-subtracting circuit
- external circuit
- fallback circuit
- feed circuit
- feedback circuit
- fiber-optic circuit
- fire-control circuit
- fixed-virtual circuit
- flexible circuit
- flexible-stage circuit
- flywheel circuit
- forked circuit
- four-wire circuit
- frame scanning circuit
- frequency-changing circuit
- frequency-protection circuit
- full-accessible circuit
- full-period allocated circuit
- functional-switching circuit
- gallium-arsenide integrated circuit
- gating circuit
- generating circuit
- Gilbert circuit
- Grets circuit
- grid circuit
- ground-return circuit
- grouping circuit
- half-bridge circuit
- half-wave circuit
- hardened circuit
- head circuit
- HF-correction circuit
- holding circuit
- horizontal deflection circuit
- hybrid circuit
- hypothetical reference circuit
- idle lighting limiting circuit
- inclined adjustment circuit
- incoming circuit
- independent circuit
- inductive circuit
- input circuit
- input-by-output matrix circuit
- inquiry circuit
- integrated circuit
- integrating circuit
- interchange circuit
- interface-integrated circuit
- interferenced circuit
- interferencing circuit
- international leased circuit
- interstage coupling circuit
- invertor circuit
- ISDN echo cancellation circuit
- isochronic circuit
- Jiakoletto circuit
- junction circuit
- Karp circuit
- keep-alive circuit
- key section power circuit
- killer circuit
- ladder circuit
- lamp circuit
- large-scale integration circuit
- latched circuit
- LCR circuit
- lead changeover circuit
- LF-correction circuit
- line circuit
- linear circuit
- link circuit
- live circuit
- local circuit
- lock-in circuit
- locking circuit
- lock-out circuit
- long circuit
- long-distance circuit
- longitudinal circuit
- loop circuit
- lossless resonant circuit
- L-shaped circuit
- magnetic convergence circuit
- main supply circuit
- make circuit
- Marx circuit
- match circuit
- matching circuit
- matrix circuit
- message circuit
- microelectronic circuit
- microphone supply circuit
- multidrop circuit
- multijunctor circuit
- multiloop circuit
- multipoint circuit
- muting circuit
- neodymium magnetic circuit
- neutral circuit
- neutralization circuit
- neutralizing circuit
- noise-rejecting circuit
- noise-suicide circuit
- nonlinear circuit
- NOT circuit
- on-call circuit
- open circuit
- optoelectronic integrated circuit
- OR circuit
- order wire circuits
- OR-ELSE circuit
- oscillating circuit
- oscillation circuit
- output circuit
- output voltage tracking circuit
- packaged circuit
- paging circuit
- parallel circuit
- partially accessible circuit
- peaking circuit
- periodic closed circuit
- phantom circuit
- phase comparating circuit
- phase compensating circuit
- phase-shift circuit
- phase-substitution circuit
- physical circuit
- pilot circuit
- pilot-make-busy circuit
- planar circuit
- point-to-point circuit
- polling circuit
- polyphase circuit
- power circuit
- power-supply circuit
- precision phasing circuit
- primary circuit
- printed circuit
- private leased circuit
- protection circuit
- pulse-phase control circuit
- push-to-talk circuit
- push-to-type circuit
- quenching circuit
- quiet-tuning circuit
- radial supply circuit
- radio circuit
- RC circuit
- reactance control circuit
- reading circuit
- rectification circuit
- reference circuit
- rejecting circuit
- relay cutout circuit
- remote control circuit
- remote-ring circuit
- repeat circuit
- reset circuit
- resonance circuit
- resonant circuit
- reverse circuit
- reverse diode circuit
- ring circuit
- ringing circuit
- sample-and-hold circuit
- scaling circuit
- Scott circuit
- secondary circuit
- section substitution circuit
- selecting circuit
- selective circuit
- self-locked circuit
- series circuit
- series-oscillating circuit
- series-parallel circuit
- series-peaking circuit
- series-tuned circuit
- shaping circuit
- shaved single frequency circuit
- short circuit
- shunt circuit
- shunting circuit
- shunt-peaking circuit
- side circuit
- signal circuit
- signal processing circuit
- signal recovery circuit
- single-current circuit
- single-ended push-pull circuit
- single-frequency resonance circuit
- single-phase bridge circuit
- single-phase circuit
- snap-acting circuit
- solving circuit
- sound-program circuit
- spark-safe circuit
- speech circuit
- speed regulating circuit
- squaring circuit
- stabilizer circuit
- stable circuit
- stage circuit
- stage control circuit
- standard cable circuit
- standard circuit
- standby circuit
- stenode circuit
- storage large-scale integration circuit
- storage locking circuit
- straightforward circuit
- strap magnetic circuit
- strip-line circuit
- super large scale integration circuit
- superimposed circuit
- superposed circuit
- supply circuit
- sweep circuit
- switched circuit
- switching circuit
- symistor control circuit
- synchronous circuit
- tail circuit
- talk-back circuit
- tandem data circuit
- tank circuit
- tapped magnetic circuit
- tapped stage circuit
- telecommunication circuit
- telecommunication-protection circuit
- telegraph circuit
- telegraph grade circuit
- telegraph signal generating circuit
- telephone circuit
- telephone signal generating circuit
- telesignaling receiving circuit
- telesignaling sending circuit
- television circuit
- terminal circuit
- test circuit
- testing circuit
- third circuit
- three-loop circuit
- three-phase input circuit
- three-wire circuit
- through circuit
- thyristor control circuit
- time protection circuit
- time-delay circuit
- time-interval protection circuit
- time-setting circuit
- timing circuit
- toll circuit
- touch sensing circuit
- touch tone dial circuit
- transformer substitution circuit
- transformer-coupled circuit
- transistor clipping circuit
- transistor collector circuit
- transistor control circuit
- transistor protection circuit
- tributary circuit
- triode clamp circuit
- trunk circuit
- T-shaped circuit
- tuned circuit
- twelve-pulse circuit
- two-frequency resonance circuit
- two-loop circuit
- two-wire-ground circuit
- uniform circuit
- unstable circuit
- untapped circuit
- untapped magnetic circuit
- U-shaped circuit
- variometer controlling circuit
- video circuit
- virtual circuit
- voice circuit
- voltage multiplying circuit
- voltage sensor circuit
- watching output circuit
- wideband circuit
- wire circuit
- wired circuit