variable+frequency+control

- adjustable constant speed motor
- adjustable speed motor
- adjustable varying speed motor
- air motor
- air spindle motor
- air-bearing motor
- alternating current motor
- axial piston motor
- axis drive motor
- axis motor
- band drive motor
- blender motor
- brake motor
- brush-commutated motor
- brushless motor
- brush-type motor
- cage induction motor
- cage synchronous motor
- capacitor motor
- capacitor start and run motor
- capacitor start motor
- C-face motor
- change speed motor
- commutator motor
- compensated motor
- compositely excited motor
- compound motor
- compound-wound motor
- constant displacement motor
- constant speed motor
- control motor
- controlling motor
- coordinate drive motor
- coordinate motor
- corrector motor
- DC torque motor
- definite purpose motor
- Deri motor
- digital motor
- digital spindle motor
- direct current motor
- direct drive motor
- direct drive spindle motor
- double-acting hydraulic motor
- double-pole motor
- drill motor
- drive feed motor
- drive motor
- driving motor
- dual-field motor
- dual-winding motor
- electric feed motor
- electric torque motor
- electrohydraulic pulse motor
- electronic stepper motor
- erection torque motor
- feed air motor
- feed drive motor
- feed motor
- feed slide motor
- fixed displacement hydraulic motor
- fixed speed motor
- flange-mounted motor
- flat-sided motor
- fluid motor
- follow-up motor
- foot-mounted motor
- forward-and-reverse motor
- frameless brushless DC motor
- frequency regulated motor
- functional motor
- gear motor
- geared motor
- gear-type hydraulic motor
- general purpose motor
- grinding motor
- high-torque motor
- high-torque servo motor
- hydraulic control motor
- hydraulic cylinder motor
- hydraulic motor
- hysteresis motor
- indexing motor
- infeed motor
- integral-spindle motor
- integrated motor
- limited rotary hydraulic motor
- limited rotary pneumatic motor
- linear hydraulic motor
- linear motor
- linear pulse motor
- low-inertia high-torque motor
- low-inertia motor
- low-mass motor
- machine axis drive motor
- main drive motor
- main-spindle motor
- mill motor
- multiconstant speed motor
- multiple-acting motor
- multispeed motor
- multivarying speed motor
- nonreversing motor
- oil cooled motor
- open loop stepping motor
- orbital motor
- permanent magnet motor
- permanent split capacitor motor
- pistol grip motor
- piston motor
- piston-type limited rotary hydraulic motor
- PM motor
- PM step motor
- pneumatic motor
- pole-changing motor
- positioning motor
- positive displacement hydraulic motor
- power motor
- primary motor
- printed-circuit motor
- programmable drive motor
- programmable motor
- proportioning motor
- PWM-controlled motor
- radial drive motor
- radial piston motor
- rail traverse motor
- rapid advance motor
- reciprocating motor
- reciprocation motor
- reluctance motor
- repeater motor
- repulsion motor
- resistance start split phase motor
- reversible hydraulic motor
- reversible motor
- rotary abutment motor
- rotary diaphragm motor
- rotary hydraulic motor
- rotary motor
- rotary piston motor
- rotary pneumatic motor
- rotary vane motor
- rotodynamic hydraulic motor
- round rotor motor
- Schrage motor
- screw motor
- self-compensated motor
- self-excited motor
- self-feed drill motor
- separately excited motor
- series motor
- series-wound motor
- servo motor
- shaded pole motor
- short-circuited motor
- shunt motor
- shunt-wound motor
- sight-offset motor
- single-acting motor
- single-phase motor
- slip ring motor
- small-power motor
- special purpose motor
- speed-controlled motor
- spindle drive motor
- spindle rotation drive motor
- split phase motor
- split-series motor
- squirrel-cage induction motor
- squirrel-cage motor
- standard dimensioned motor
- starter motor
- starting motor
- steering motor
- step motor
- stepper motor
- stepping motor
- subfractional horsepower motor
- synchronous motor
- synchronous stepping motor
- three-phase motor
- thyristor-controlled motor
- thyristor-controlled servo motor
- tool head travel motor
- tool motor
- tool-indexing motor
- torque motor
- traction electric motor
- traction motor
- transistorized motor
- triple-wound motor
- two-direction hydraulic motor
- two-phase induction motor
- two-value capacitor motor
- two-winding motor
- universal motor
- valve control motor
- vane motor
- vane-type limited rotary hydraulic motor
- variable displacement hydraulic motor
- variable frequency AC motor
- variable speed motor
- varying speed motor
- vertical drive motor
- VR step motor
- washdown duty motor
- washdown motor
- watertight motor
- wound-rotor induction motor
- X-drive motor
- Y-drive motor
- Z-drive motor

- a-f oscillator
- anharmonic oscillator
- antistiction oscillator
- arc oscillator
- arc-tube relaxation oscillator
- Armstrong oscillator - audio-frequency oscillator
- autodyne oscillator
- avalanche oscillator
- avalanche-diode oscillator - Barkhausen oscillator
- Barkhausen-Kurz oscillator
- beam-plasma wave oscillator
- beat oscillator - bias oscillator
- bipolar transistor oscillator
- blocking oscillator
- bridge piezoelectric oscillator
- bulk negative resistance oscillator
- Butler oscillator
- capacitance-resistance oscillator
- carrier insertion oscillator
- cathode-follower oscillator
- cavity oscillator
- chroma oscillator
- chrominance-subcarrier oscillator
- Clapp oscillator
- code-practice oscillator - color subcarrier oscillator
- Colpitts oscillator
- continuous-wave oscillator - cw oscillator
- degenerate parametric oscillator
- degenerate-type parametric oscillator - digital-control oscillator
- digital delay oscillator
- double-local oscillator
- double-transit oscillator
- Dow oscillator
- driven blocking oscillator
- driving oscillator
- Duffing oscillator
- dynatron oscillator - electron-tube oscillator
- erase oscillator
- extended-interaction oscillator
- Fabry-Perot maser oscillator
- fast cyclotron-wave oscillator
- feedback oscillator
- fixed-frequency oscillator
- fork oscillator
- free-running oscillator - frequency-sensitive oscillator
- frequency-swept oscillator
- ganging oscillator
- garnet-tuned oscillator
- gas-tube relaxation oscillator
- grid-dip oscillator
- grid-pulsing oscillator
- Gunn oscillator
- Gunn-diode oscillator
- Gunn-effect oscillator
- harmonic oscillator
- harmonic-locked oscillator
- Hartley oscillator
- helitron oscillator
- Hertzian oscillator
- heterodyne oscillator - impact-avalanche transit-time diode oscillator
- IMPATT oscillator
- impulse oscillator
- induced-degeneration blocking oscillator
- inductance-capacitance oscillator
- injected-beam backward-wave oscillator
- injection-driven oscillator
- injection-locked oscillator
- integral-cavity reflex-klystron oscillator
- Josephson oscillator
- kallitron oscillator
- keep-alive oscillator - laser oscillator
- LC oscillator
- Lecher oscillator
- Lecher-wire oscillator
- lighthouse-tube oscillator
- limited space-charge accumulation oscillator
- linear oscillator
- linear time-base oscillator
- line stabilized oscillator
- local oscillator
- locked oscillator
- locked-in oscillator
- LSA oscillator
- magnetostriction oscillator
- magnetostrictive oscillator
- magnetron oscillator
- maser oscillator
- master oscillator
- Meacham bridge oscillator
- Meissner oscillator
- microwave oscillator
- Miller oscillator
- modulated oscillator
- molecular oscillator
- monotron oscillator
- M-type backward-wave oscillator
- multifrequency oscillator
- multivibrator oscillator
- negative-resistance oscillator
- negative-transconductance oscillator
- nonsinusoidal oscillator
- number-controlled oscillator - parametric phase-locked oscillator - phase-shift oscillator
- phase-stabilized oscillator
- Pierce oscillator
- piezoelectric oscillator
- pilot oscillator
- plasma oscillator
- positive-grid oscillator
- pulse oscillator - quartz-crystal oscillator
- quartz-crystal-controlled oscillator
- quartz-locked oscillator
- quench oscillator
- quenched-mode Gunn oscillator
- RC oscillator
- Read-diode oscillator
- reentrant oscillator
- reference oscillator
- reflection oscillator
- reflex-klystron oscillator
- regenerative oscillator
- relaxation oscillator
- repeller-type oscillator
- resistance-capacitance oscillator
- resonant-line oscillator
- retarding-field oscillator
- RF oscillator
- ring oscillator
- ringing oscillator
- rugged oscillator
- sawtooth oscillator
- self-excited oscillator
- self-mixing oscillator
- self-quenching oscillator
- series-tuned oscillator
- service oscillator
- shunt-tuned oscillator
- sine-wave oscillator
- single-mode oscillator
- single-shot blocking oscillator
- single-wave oscillator
- spark-gap oscillator
- spin oscillator
- square-wave oscillator
- squegging oscillator - sweep oscillator
- synchronized oscillator
- temperature compensated oscillator
- test oscillator
- tetrode oscillator
- timing-axis oscillator - transitron oscillator
- TRAPATT oscillator
- trapped plasma avalanche transit-time oscillator - tunable oscillator
- tuned-anode oscillator
- tuned-base oscillator
- tuned-collector oscillator
- tuned-grid oscillator
- tuned-input oscillator
- tuned-output oscillator
- tuned-plate oscillator
- ultra-audion oscillator - varactor-modulated crystal oscillator - Xtal oscillator
- YIG-tuned tunnel-diode oscillator

- a-f oscillator
- anharmonic oscillator
- antistiction oscillator
- arc oscillator
- arc-tube relaxation oscillator
- Armstrong oscillator
- astable blocking oscillator
- audio oscillator
- audio-frequency oscillator
- autodyne oscillator
- avalanche oscillator
- avalanche-diode oscillator
- backward-wave oscillator
- balanced oscillator
- Barkhausen oscillator
- Barkhausen-Kurz oscillator
- beam-plasma wave oscillator
- beat oscillator
- beat-frequency oscillator
- beating oscillator
- bias oscillator
- bipolar transistor oscillator
- blocking oscillator
- bridge piezoelectric oscillator
- bulk negative resistance oscillator
- Butler oscillator
- capacitance-resistance oscillator
- carrier insertion oscillator
- cathode-follower oscillator
- cavity oscillator
- chroma oscillator
- chrominance-subcarrier oscillator
- Clapp oscillator
- code-practice oscillator
- coherent oscillator
- color oscillator
- color subcarrier oscillator
- Colpitts oscillator
- continuous-wave oscillator
- crystal oscillator
- crystal-controlled oscillator
- cw oscillator
- degenerate parametric oscillator
- degenerate-type parametric oscillator
- delayed pulse oscillator
- dielectric resonator oscillator
- digital delay oscillator
- digital-control oscillator
- double-local oscillator
- double-transit oscillator
- Dow oscillator
- driven blocking oscillator
- driving oscillator
- Duffing oscillator
- dynatron oscillator
- electron-coupled oscillator
- electronically tunable oscillator
- electron-tube oscillator
- erase oscillator
- extended-interaction oscillator
- Fabry-Perot maser oscillator
- fast cyclotron-wave oscillator
- feedback oscillator
- fixed-frequency oscillator
- fork oscillator
- free-running oscillator
- frequency multiplier oscillator
- frequency-pulling oscillator
- frequency-sensitive oscillator
- frequency-swept oscillator
- ganging oscillator
- garnet-tuned oscillator
- gas-tube relaxation oscillator
- grid-dip oscillator
- grid-pulsing oscillator
- Gunn oscillator
- Gunn-diode oscillator
- Gunn-effect oscillator
- harmonic oscillator
- harmonic-locked oscillator
- Hartley oscillator
- helitron oscillator
- Hertzian oscillator
- heterodyne oscillator
- high-frequency oscillator
- impact-avalanche transit-time diode oscillator
- impact-avalanche transit-time oscillator
- IMPATT oscillator
- impulse oscillator
- induced-degeneration blocking oscillator
- inductance-capacitance oscillator
- injected-beam backward-wave oscillator
- injection-driven oscillator
- injection-locked oscillator
- integral-cavity reflex-klystron oscillator
- Josephson oscillator
- kallitron oscillator
- keep-alive oscillator
- klystron oscillator
- labile oscillator
- laser oscillator
- LC oscillator
- Lecher oscillator
- Lecher-wire oscillator
- lighthouse-tube oscillator
- limited space-charge accumulation oscillator
- line stabilized oscillator
- linear oscillator
- linear time-base oscillator
- local oscillator
- locked oscillator
- locked-in oscillator
- LSA oscillator
- magnetostriction oscillator
- magnetostrictive oscillator
- magnetron oscillator
- maser oscillator
- master oscillator
- Meacham bridge oscillator
- Meissner oscillator
- microwave oscillator
- Miller oscillator
- modulated oscillator
- molecular oscillator
- monotron oscillator
- M-type backward-wave oscillator
- multifrequency oscillator
- multivibrator oscillator
- negative-resistance oscillator
- negative-transconductance oscillator
- nonsinusoidal oscillator
- number-controlled oscillator
- optical parametric oscillator
- O-type backward-wave oscillator
- oven-controlled crystal oscillator
- parametric oscillator
- parametric phase-locked oscillator
- phase-locked oscillator
- phase-locked subharmonic oscillator
- phase-shift oscillator
- phase-stabilized oscillator
- Pierce oscillator
- piezoelectric oscillator
- pilot oscillator
- plasma oscillator
- positive-grid oscillator
- pulse oscillator
- pulsed avalanche oscillator
- pulsed avalanche-diode oscillator
- push-pull oscillator
- quartz-crystal oscillator
- quartz-crystal-controlled oscillator
- quartz-locked oscillator
- quench oscillator
- quenched-mode Gunn oscillator
- RC oscillator
- Read-diode oscillator
- reentrant oscillator
- reference oscillator
- reflection oscillator
- reflex-klystron oscillator
- regenerative oscillator
- relaxation oscillator
- repeller-type oscillator
- resistance-capacitance oscillator
- resonant-line oscillator
- retarding-field oscillator
- RF oscillator
- ring oscillator
- ringing oscillator
- rugged oscillator
- sawtooth oscillator
- self-excited oscillator
- self-mixing oscillator
- self-quenching oscillator
- series-tuned oscillator
- service oscillator
- shunt-tuned oscillator
- sine-wave oscillator
- single-mode oscillator
- single-shot blocking oscillator
- single-wave oscillator
- spark-gap oscillator
- spin oscillator
- square-wave oscillator
- squegging oscillator
- stabilized local oscillator
- subcarrier oscillator
- superconducting-cavity stabilized oscillator
- surface-acoustic-wave oscillator
- sweep oscillator
- synchronized oscillator
- temperature compensated oscillator
- test oscillator
- tetrode oscillator
- timing-axis oscillator
- transferred-electron oscillator
- transistor oscillator
- transitron oscillator
- TRAPATT oscillator
- trapped plasma avalanche transit-time oscillator
- traveling-wave oscillator
- tri-tet oscillator
- tunable oscillator
- tuned-anode oscillator
- tuned-base oscillator
- tuned-collector oscillator
- tuned-grid oscillator
- tuned-input oscillator
- tuned-output oscillator
- tuned-plate oscillator
- ultra-audion oscillator
- unijunction transistor oscillator
- unlocked driven oscillators
- vacuum-tube oscillator
- Van der Pol oscillator
- varactor-modulated crystal oscillator
- variable reactance oscillator
- variable-frequency oscillator
- velocity-modulated oscillator
- voltage-controlled crystal oscillator
- voltage-controlled oscillator
- Wien-bridge oscillator
- Xtal oscillator
- YIG-tuned tunnel-diode oscillator

- 50 INT spindle
- AC acting spindle
- AC spindle
- AC variable frequency spindle
- adapter spindle
- add-on spindle
- adjusting spindle
- air-bearing spindle
- air-operated spindle
- angularly offset spindle
- articulated spindle
- attachment spindle
- automatic locking spindle
- automatic shank spindle
- automatic swivel spindle
- auxiliary spindle
- axle spindle
- back end working spindle
- back spindle
- back turning spindle
- backwork spindle
- ball-bearing spindle
- bar spindle
- bar-type spindle
- belt spindle
- belted spindle
- BODTM spindle
- bored spindle
- boring spindle
- brake spindle
- C axis spindle
- cartridge motorized spindle
- cartridge spindle
- cartridge-type motorized spindle
- cartridge-type spindle
- center facing spindle
- centering spindle
- ceramic ball-bearing spindle
- chuck spindle
- coarse-thread spindle
- collet spindle
- collet-chucking spindle
- control spindle
- copy spindle
- counter headstock spindle
- counterboring spindle
- cross spindle
- cutter spindle
- cutting spindle
- DC acting spindle
- DC spindle
- dead spindle
- diamond grinding spindle
- diamond spindle
- double sliding spindle
- dressing spindle
- drill spindle
- drilling spindle
- drive spindle
- dual spindles
- electric high-speed spindle
- electric spindle
- electrical spindle
- face grinding spindle
- facing spindle
- fast-tool-swapping spindle
- feed spindle
- feed-out spindle
- fine-tuned spindle
- finish milling spindle
- fixed spindle
- flooded coolant spindle
- footstock spindle
- force-sensing spindle
- front spindle
- gang spindle
- grease-packed spindle
- grinding spindle
- grinding wheel spindle
- ground spindle
- guide spindle
- HF spindle
- high-frequency internal grinding spindle
- high-frequency spindle
- high-speed spindle
- high-torque spindle
- hollow bore spindle
- hollow spindle
- hollow-shank spindle
- hydrostatic spindle
- hydrostatically controlled spindle
- inclinable spindle
- index spindle
- indexable spindle
- index-head spindle
- induced coolant spindle
- integral-motor spindle
- intermediate spindle
- internal grinding spindle
- internal hole grinding spindle
- ISO 30 spindle
- ISO 40 spindle
- ISO 50 spindle
- knuckle spindle
- lathe spindle
- lifting spindle
- limited rotation spindle
- linearly moving spindle
- liquid-cooled spindle
- live spindle
- main spindle
- mill spindle
- milling spindle
- milling, drilling and boring spindle
- motor spindle
- motorized spindle
- nutating spindle
- oil turbine spindle
- opposite spindle
- output spindle
- pick-off spindle
- pick-up spindle
- planetary spindle
- pneumatic spindle
- preload ball-bearing spindle
- programmable speed spindle
- pump spindle
- quill spindle
- quill-mounted spindle
- ram-type spindle
- rear spindle
- refrigerated spindle
- right-angle spindle
- roller bearing spindle
- rotary axis controlled spindle
- rough milling spindle
- router spindle
- routing spindle
- screw spindle
- screwed spindle
- second pick-up spindle
- second right hand spindle
- secondary spindle
- second-op spindle
- sliding head spindle
- sliding spindle
- smooth-running spindle
- speeding spindle
- splined spindle
- steep-taper spindle
- subsidiary spindle
- support spindle
- surfacing wheel spindle
- suspension spindle
- swing spindle
- swing-away spindle
- synchronous pick-off spindle
- tailstock spindle
- taper shank spindle
- tapered spindle
- tapping spindle
- telescopic spindle
- temperature-controlled spindle
- test spindle
- threaded spindle
- three-range spindle
- tiltable spindle
- tilting cutter spindle
- tilting work spindle
- tool spindle
- tool-carrying spindle
- toolhead spindle
- tool-holding spindle
- torsionally overloaded spindle
- touch sensor spindle
- tracer spindle
- transfer spindle
- traversing spindle
- turbine-powered spindle
- turning spindle
- turret spindle
- twin-motor spindle
- two-range spindle
- valve spindle
- variable frequency controlled spindle
- variable-frequency spindle
- vertical live spindle
- vertical quill spindle
- vertical to horizontal spindle
- wheel spindle
- wide-band spindle
- wind-up spindle
- work spindle
- work-carrying spindle
- workhead spindle
- work-receiving spindle
- work-supporting spindle

- acoustic generator
- alarm generator
- alternating-electromotive generator
- arbitrary-waveform generator
- artificial-traffic generator
- associated-signaling generator
- asynchronous generator
- audible-frequency generator
- auxiliary generator
- auxiliary-code generator
- auxiliary-text generator
- background generator
- bar generator
- bell-shaped generator
- blocking generator
- bootstrap generator
- call generator
- calling signals generator
- camertone generator
- carrier frequency generator
- character generator
- check symbol generator
- chemical generator
- clock generator
- clock-pulse generator
- clock-signal generator
- code-pulse generator
- coherent generator
- color background generator
- color component generator
- color difference signal generator
- compound signal generator
- compound-excited generator
- control voltage generator
- crosshatch generator
- crystal harmonic generator
- data generator
- digital-delay generator
- diphase generator
- Dobrowolsky generator
- double-current generator
- dual-tone generator
- effects generator
- electron-beam generator
- electronic-beam generator
- electron-tube generator
- electrostatic generator
- emergency generator
- equivalent generator
- erasing-current generator
- external-excited generator
- frame-sweep generator
- frequency generator
- frequency-keyed generator
- function generator
- functional generator
- gate generator
- gate-pulse generator
- gaussian-noise generator
- general-purpose function generator
- graphic generator
- Hall generator
- hand generator
- harmonic generator
- Hartmann generator
- heteropolar generator
- high-frequency generator
- homopolar generator
- horizontal-sweep generator
- ideal generator
- idealized generator
- impulse generator
- input/output generator
- klystron generator
- laser image generator
- linear-sweep generator
- line-sweep generator
- line-up tone generator
- load generator
- loaded generator
- look-ahead generator
- look-back generator
- magnetoelectric generator
- magnetrone generator
- marker generator
- master-frequency generator
- microwave generator
- monitoring-pulse generator
- multidipole generator
- multifield generator
- multiplexer-timing generator
- noise generator
- n-stage generator
- optical-quantum generator
- padded generator
- parallel-excited generator
- pattern generator
- phase generator
- photocell generator
- polyphase synchronous generator
- power generator
- probe pulse generator
- probing pulse generator
- pseudorandom number generator
- pulse generator
- quartz crystal-controlled generator
- quasi-random code generator
- radio-frequency generator
- random noise generator
- random number generator
- RC-generator
- rectangular pulse generator
- reference generator
- reference voltage generator
- relaxation generator
- report generator
- resonance generator
- resonant generator
- RF generator
- ringing generator
- Rosenberg crossed-field generator
- rotary pulse generator
- sawtooth generator
- screen generator
- self-contained generator
- selsyn generator
- series-excited generator
- shading generator
- signal distortion generator
- signal generator
- signaling generator
- slice voltage generator
- spark-gap generator
- speech generator
- spike generator
- square wave generator
- stable current generator
- standard-frequency generator
- standard-voltage generator
- statistic generator
- step-function generator
- strength current pulse generator
- subcarrier generator
- sweep generator
- swept frequency generator
- sync generator
- synchronizing generator
- teletext generator
- test generator
- tetrode generator
- thermal electronic generator
- thermal emission generator
- thermal ionic generator
- thermal photoelectric generator
- thyristor generator
- time-base generator
- time-code generator
- title generator
- tone generator
- transistor generator
- triangular generator
- triggered generator
- triode generator
- tube generator
- ultrasound generator
- unified generator
- unipolar generator
- USW generator
- variable frequency generator
- vertical sweep generator
- video character generator
- video generator
- voltage generator
- voltage-controlled generator
- waiting generator
- warning signal generator
- wave-form generator
- white noise generator
- word generator

- administrative-economic communication
- advanced shipboard communication
- aerial communication
- aeronautical communications
- air steward-to-air steward telephone communication
- airborne SHF-communication
- airborne-to-Earth communication
- aircraft communication
- air-to-air communication
- air-to-air voice communication
- air-to-ground electric communication
- Airways and Air communications
- all-mine telephone communication
- analog tropospheric communication
- analog-to-digital communication
- annunciating communication
- antenna communication
- asynchronous communication
- audio-conference communication
- audio-visual communication
- auroral long-distance communication
- automatic trunk communication
- auxiliary communication
- babyphone communication
- basic communication
- bathysphere-to-carrier-ship communication
- bidirectional communication
- binary-synchronous communication
- boat emergency communications
- both-way simultaneous communication
- branch telephone communication
- broadcast communication
- carrier-current communication
- car-to-car communication
- coastal center-to-coastal center communication
- code-independent data communication
- coherent-light communication
- combine wall communication
- command-telephone communication
- common-service communication
- common-using telegraph communication
- common-using telephone communication
- component triaxial communication
- computerized communication
- computer-to-computer communication
- conductor-to-departure responsible communication
- conference communication
- confidential special radio communication
- contact network communication
- contactless HF-communication
- contingency communication
- continuous communication
- control communication
- data communication
- data-transmission communication
- departmental engineering communication
- departmental telegraph communication
- digital communication
- digital-speech communication
- direct communication
- direct-pair communication
- direct-telephone communication
- disaster communication
- dispatch communication
- display communication
- distress communication
- district-by-district communication
- diversity communication
- diver-to-diver communication
- diving-service communication
- document electric communication
- documental conference communication
- duplex communication
- duplex radiotelephone communication
- Earth-to-airborne communication
- Earth-to-satellite communication
- Earth-to-space-to-Earth communication
- either-way communication
- electrical communication
- electromagnetic communication
- electronic communication
- emergency communication
- emergency ship radio communication
- enciphered-facsimile communication
- engineering station communication
- engineering-telephone communication
- everyone-to-everyone communication
- face communication
- fast-acting telephone communication
- fire-place communication
- fixed aeronautical communication
- fixed-electric communication
- fleet communication
- frequency-hop communication
- gateway-to-gateway communication
- ground-line communication
- group engineering communication
- half-duplex communication
- harmonic communication
- H-carrier communication
- HF-communication
- high-speed mobile communication
- house-car communication
- hydroacoustic communication
- incoming communication
- inductive mines communication
- industrial communication
- industrial-automatic communication
- industrial-engineering communication
- in-plant communication
- interaction communication
- interpaging communication
- interstation communication
- interstellar communication
- intersystem communication
- intraairplane telephone communication
- intrabasin selector communication
- intrabasin telegraph communication
- intrabasin telephone communication
- intrairport communication
- intraship communication
- intratrain telephone communication
- irregular communication
- isochronous communication
- land mobile communication
- land-to-space communication
- letter-printing communication
- lighting wire communication
- line communication
- line-path communication
- line-track telephone communication
- littoral radiotelephone communication
- local common service communication
- local engineering communication
- local telephone communication
- long-haul communication
- long-haul fiber-optical communication
- long-haul telephone communication
- loud-speaking communication
- main conference communication
- main engineering communication
- main radio communication
- manoeuvre radio communication
- man-to-machine communication
- marine communication
- marine facsimile communication
- meteor-burst communication
- meteoric-ionospheric communication
- microwave communication
- militarized guard communication
- mobile aeronautical communication
- mobile communication
- moon-bounce communication
- moorage-by-moorage communication
- movable communication
- MT administration-to-road communication
- multicast communication
- multichannel communication
- multimedia communication
- multiple channel class A communication
- multiple channel class B communication
- multiple channel class C communication
- multiple channel system radio communication
- multipoint communication
- navigating-service communication
- n-way communication
- office communication
- operative communication
- operative-dispatch communication
- operative-managing communication
- operative-repairing communication
- operator-to-train mobile communication
- oral communication
- outgoing communication
- packet communication
- passband data communication
- passenger-to-locomotive driver communication
- passenger-to-policemen communication
- phase-locked communication
- phototelegraph communication
- pilot-to-steward telephone communication
- plane-to-plane communication
- platform announcing communication
- platform radio communication
- platform-to-train mobile communication
- point-to-point communication
- power dispatch communication
- power line communication
- private bypass communication
- private-branch communication
- private-branch industrial communication
- pulse communication
- radial communication
- radial-aerial USB-communication
- radio link communication
- radio relay communication
- radio searching communication
- radiotelephone communication
- railway telephone communication
- real-time communication
- recording communication
- regional communication
- regular communication
- remote reference communication
- road communication
- road engineering communication
- road managing communication
- road power dispatch communication
- road service dispatch communication
- road servicing communication
- road telegraph communication
- rural communication
- safety communication
- satellite marine communication
- satellite-to-Earth communication
- satellite-to-satellite communication
- SB communication
- secure communication
- selector communication
- service communication
- service dispatch communication
- service section communication
- SHF-wave communication
- ship coastal facsimile communication
- ship-driver-to-ship-driver communication
- ship-radio communication
- ship-telephone communication
- ship-to-ship communication
- ship-to-spacecraft communication
- ship-to-submarine communication
- shore-to-ship communication
- short-band communication
- simplex communication
- simplex single-frequency communication
- simplex stripping communication
- simplex two-frequency communication
- single-channel communication
- single-frequency radio communication
- single-hop communication
- single-side loudspeaking communication
- sky-wave communication
- slope telephone communication
- sonic communication
- space communication
- space laser communication
- spacecraft-to-subscriber communication
- space-to-space communication
- special communication
- speech communication
- static-wire communication
- station communication
- station inductive communication
- station mobile communication
- station-by-station telephone communication
- station-radio communication
- steering cab-to-captain's cab communication
- steering cab-to-power dispatchboard communication
- steering cab-to-tiller compartment communication
- submarine laser communication
- submarine sound communication
- submarine TV-communication
- submarine-to-satellite communication
- submarine-to-submarine communication
- subscriber-to-workgroup communication
- switch point communication
- synchronous communication
- telegraphic communication
- telegraphic-telephone radio communication
- telephonist-to-diver communication
- telex communication
- ticket-dispatch communication
- time-bill communication
- train dispatch communication
- train inductive communication
- train radio communication
- train radiotelephone communication
- train radiowire telephone communication
- train-interstation communication
- train-master-to-station-master assistant communication
- train-master-to-train team communication
- train-to-movable object communication
- train-to-train radio communication
- transport police communication
- tropospheric communication
- tropospheric-scutter communication
- trunk communication
- tunnel train radio communication
- twilight scutter communication
- two-frequency radio communication
- two-side loudspeaking communication
- two-way alternative communication
- two-way simultaneous communication
- ultrasonic communication
- ultraviolet communication
- underground communication
- undersea optical communication
- underwater communication
- unwired earth current communication
- USB-communication
- variable frequency sync communication
- vehicle-to-vehicle communication
- videoconference communication
- videotelephone communication
- voice communication
- wagon-to-wagon mobile communication
- wall communication
- waterside communications
- waterside USB-communication
- wave conducting communication
- wire port communication
- wire radio communication
- wire telephone communication
- workgroup-to-workgroup communication
- world-wide telephone communication

- biasing resistor
- calibration resistor
- continuously variable resistor
- control resistor
- end-of-line resistor
- fusible resistor
- high-frequency resistor
- instrument resistor
- light resistor
- pot resistor
- preset resistor
- programmable decade resistor
- regulating resistor
- semifixed resistor
- time-varying resistor
- trimmer resistor
- variable resistor

- accumulating amplifier
- acoustic amplifier
- acoustic-wave amplifier
- acoustoelectric amplifier
- acoustoelectronic amplifier
- AGC amplifier
- all-purpose amplifier
- all-pass amplifier
- anticoincidence amplifier
- aperiodic amplifier
- audio amplifier
- audio-frequency amplifier
- automatic gain control amplifier - backward-wave power amplifier
- backward-wave tube amplifier
- balanced amplifier
- bandpass amplifier
- baseband amplifier
- bass amplifier
- beam-injection magnetron amplifier
- beam-plasma amplifier
- beam-type parametric amplifier
- biased pulse amplifier
- bidirectional amplifier
- bi-FET operational amplifier
- bilateral amplifier
- bipolar amplifier
- bipolar-field-effect transistor operational amplifier
- booster amplifier
- bootstrap amplifier
- bridge amplifier
- bridge magnetic amplifier
- bridging amplifier
- broadband amplifier
- buffer amplifier
- bulk-wave amplifier
- burst amplifier
- camera amplifier
- cancellation amplifier
- capacitance-coupled amplifier
- capacitive-differentiation amplifier
- capacitive-integration amplifier
- capacitor transmitter amplifier
- carries-type dc amplifier
- cascade amplifier
- cascade-controlled attenuation amplifier
- cascode amplifier
- cathode-coupled amplifier
- cathode-follower amplifier
- cathode-input amplifier
- CATV line amplifier
- cavity-type amplifier
- ceramic amplifier
- charge amplifier
- chemical amplifier
- choke-coupled amplifier
- chopper amplifier
- chopper-stabilized amplifier
- chroma amplifier
- chroma bandpass amplifier
- chrominance amplifier
- circlotron amplifier
- circular-type magnetron amplifier
- circulator-coupled amplifier
- clamped amplifier
- class-A amplifier
- class-AB amplifier
- class-B amplifier
- class-C amplifier
- class-D amplifier
- clipper amplifier
- clipping amplifier
- coaxial amplifier
- coherent light amplifier
- coincidence amplifier
- cold-cathode amplifier
- color-burst amplifier
- combining amplifier
- common-base amplifier
- common-collector amplifier
- common-drain amplifier
- common-emitter amplifier
- common-gate amplifier
- common-source amplifier
- community antenna television line amplifier
- compensated amplifier
- complementary symmetry amplifier
- complementary transistor amplifier
- complementing amplifier
- contact-modulated amplifier
- control amplifier
- cooled parametric amplifier
- coupling amplifier
- crossed-field amplifier
- crossed-field waveguide coupled amplifier
- cryogenic amplifier
- cryotron amplifier
- current amplifier
- cyclotron-wave amplifier
- Darlington amplifier
- data amplifier
- dc amplifier
- dc restoration amplifier
- deflection amplifier
- degenerate parametric amplifier
- degenerative amplifier
- dielectric amplifier
- difference amplifier
- difference-frequency parametric amplifier
- differential amplifier
- differential-input amplifier
- differentiating amplifier
- differentiation amplifier
- digitally controlled amplifier
- digitally programmed amplifier
- diode amplifier
- direct-coupled amplifier
- direct-inductive coupling amplifier
- directional amplifier
- direct resistance-coupled amplifier
- discontinuous amplifier
- distributed amplifier
- distributing amplifier
- distribution amplifier
- Doherty amplifier
- double-detection amplifier
- double-ended amplifier - double-sided amplifier
- double-stream amplifier
- double-tuned amplifier
- drift-corrected amplifier
- drift-free amplifier
- drift-stabilized amplifier
- driver amplifier
- dual-channel amplifier
- duo-directional amplifier
- duplex amplifier
- dye-laser amplifier
- dynamoelectric amplifier
- EBS amplifier
- echo amplifier
- echo unit amplifier
- elastic-wave amplifier
- electric organ amplifier
- electrochemical amplifier
- electromagnetic ferrite amplifier
- electrometric amplifier
- electron-beam amplifier - electronic amplifier
- electronically tunable amplifier
- electron-tube amplifier
- EM ferrite amplifier
- emitter-follower amplifier
- erase amplifier
- error amplifier
- exponential amplifier
- extender amplifier
- Fabry-Perot amplifier
- fader amplifier
- fast amplifier
- fast cyclotron-wave amplifier
- feedback amplifier
- feedback-stabilized amplifier
- ferrimagnetic amplifier
- ferrite amplifier
- ferroelectric parametric amplifier
- ferromagnetic amplifier
- ferroresonant magnetic amplifier
- field amplifier
- filter amplifier
- final amplifier
- fixed-gain amplifier
- fixed-tuned amplifier
- flat-gain amplifier
- floating paraphase amplifier
- floating-point amplifier
- fluid amplifier
- folded amplifier
- follow-up amplifier
- forward-wave amplifier
- four-frequency reactance amplifier
- frame amplifier
- frequency-elimination amplifier
- frequency-miltiplier amplifier
- frequency-rejection amplifier
- frequency-selective amplifier
- front amplifier
- front-end amplifier
- gain-adjusting amplifier
- gain-controlled amplifier
- gain-programmable amplifier
- gain-stabilized amplifier
- gain-switching amplifier
- gamma amplifier
- gate amplifier
- gated amplifier
- gate-pulse amplifier
- gating amplifier
- general-purpose amplifier
- Goto twin-pair amplifier
- grid-modulated amplifier
- grounded-anode amplifier
- grounded-base amplifier
- grounded-cathode amplifier
- grounded-cathode grounded-grid amplifier
- grounded-collector amplifier
- grounded-drain amplifier
- grounded-emitter amplifier
- grounded-gate amplifier
- grounded-grid amplifier
- grounded-plate amplifier
- grounded-source amplifier
- guitar amplifier
- Gunn amplifier
- Gunn diode amplifier
- half-wave push-pull magnetic amplifier
- harmonic magnetic amplifier
- head amplifier
- head-end amplifier - heterodyne amplifier
- Hi-Fi amplifier - hybrid amplifier
- hydraulic amplifier
- IC amplifier
- image amplifier
- image-rejecting intermediate frequency amplifier
- IMPATT amplifier
- impedance-capacitance coupled amplifier
- inductance amplifier
- inductively coupled amplifier - instrumentation amplifier
- integrated circuit amplifier
- integrating amplifier
- intensity amplifier
- intermediate amplifier
- intermediate-frequency amplifier
- intermediate power amplifier
- intervening amplifier
- inverted amplifier
- inverting amplifier
- isolated amplifier
- isolating amplifier
- isolation amplifier
- iterative amplifier
- Josephson-junction amplifier
- K-amplifier - launch amplifier
- law amplifier
- level amplifier
- light amplifier
- lighthouse-tube amplifier
- limited-gain amplifier
- limiting amplifier
- line amplifier
- linear amplifier - lin-log amplifier
- lock-in amplifier
- log amplifier - lower sideband parametric amplifier
- low-frequency amplifier
- low-noise amplifier
- low-power amplifier
- luminance amplifier - magnetic-recording amplifier
- magnetic-reproducing amplifier
- magnetoelastic-wave amplifier
- magnetoresistive amplifier
- magnetostatic ferrite amplifier
- magnetostatic-wave amplifier
- magnetron amplifier
- main amplifier
- maser amplifier - matching amplifier
- M-D amplifier - mid-range amplifier
- Miller integrator amplifier
- millimeter-wave amplifier
- mixing amplifier
- modified semistatic ferrite amplifier
- modulated amplifier
- modulating amplifier by variable reactance
- modulation-demodulation amplifier
- molecular microwave amplifier
- monitor amplifier
- mono amplifier
- monolithic amplifier
- MS ferrite amplifier
- MSS ferrite amplifier
- M-type amplifier
- multiaperture-core magnetic amplifier
- multicavity-klystron amplifier
- multiple-loop feedback amplifier
- multistage amplifier
- nanosecond pulse amplifier
- narrow-band amplifier
- negative-conductance amplifier
- negative-effective-mass amplifier
- negative-feedback amplifier
- negative-resistance amplifier
- negative-resistance parametric amplifier
- neodymium amplifier
- neutralized amplifier
- noise-immune amplifier
- noiseless amplifier
- noise-suppression amplifier
- noisy amplifier
- noncomplementing amplifier
- nondegenerate parametric amplifier
- noninverting amplifier
- nonlinear amplifier
- nonlinear-susceptance amplifier
- nonreciprocal amplifier
- nonreentrant crossed-field forward wave amplifier
- off-chip amplifier
- on-chip amplifier
- one-chip amplifier
- one-port amplifier
- one-way amplifier - optical feedback amplifier
- optical fiber laser amplifier
- optoelectronic amplifier
- output amplifier
- overdriven amplifier
- overstaggered amplifier
- PA amplifier
- packaged amplifier
- paging amplifier
- panoramic amplifier
- parallel-feed amplifier
- paramagnetic amplifier - paraphase amplifier
- peaked amplifier
- peak-limiting amplifier
- pentriode amplifier
- periodically distributed amplifier
- phase-coherent degenerate amplifier
- phase-linear amplifier
- phase-preserving amplifier
- phase-sensitive amplifier
- phase-splitting amplifier
- phase-tolerant amplifier
- phonon parametric amplifier
- photocurrent amplifier
- photodiode parametric amplifier
- photoparametric amplifier
- piezoelectric-semiconductor ultrasonic amplifier
- pilot amplifier
- plasma amplifier
- playback amplifier
- plate-modulated amplifier
- plug-in amplifier
- polarity-inverting amplifier
- positive-feedback amplifier
- power amplifier
- power-video amplifier
- prime amplifier
- printed-circuit amplifier
- processing amplifier
- program amplifier
- programmable-gain amplifier
- proportional amplifier
- public-address amplifier
- pulse amplifier
- pulse distribution amplifier
- pulse-pumped parametric amplifier
- push-pull amplifier
- push-pull-parallel amplifier
- push-push amplifier
- quadrature amplifier
- quadrupole amplifier
- quantum amplifier
- quantum-mechanical amplifier
- quasi-degenerate parametric amplifier
- quiescent push-pull amplifier - Rayleigh-wave amplifier
- RC amplifier
- reactance amplifier
- read amplifier
- reading amplifier
- reading-writing amplifier
- receiving amplifier
- reciprocal amplifier
- recording amplifier
- reentrant-beam crossed-field amplifier
- reference amplifier
- reflection-type parametric amplifier
- reflex amplifier
- refrigerated parametric amplifier
- regenerative amplifier
- Regulex amplifier
- repeating amplifier
- reset amplifier
- resistance-capacitance-coupled amplifier
- resistance-coupled amplifier
- resistive-wall amplifier
- resonance amplifier
- resonant amplifier
- response selection amplifier
- reversed-feedback amplifier
- ring amplifier
- root amplifier
- rooter amplifier
- rotary amplifier
- rotary fader amplifier
- rotating amplifier
- rotating magnetic amplifier
- sample-and-hold amplifier
- sampling amplifier
- SAW amplifier
- selective amplifier
- self-feedback amplifier
- self-pumped parametric amplifier
- self-saturating magnetic amplifier
- semiconductor-diode parametric amplifier
- semistatic ferrite amplifier
- sense amplifier
- sensing amplifier
- sensitive amplifier
- series-fed amplifier
- series-peaked amplifier
- servo amplifier
- shunt-and series-peaked amplifier
- shunt-fed amplifier
- shunting amplifier
- shunt-peaked amplifier
- signal-frequency amplifier
- signal-shaping amplifier
- single-ended amplifier
- single-ended push-pull amplifier
- single-port amplifier - single-sideband parametric amplifier
- single-sided amplifier
- single-stage amplifier
- single-tuned amplifier
- small-signal amplifier
- solid-state amplifier - spin-wave amplifier
- square-law amplifier
- square amplifier
- square-wave amplifier
- squaring amplifier
- squarish amplifier
- SS ferrite amplifier
- stabilizing amplifier
- staggered amplifier
- stagger-damped double-tuned amplifier
- staggered-pair amplifier
- staggered-triple amplifier
- stagger-tuned amplifier
- standing-wave amplifier
- starved amplifier
- step-up amplifier
- stereo amplifier
- straight amplifier
- sum-frequency parametric amplifier
- summing amplifier
- superconducting amplifier
- superregenerative amplifier
- superregenerative paramagnetic amplifier
- superregenerative parametric amplifier
- surface-acoustic-wave amplifier
- surface-wave amplifier
- sweep amplifier
- switching amplifier
- synchronizing amplifier
- synchronous single-tuned amplifier
- tandem amplifier
- telephone-repeater amplifier
- thermal amplifier
- thick-film amplifier
- three-frequency parametric amplifier
- threshold amplifier
- time-base amplifier
- time-control amplifier
- time-shared amplifier
- torque amplifier
- totem-pole amplifier
- transconductance amplifier
- transducer amplifier
- transferred-electron amplifier
- transformer-coupled amplifier
- transimpedance amplifier
- transistor amplifier
- transistor-magnetic amplifier
- transitionally coupled amplifier
- transmission-line amplifier
- transmission-type amplifier
- transresistance amplifier
- transverse-wave electron-beam parametric amplifier - triode amplifier
- triple-tuned amplifier
- trunk amplifier
- tube amplifier
- tuned amplifier - twin-tee amplifier
- two-directional amplifier
- two-port amplifier
- two-pump parametric amplifier
- two-way amplifier
- TWT amplifier
- ultrasonic amplifier
- unidirectional amplifier
- unilateral amplifier
- unilateralized amplifier
- unity-gain amplifier
- untuned amplifier
- upper sideband parametric amplifier
- vacuum-tube amplifier
- valve amplifier
- varactor parametric amplifier
- variable-gain amplifier
- variable-parametric amplifier
- variable-reactance amplifier
- velocity-modulated amplifier
- velocity-variation amplifier
- vertical amplifier
- vibrating capacitor amplifier
- video amplifier
- video-distribution amplifier
- video-frequency amplifier
- video-head amplifier
- vision-distribution amplifier
- vocal amplifier
- voltage amplifier - volume-wave amplifier
- Wallman amplifier
- Weber tetrode amplifier
- wide-band amplifier
- wide-dynamic range amplifier
- Williamson amplifier
- writing amplifier
- YIG parametric amplifier
- zero-phase-shift amplifier