modulated amplifier

См. также в других словарях:

• modulated amplifier — moduliavimo pakopos stiprintuvas statusas T sritis radioelektronika atitikmenys: angl. modulated amplifier vok. Modulationsverstärker, m rus. усилитель модуляторной ступени, m pranc. amplificateur de modulation, m …   Radioelektronikos terminų žodynas

• Electronic amplifier — A practical amplifier circuit An electronic amplifier is a device for increasing the power of a signal. It does this by taking energy from a power supply and controlling the output to match the input signal shape but with a larger amplitude. In… …   Wikipedia

• Class-D amplifier — Block diagram of a basic switching or PWM (class D) amplifier A class D amplifier or switching amplifier is an electronic amplifier where all power devices (usually MOSFETs) are operated as binary switches. They are either fully on or fully… …   Wikipedia

• Lock-in amplifier — A lock in amplifier (also known as a phase sensitive detector) is a type of amplifier that can extract a signal with a known carrier wave from extremely noisy environment (S/N ratio can be as low as 60 dB or even lessFact|date=December 2007). It… …   Wikipedia

• Linear amplifier — A linear amplifier is an electronic circuit whose output is proportional to its input, but capable of delivering more power into a load. The term usually refers to a type of radio frequency (RF) power amplifier, some of which have output power… …   Wikipedia

• Doherty amplifier — The Doherty amplifier is a modified class C radio frequency amplifier invented by William H. Doherty in 1936. The amplifier is usually configured as a grounded cathode, carrier peak amplifier. Using two vacuum tubes, or two power transistors in… …   Wikipedia

• magnetic amplifier — noun : a device in which an alternating current in the secondary is modulated by variations of core reluctance due to varying a direct current in the primary so that the secondary modulations may be of much greater amplitude than the primary and… …   Useful english dictionary

• Logarithmic video amplifier — A logarithmic video amplifier or LVA is typically part of radar and electronic countermeasures microwave systems and sonar navigation systems, used to convert a very large dynamic range input power to an output voltage that increases… …   Wikipedia

• Valve amplifier — A valve amplifier or tube amplifier is a type of electronic amplifier that make use of vacuum tubes instead of solid state semiconductor devices (such as transistors). As any other electronic amplifier they serve to increase the power and/or… …   Wikipedia

• Optical parametric amplifier — An optical parametric amplifier, abbreviated OPA, is a laser light source that emits light of variable wavelengths by an optical parametric amplification process. Contents 1 Optical parametric generation (OPG) 2 Optical parametric amplification… …   Wikipedia

• magnetic amplifier — Elect. an amplifier that applies the input signal to a primary winding and feeds an alternating current to a secondary winding where this current is modulated by the variations in the primary winding. * * * …   Universalium