reactance+amplifier

См. также в других словарях:

• parametric amplifier — noun : a high frequency amplifier whose operation is based on time variations in a parameter (as reactance) and which converts the energy at the frequency of an alternating current into energy at the input signal frequency in such a way as to… …   Useful english dictionary

• Direct coupled amplifier — Direct coupled, also known as DC amp , refers to a type of amplifier. In this type of amplifier, the output of one stage of the amplifier is connected to the input of the next stage directly without using any reactive components like capacitors,… …   Wikipedia

• parametric amplifier — noun a sensitive, low noise amplifier of high frequency or microwave radio waves that utilizes an inductor or capacitor whose reactance varies periodically at a similar frequency …   Wiktionary

• parametric amplifier — Electronics. a device, as an electron tube or transistor, that amplifies a high frequency input signal by sinusoidally varying the reactance of the circuit. [1955 60] * * * …   Universalium

• Классификация электронных усилителей — Основная статья: Электронный усилитель Классы электронных усилителей и режимы работы активных усилительных приборов (ламп или транзисторов) традиционно обозначаются буквами латинского алфавита. Буквенные обозначения классов усиления могут… …   Википедия

• Impedance matching — In electronics, impedance matching is the practice of designing the input impedance of an electrical load (or the output impedance of its corresponding signal source) to maximize the power transfer and/or minimize reflections from the load.… …   Wikipedia

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• Capacitor — This article is about the electronic component. For the physical phenomenon, see capacitance. For an overview of various kinds of capacitors, see types of capacitor. Capacitor Modern capacitors, by a cm ruler Type Passive …   Wikipedia

• Low-pass filter — A low pass filter is a filter that passes low frequency signals but attenuates (reduces the amplitude of) signals with frequencies higher than the cutoff frequency. The actual amount of attenuation for each frequency varies from filter to filter …   Wikipedia

• Frequency compensation — In electrical engineering, frequency compensation is a technique used in amplifiers, and especially in amplifiers employing negative feedback. It usually has two primary goals: To avoid the unintentional creation of positive feedback, which will… …   Wikipedia

• Oscilloscope — This article is about current oscilloscopes, providing general information. For history of oscilloscopes, see Oscilloscope history. For detailed information about various types of oscilloscopes, see Oscilloscope types. Illustration showing the… …   Wikipedia