Microwave frequency discriminator comprising an FET amplifier

Details Microwave frequency discriminator comprising an FET amplifier Microwave frequency discriminator comprising an FET amplifier

1976-09-13

1977-10-11

Grimm, Siegfried H.

Demodulators

Amplitude modulation demodulator

Having specific distortion, noise or other interference...

307233R, 328140, 329116, 329119, 329134, 329192, 329205R, 330 53, 330277, H03D 326

Patent

active

040538427

ABSTRACT:
A microwave frequency discriminator comprising a field effect transistor (FET) amplifier, input and output impedance matching networks and a detector. The FET is biased to generate an output RF signal within a predetermined frequency bandwidth in response to an input RF signal of substantially constant power level. The input and output impedance matching networks are arranged to provide the impedance conditions to shape and linearize the power-frequency response of the FET amplifier throughout the predetermined frequency bandwidth such that the frequency response approximates the linear power-frequency characteristic of a frequency discriminator.

REFERENCES:
patent: 3163826 (1964-12-01), Kemper
patent: 3676785 (1972-07-01), Pichal
patent: 3975699 (1976-08-01), Van Anda et al.

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