Voltage driven microwave amplitude modulation system

Details Voltage driven microwave amplitude modulation system Voltage driven microwave amplitude modulation system

1990-05-02

1991-07-02

Grimm, Siegfried H.

Modulators

Amplitude modulator

Including stabilization or alternatively distortion, noise...

332174, 332177, 332178, 455108, H03C 106, H03C 114

Patent

active

050288903

ABSTRACT:
A microwave amplitude modulation system maintains constant amplitude attenuation at very high modulation rates over a broad range of microwave frequencies in response to voltage driving signals derived from modulation signals. In the system, the video input of a shunt-type PIN diode microwave amplitude modulation system is driven by a logarithmic voltage amplifier circuit which receives the modulation signals as an input.

REFERENCES:
patent: 3970968 (1976-07-01), Sly
patent: 4646036 (1987-02-01), Brown

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