RF oscillator and modulator having regulated low harmonic output

Details RF oscillator and modulator having regulated low harmonic output RF oscillator and modulator having regulated low harmonic output

1976-08-27

1977-09-06

Grimm, Siegfried H.

Modulators

Amplitude modulator

Nonlinear device controlled by modulating signal

331117R, 331186, 332 53, H03C 114

Patent

active

040471276

ABSTRACT:
An RF oscillator and modulator produces a stable moudlated RF signal with a varying voltage source and without the requirement for critical device selection. A bias voltage for the oscillator transistor is provided by diode means at the oscillator output, the bias voltage being commuted to the transistor through the oscillator tuned circuit. Advantageously, the diode means biases a diode modulator connected to the oscillator output and to a modulation signal whereby linear operation of the diode modulator is enhanced.

REFERENCES:
patent: 3229227 (1966-01-01), Popodi
patent: 4003000 (1977-01-01), Sordello et al.

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