Modulator immune from temperature variation-induced change...

Details Modulator immune from temperature variation-induced change... Modulator immune from temperature variation-induced change...

2005-11-29

2005-11-29

Kinkead, Arnold (Department: 2817)

Modulators

Frequency modulator

Including stabilization or alternatively distortion, noise...

C332S107000, C332S124000, C348S680000, C348S682000, C348S695000, C348S723000, C348S724000

Reexamination Certificate

active

06970052

ABSTRACT:
A modulation factor is kept immune from the influence of temperature variation. A modulator is provided with an operational amplifier to one of whose input ends are inputted video signals and to the other is applied a reference voltage and a video mixer into which are entered carrier wave signals and video signals amplified by the operational amplifier, wherein the reference voltage is raised or lowered as the gain of the video mixer increases or decreases, respectively, with a variation in temperature.

REFERENCES:
patent: 4695886 (1987-09-01), Schofield
patent: 5282076 (1994-01-01), Banks
patent: HEI 10-341112 (1998-12-01), None

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