Radio frequency transmitter having circuitry for regulating a mi

Details Radio frequency transmitter having circuitry for regulating a mi Radio frequency transmitter having circuitry for regulating a mi

1995-12-27

1998-09-08

Kostak, Victor R.

Television

Television transmitter circuitry

Modulator

348738, H04N 540, H04N 560

Patent

active

058052402

ABSTRACT:
A radio frequency transmitter includes a video signal input terminal, an audio signal input terminal, a variable frequency modulation degree circuit, a band pass filter, a sound intensity regulation circuit, a voltage controlled oscillator, a modulation mixer, and an amplifying circuit. The transmitter is arranged to eliminate high frequency abnormalities, prevent interference of audio signals with video signals, stabilize the audio frequency response of the transmitter, and improve circuit stability.

REFERENCES:
patent: 4975775 (1990-12-01), Satoh
patent: 5047860 (1991-09-01), Reginski
patent: 5072297 (1991-12-01), Kanazawa
patent: 5428404 (1995-06-01), Ingram et al.
patent: 5467141 (1995-11-01), Ligertwood

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