Noise limiter

Details Noise limiter Noise limiter

1974-07-10

1976-07-06

Zazworsky, John

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307264, 328165, 328171, 330149, H03K 508

Patent

active

039683834

ABSTRACT:
In a radio receiver, noise limiter apparatus specifically designed to clip impulse noise and to pass the audio signal undistorted up to about 80% carrier modulation. The noise limiter comprises a clipping circuit which is normally turned on by the audio signal to pass same, and a noise impulse amplifier branch containing an amplifier which is edgetriggered to cause clipping during the presence of noise impulses and to eliminate an output from the impulse amplifier when an audio signal is present.

REFERENCES:
patent: 3139587 (1964-06-01), Peck
patent: 3286106 (1966-11-01), Deveson
patent: 3573641 (1971-04-01), Zenk
patent: 3576449 (1971-04-01), Howell

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