Frequency selective signal-to-noise enhancer/limiter apparatus

Wave transmission lines and networks – Automatically controlled systems – Impedance matching

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Details

333 241, H01P 1215, H01P 123, H01P 504

Patent

active

045958890

ABSTRACT:
The signal-to-noise enhancer can be used in frequency memory loops to prevent loop capture by noise. If a frequency selective limiter is incorporated in the loop, more than one signal can be stored simultaneously because the limiter prevents the loop amplifier from saturating. At present, the limiter must be a separate device. The frequency selective signal-to-noise enhancer/limiter apparatus comprises an enhancer apparatus and a limiter apparatus on a single substrate, using a single pair of magnets to bias both units.

REFERENCES:
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patent: 4005375 (1976-01-01), Pringle et al.
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patent: 4165492 (1979-08-01), Motola et al.
patent: 4193047 (1980-03-01), Carter et al.
patent: 4283692 (1981-08-01), Adam
patent: 4488122 (1984-12-01), Wolkstein

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