Police radar signal band discrimination circuitry for a police r

Details Police radar signal band discrimination circuitry for a police r Police radar signal band discrimination circuitry for a police r

1988-02-29

1989-08-29

Taroza, Thomas H.

Communications: directive radio wave systems and devices (e.g.,

Radar ew

Detection of surveilance

455226, 455315, 455228, H04B 1700, H04B 126, G01S 740

Patent

active

048621757

ABSTRACT:
A radar warning receiver is provided having a police radar signal band discrimination circuit which generates evaluation signals, the state of which indicates the voltage level relative a threshold voltage of a discriminator output as the local oscillator is swept through the radar bands. The times during which the evaluation signals are in one state or the other are utilized to identify in which band the received signal is operating (e.g., X-band or K-band).

REFERENCES:
patent: 4313216 (1982-01-01), Jaeger et al.
patent: 4581769 (1986-04-01), Grimsley et al.

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