RF receiver adapted to process received RF pulses and reject RF

Details RF receiver adapted to process received RF pulses and reject RF RF receiver adapted to process received RF pulses and reject RF

1991-12-12

1994-11-29

Kuntz, Curtis

Telecommunications

Receiver or analog modulated signal frequency converter

Noise or interference elimination

455307, 455340, H04B 110

Patent

active

053697936

ABSTRACT:
A power divider couples a received signal to a pair of signal channels. The first channel includes a pulse signal processor coupled to the power divider through a band reject filter. The second channel includes a continuous wave signal detector and processor coupled to the power divider through a bandpass filter. The bandpass and band reject filters are responsive to a control signal for tuning the center frequencies of the respective pass band and reject band to a frequency within a predetermined range of frequencies. The continuous wave signal detector and processor determines the frequency of a detected continuous wave signal using the first channel, and tunes, by producing the above-mentioned control signal, the center frequencies of the bandpass and band reject filters to the frequency of the detected continuous wave signal. The band reject filter rejects the continuous wave signal in the first channel. The continuous wave signal detector and processor then monitors the second channel to detect the absence of the detected continuous wave signal.

REFERENCES:
patent: 4395779 (1983-07-01), Fujino et al.
patent: 4584580 (1986-04-01), Fujino et al.
patent: 4662001 (1987-04-01), Cruz et al.

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