Receiver for frequency hopped signals

Details Receiver for frequency hopped signals Receiver for frequency hopped signals

1987-07-31

1989-06-27

Tarcza, Thomas H.

Telecommunications

Receiver or analog modulated signal frequency converter

Frequency modifying or conversion

455326, 324 77B, 380 34, G01R 2316, H04B 126, H04K 104

Patent

active

048436380

ABSTRACT:
A receiver for frequency hopped signal on which an information signal is modulated on one of a plurality of equally frequency spaced carrier signals. A mixer receives the frequency hopped signals on one input, and on a second input, a local oscillator signal have a comb spectrum. The local oscillator signal is generated by a short pseudo-random bit sequence generator providing the continuous comb spectrum with a frequency spacing equal to the spacing of the carrier frequency signals. A plurality of auxiliary signals are generated having a frequency spacing equal to the carrier frequency signal spacings. The auxiliary signals will have the same frequency and spacing from each other for all carrier frequency signals. The modulator means can be used to separate one of the frequency constant auxiliary signals which includes modulation produced from any one of the plurality of carrier signals.

REFERENCES:
patent: 438540 (1983-05-01), Jagnow et al.
patent: 4245355 (1981-01-01), Pascoe et al.
patent: 4267600 (1981-05-01), Campbell
patent: 4270209 (1981-05-01), Albanese

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