Global positioning system course acquisition code receiver

Details Global positioning system course acquisition code receiver Global positioning system course acquisition code receiver

1984-05-07

1988-06-28

Griffin, Robert L.

Pulse or digital communications

Repeaters

Testing

375120, 370104, 370107, H04K 100

Patent

active

047544651

ABSTRACT:
A GPS satellite receiver is disclosed in which the frequency of the received satellite signal is down converted in a single step by a balanced mixer driven by a half-frequency local oscillator and the down-converted satellite signal is converted from analog-to-digital form by a hard limiter.

REFERENCES:
patent: 3681697 (1972-08-01), Moroney
patent: 4203070 (1980-05-01), Bowles et al.
patent: 4232395 (1980-11-01), Yokogawa
patent: 4247939 (1981-01-01), Stromswold et al.
patent: 4384357 (1983-05-01), de Buda et al.
patent: 4429418 (1984-01-01), Hooper
patent: 4485477 (1984-11-01), Nossen
patent: 4530103 (1985-07-01), Mosley, Jr. et al.
patent: 4531236 (1985-07-01), Ishihara

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