Intermediate frequency FM receiver using analog oversampling to

Details Intermediate frequency FM receiver using analog oversampling to Intermediate frequency FM receiver using analog oversampling to

1994-04-13

1996-01-09

Eisenzopf, Reinhard J.

Telecommunications

Receiver or analog modulated signal frequency converter

Frequency modifying or conversion

455303, 455304, H04B 126

Patent

active

054836956

ABSTRACT:
An FM receiver comprising a local oscillator (23), a heterodyning stage (24) and a demodulator stage (33). The heterodyning stage has a signal producing arrangement and a multiplier arrangement. The signal producing arrangement (25,26,27,29,30,31,32) produces n signals a.sub.1 . . . a.sub.n wherein each signal consists of a message signal modulated at the intermediate frequency of the receiver, and these signals a.sub.1 . . . a.sub.n are related by the expression

REFERENCES:
patent: 5230099 (1993-07-01), Leper
patent: 5303417 (1994-04-01), Laws
Electronics & Wireless World, Sutton, "Direct-conversion FM design", vol. 96, No. 11, Nov. 1990, pp. 962-967.
Electronic Components & Applications, Eindhoven, "A complete f.m. radio on a chip", vol. 5, No. 3, Jun. 1983, pp. 159-170.

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