Radio communication apparatus with reference frequency control b

Details Radio communication apparatus with reference frequency control b Radio communication apparatus with reference frequency control b

1996-03-01

1998-06-30

Eisenzopf, Reinhard J.

Telecommunications

Receiver or analog modulated signal frequency converter

Local control of receiver operation

455 69, 455316, H04B 106, H04B 700

Patent

active

057748004

ABSTRACT:
A radio communication apparatus includes a control section detecting the frequency of the intermediate-frequency signal from a mixer and adjusting the local oscillation frequency generated by a local oscillator on the basis of the detected intermediate frequency. The adjusted local oscillation frequency is supplied to the mixer to stabilize the intermediate frequency.

REFERENCES:
patent: 4893097 (1990-01-01), Zwack
patent: 4921467 (1990-05-01), Lax
patent: 4932072 (1990-06-01), Toko
patent: 5204972 (1993-04-01), Hashimoto
patent: 5477194 (1995-12-01), Nagakura
patent: 5493710 (1996-02-01), Takahara et al.
European Patent Office, Patent Abstracts of Japan; Publication No. 60149223, Publication Date: Jun. 8, 1995 (One Page).

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