Radio transceiver and related method of frequency control

Details Radio transceiver and related method of frequency control Radio transceiver and related method of frequency control

1991-10-24

1993-07-20

Eisenzopf, Reinhard J.

Telecommunications

Transmitter and receiver at same station

With frequency stabilization

455 84, 455260, 375 97, H04B 154, H04B 140, H04L 2704, H04L 2712

Patent

active

052300889

ABSTRACT:
A radio transceiver for use in data communications uses a single phase-locked loop to control the frequency of the receiver portion while simultaneously providing coarse control of the frequency of the transmitter portion. The output of the receiver portion is also used to provide an error signal for fine tuning the transmitter frequency after the component of the error signal caused by modulation of the transmitter portion has been removed.

REFERENCES:
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patent: 4185240 (1980-01-01), Atkinson et al.
patent: 4325140 (1982-04-01), Stitzer
patent: 4373205 (1983-02-01), Mizota
patent: 4404685 (1983-09-01), Rogers
patent: 4568888 (1986-02-01), Kimura et al.
patent: 4602225 (1986-07-01), Miller et al.
patent: 4618997 (1986-10-01), Imazeki et al.
patent: 4663511 (1986-12-01), Kogo et al.
patent: 4932072 (1990-06-01), Toko
patent: 4942374 (1990-07-01), Sai

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