Radio Communication device capable of setting a frequency channe

Details Radio Communication device capable of setting a frequency channe Radio Communication device capable of setting a frequency channe

1997-07-02

1999-12-28

Hudspeth, David R.

Telecommunications

Transmitter and receiver at same station

With frequency stabilization

455 84, 455 86, 455112, H04B 126, H04N 550

Patent

active

060093137

ABSTRACT:
A radio communication device includes a transmission carrier generating circuit, a reception intermediate-frequency local signal generating circuit), a transmission radio-frequency local signal generating circuit and a reception radio-frequency local signal generating circuit, each of which is in the form of a frequency synthesizer. The radio communication device further includes a channel connection signal control circuit which cooperatively controls the transmission carrier generating circuit and the transmission radio-frequency local signal generating circuit and cooperatively controls the reception intermediate-frequency local signal generating circuit and the reception radio-frequency local signal generating circuit.

REFERENCES:
patent: 5390346 (1995-02-01), Marz
patent: 5465409 (1995-11-01), Borras et al.
patent: 5483679 (1996-01-01), Sasaki
patent: 5669067 (1997-09-01), Mambo
patent: 5715520 (1998-02-01), Hillock et al.
patent: 5722053 (1998-02-01), Kornfeld et al.
patent: 5737694 (1998-04-01), McMahill et al.
patent: 5794119 (1998-08-01), Evans et al.
patent: 5794131 (1998-08-01), Cairns
J.A. Crawford, "Frequency Synthesizer Design Handbook", Artech, p. 289.

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