Radio frequency generator for a radio communication system

Details Radio frequency generator for a radio communication system Radio frequency generator for a radio communication system

1997-04-25

2000-06-20

Eisenzopf, Reinhard J.

Telecommunications

Transmitter and receiver at same station

With frequency stabilization

455118, 455314, 331 25, H04B 140

Patent

active

060787902

ABSTRACT:
A radio frequency generator in a radio communication system having a transmitter for up-converting the frequency of transmission data signals, and a receiver for down-converting the frequency of reception data signals includes: a first radio frequency generator for generating a low-band reception local oscillator frequency signal which is provided to a second mixer in the receiver; a second radio frequency generator for generating a low-band transmission local oscillator frequency signal which is provided to a first mixer in the transmitter; and a third radio frequency generator for generating a high-band local oscillator frequency signal for a first mixer of the receiver and a second mixer of the transmitter. A reference frequency generator is provided for receiving a radio frequency signal from a global position system receiver and generating a reference signal for generating local oscillator frequency signals in response thereto.

REFERENCES:
patent: 2974222 (1961-03-01), Lawson
patent: 5423076 (1995-06-01), Westergren et al.
patent: 5432779 (1995-07-01), Shimo et al.
patent: 5465409 (1995-11-01), Borras et al.
patent: 5483679 (1996-01-01), Sasaki
patent: 5603097 (1997-02-01), Kanou
patent: 5668829 (1997-09-01), Saito
patent: 5669067 (1997-09-01), Mambo

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