Frequency synthesizer and radio transmitting apparatus

Details Frequency synthesizer and radio transmitting apparatus Frequency synthesizer and radio transmitting apparatus

2011-08-30

2011-08-30

Mis, David (Department: 2817)

Oscillators

Automatic frequency stabilization using a phase or frequency...

Tuning compensation

C331S00100A, C331S025000, C455S119000

Reexamination Certificate

active

08008979

ABSTRACT:
A frequency synthesizer (100) can selectively set an output band of VCO, and consumes less power. The frequency synthesizer (100) has a frequency converting circuit (110) that has a mixer (111) and a frequency divider (112) connected with each other in parallel. The frequency synthesizer (100) uses the frequency divider (112) upon frequency band selection in VCO (101) and uses the mixer (111) upon transmission.

REFERENCES:
patent: 5952895 (1999-09-01), McCune
patent: 6269135 (2001-07-01), Sander
patent: 6765977 (2004-07-01), Adams et al.
patent: 6826388 (2004-11-01), Tanaka
patent: 6960962 (2005-11-01), Peterzell
patent: 2001-251186 (2001-09-01), None
patent: 2008-109680 (2008-05-01), None

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