Oscillators – Automatic frequency stabilization using a phase or frequency... – Tuning compensation
Reexamination Certificate
2007-06-28
2009-11-24
Cho, James H. (Department: 2819)
Oscillators
Automatic frequency stabilization using a phase or frequency...
Tuning compensation
C331S034000, C331S176000
Reexamination Certificate
active
07622997
ABSTRACT:
An oscillator system may include an oscillator block having a plurality of inputs and outputting a clock signal, a frequency divider block receiving the clock signal and outputting a divided clock signal, a tuning block receiving the divided clock signal and outputting a comparison signal, and a control block coupled to the tuning block. The control block may receive the comparison signal. The control block may include a configuration block for producing a plurality of outputs for the corresponding inputs of the oscillator block, and an Up/Down counter having outputs applied to the configuration block.
REFERENCES:
patent: 2005/0226357 (2005-10-01), Yoshimura
patent: 2006/0284688 (2006-12-01), Miki
Amato Stefano
Mannino Francesco
Picca Massimiliano
Scapin Mirko
Allen Dyer Doppelt Milbrath & Gilchrist, P.A.
Cho James H.
Jorgenson Lisa K.
STMicroelectronics S.r.L.
Tran Jany
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