Oscillators – Ring oscillators
Patent
1998-08-04
2000-12-05
Mis, David
Oscillators
Ring oscillators
331 1A, 331 34, 331177R, 331179, H03B 524
Patent
active
061572675
ABSTRACT:
A variable frequency oscillator including an oscillation unit including a ring oscillator having multiple loops, and a frequency control unit controlling switching among the multiple loops in accordance with a control input indicative of an oscillation frequency and thus generating an oscillation signal having the oscillation frequency.
REFERENCES:
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patent: 5331294 (1994-07-01), Watanabe et al.
patent: 5349311 (1994-09-01), Mentzer
patent: 5465076 (1995-11-01), Yamauchi et al.
patent: 5525939 (1996-06-01), Yamauchi et al.
patent: 5777520 (1998-07-01), Kawakami
patent: 5861780 (1999-01-01), Fukuda
Fujitsu Limited
Mis David
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