Relaxation oscillator for compensating system delay

Details Relaxation oscillator for compensating system delay Relaxation oscillator for compensating system delay

2008-10-21

2010-12-14

Mis, David (Department: 2817)

Oscillators

Relaxation oscillators

C331S175000

Reexamination Certificate

active

07852166

ABSTRACT:
A relaxation oscillator compensates for system delay. The relaxation oscillator includes first and second input signal units that generates first and second capacitor voltages, a delay compensation unit that receives a reference voltage and the first and second capacitor voltages and that generates a compensation voltage. In certain embodiments, a voltage generating unit applies the reference voltage to the delay compensation unit, and a latch unit stores first and second comparison signals compared by the first and second input signal units and transmits a clock signal and a inverted clock signal to the first and second input signal units. The first and second input signal units compare the first and second capacitor voltages with a compensation voltage transmitted from the delay compensation unit.

REFERENCES:
patent: 5508664 (1996-04-01), Rizzo
patent: 7034627 (2006-04-01), Kudari
patent: 7138880 (2006-11-01), Ma et al.
patent: 2007/0103243 (2007-05-01), Gong
patent: 1020010040690 (2001-05-01), None
patent: WO-00-36745 (2000-06-01), None

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