Oscillators – Amplitude control or stabilization
Reexamination Certificate
2006-11-28
2006-11-28
Lee, Benny (Department: 2817)
Oscillators
Amplitude control or stabilization
C331S111000, C331S143000, C331S176000, C331S183000, C331S074000
Reexamination Certificate
active
07142069
ABSTRACT:
A circuit arrangement for controlling an amplitude of an oscillator signal is accomplished by comparing the oscillator signal to reference signals. The amplitude of the oscillator signal is capable of being adjusted by means of a control signal. The control signal is developed by a regulating circuit that depends upon a comparison result of the oscillator signal with a reference signal such that the amplitude of the oscillator signal adopts a desired value. At least one further reference signal is compared to the oscillator signal and the regulating circuit is adjusted depending on the comparison.
REFERENCES:
patent: 5497127 (1996-03-01), Sauer
patent: 6060957 (2000-05-01), Kodrnja et al.
patent: 6570443 (2003-05-01), Casagrande
patent: 102 09 044 (2002-03-01), None
patent: WO 03/075450 (2003-02-01), None
Costa Vincenzo
Icking Henrik
Brinks Hofer Gilson & Lione
Infineon - Technologies AG
Lee Benny
Wong Alan
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