Amplitude regulating circuit

Details Amplitude regulating circuit Amplitude regulating circuit

2007-07-12

2010-02-09

Pascal, Robert (Department: 2817)

Oscillators

Amplitude control or stabilization

Automatic

C331S185000, C331S1170FE

Reexamination Certificate

active

07659788

ABSTRACT:
An amplitude regulating circuit for an oscillator with an input for a supply signal having an electrical quantity depending on an amplitude of an oscillation of the oscillator has a supply circuit with a control input for a first control signal and a supply output for the supply signal based on the first control signal, a reference circuit with an input for a reference supply signal having a reference quantity, a reference supply circuit with a reference control input for a second control signal and a reference supply output for the reference supply signal based on the second control signal and a comparator circuit with a first control signal output for the first control signal based on the electrical quantity and the electrical reference quantity and a second control signal output for the second control signal based on the electrical quantity and the electrical reference quantity.

REFERENCES:
patent: 5144263 (1992-09-01), Fenk
patent: 7170359 (2007-01-01), Koerner
patent: 7289003 (2007-10-01), Blum
patent: 7327201 (2008-02-01), Miyashita et al.
patent: 2005/0073371 (2005-04-01), Brett et al.
patent: 2006/0006951 (2006-01-01), Xu et al.
patent: 2006/0012447 (2006-01-01), Partovi et al.
patent: 2007/0182503 (2007-08-01), Petrofsky
patent: 10 2004 005 261 (2005-08-01), None
patent: 0 462 304 (1991-12-01), None

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