Oscillators – With frequency calibration or testing
Reexamination Certificate
2006-08-15
2006-08-15
Chang, Joseph (Department: 2817)
Oscillators
With frequency calibration or testing
C331S185000
Reexamination Certificate
active
07091796
ABSTRACT:
A method for calibrating a voltage controlled oscillator (VCO) comprising applying a plurality of known voltages to the input of a VCO, monitoring, for each of the voltages, an output count from the VCO over a set interval, and storing the output counts for each voltage. Also disclosed is a system for calibrating a voltage controlled oscillator (VCO) comprising a plurality of known voltages, wherein the known voltage are connectable to the VCO, and a controller coupled to the output of the VCO, wherein the controller maintains a calibration table of VCO output counts for selected voltage inputs.
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Office Action from German Patent Application 10 2004 018 635.9-35 dated Apr. 4, 2006 (English translation provided).
Bostak Christopher J.
Ignowski James S.
Naffziger Samuel D.
Poirier Christopher A.
Chang Joseph
Hewlett--Packard Development Company, L.P.
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