Analogue self-calibration method and apparatus for low...

Details Analogue self-calibration method and apparatus for low... Analogue self-calibration method and apparatus for low...

2011-03-08

2011-03-08

Pascal, Robert (Department: 2817)

Oscillators

Automatic frequency stabilization using a phase or frequency...

Particular error voltage control

C331S034000, C331S016000, C327S156000

Reexamination Certificate

active

07902929

ABSTRACT:
A method of operating a phase lock loop includes generating a control voltage based on both an output signal of a voltage-controlled oscillator and a reference signal. An operating mode is selected from one of a high-gain mode, a zero-gain mode and a low-gain mode based on the control voltage. The phase lock loop is operated in the selected one of the high-gain mode, the zero-gain mode, and the low-gain mode. The control voltage is offset to generate an offset voltage based on the selected operating mode. The output signal is generated based on the offset voltage.

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