Signal generator with signal tracking

Details Signal generator with signal tracking Signal generator with signal tracking

2011-06-21

2011-06-21

Torres, Juan A (Department: 2611)

Pulse or digital communications

Synchronizers

Phase displacement, slip or jitter correction

C375S271000, C375S211000, C375S223000, C375S302000, C375S322000, C329S315000, C332S117000, C370S215000, C398S187000

Reexamination Certificate

active

07965805

ABSTRACT:
Frequency and phase of an output signal is adjusted to track an input signal. A control signal is adjusted to control a frequency of an oscillating signal from which the output signal is derived. In some aspects the frequency of the oscillating signal is adjusted by reconfiguration of reactive circuits coupled to an oscillator circuit. Phase of the output signal may be adjusted based on comparison of the oscillating signal with an adjustable threshold. For example, the adjustable threshold may comprise an adjustable bias signal for a transistor circuit whereby the oscillating signal is provided as an input to the transistor circuit and the output of the transistor circuit provides the output signal.

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