Frequency independent control

Oscillators – Automatic frequency stabilization using a phase or frequency... – Tuning compensation

Reexamination Certificate

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Details

C327S156000

Reexamination Certificate

active

07576614

ABSTRACT:
A phase-locked loop (PLL) is disclosed. One embodiment, among others, includes a PLL that provides a control signal and a square root module configured to receive state information, the state information corresponding to tuning information, the square root module further configured to multiply the control signal by a square root of the state information to provide a tuning signal.

REFERENCES:
patent: 3736880 (1973-06-01), Ross
patent: 5577073 (1996-11-01), White
patent: 5831483 (1998-11-01), Fukuda
patent: 6147561 (2000-11-01), Rhee et al.
patent: 6448755 (2002-09-01), Opsahl
patent: 6483391 (2002-11-01), Magoon et al.
patent: 6624674 (2003-09-01), Zhao
patent: 6624707 (2003-09-01), Davis et al.
patent: 6903586 (2005-06-01), Abbasi et al.
patent: 6906565 (2005-06-01), Keaveney
patent: 7072427 (2006-07-01), Rawlins et al.

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