Frequency synthesizer with adaptive loop bandwidth

Details Frequency synthesizer with adaptive loop bandwidth Frequency synthesizer with adaptive loop bandwidth

1994-10-11

1997-05-20

Kuntz, Curtis

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Synthesizer

331 25, 455260, H03L 716, H03L 700

Patent

active

056315872

ABSTRACT:
A method for a frequency synthesizer with adaptive loop bandwidth is disclosed, which is adjusted by the improved frequency synthesizer includes a phase-locked loop and a phase-locked loop adjustment circuit. The phase-locked loop has loop characteristics including a loop bandwidth, a natural frequency, a damping factor, and the like. The phase-locked loop adjustment circuit is adjusted in response to a change in output frequency.

REFERENCES:
patent: 4677648 (1987-06-01), Zurfluh
patent: 4901033 (1990-02-01), Herold et al.
patent: 4912434 (1990-03-01), Wyatt
patent: 5151665 (1992-09-01), Wentzler
patent: 5254958 (1993-10-01), Flach et al.
patent: 5319320 (1994-06-01), Abe et al.
patent: 5381085 (1995-01-01), Fischer

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