Method and apparatus for controlling a phase lock loop

Details Method and apparatus for controlling a phase lock loop Method and apparatus for controlling a phase lock loop

1996-05-23

1998-05-19

Vo, Don N.

Pulse or digital communications

Receivers

Angle modulation

375376, 331 1R, 331 11, 331 14, 331 17, 327159, H03D 318, H03D 324

Patent

active

057545987

ABSTRACT:
A phase lock loop of a synthesizer (143) is controlled by applying (506) modern optimal control techniques for a predetermined period in a computing engine (222), in response to an error being introduced into a signal of the phase lock loop, and by utilizing (510) classical control techniques for controlling the phase lock loop after the predetermined period.

REFERENCES:
patent: 4167711 (1979-09-01), Smoot
patent: 5463351 (1995-10-01), Marko et al.
patent: 5485484 (1996-01-01), Williams et al.
patent: 5487093 (1996-01-01), Adresen et al.
patent: 5511100 (1996-04-01), Lundberg et al.
patent: 5576664 (1996-11-01), Herold et al.
Graham C. Goodwin & Kwai Sang Sin, "Adaptive Filtering Prediction & Control", pp. 118-171, 1984, USA.
Carver Mead, "Analog VLSI & Neural Systems", pp. 67-82, 1989, USA.

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