Method and apparatus for controlling a fractional-N synthesizer

Details Method and apparatus for controlling a fractional-N synthesizer Method and apparatus for controlling a fractional-N synthesizer

1996-01-30

1997-11-04

Chin, Wellington

Multiplex communications

Communication over free space

Combining or distributing information via time channels

370516, 375371, 455 76, 455260, 331 1A, H04J 306

Patent

active

056847955

ABSTRACT:
In a Time Division Multiple Access System, multiple offset values are provided to a divider control circuit (213) of a fractional-N synthesizer (200) by utilizing a microprocessor (305). The microprocessor (305) utilizes timeslot information provided to it by a timeslot selector (301), frequency information provided to it by a frequency selector (303) and a read-only memory (307), to provide offset values to the divider control circuit (213).

REFERENCES:
patent: 4816774 (1989-03-01), Martin
patent: 4918403 (1990-04-01), Martin
patent: 5065408 (1991-11-01), Gillig
patent: 5111162 (1992-05-01), Hietala et al.
patent: 5122762 (1992-06-01), Molina et al.
patent: 5541929 (1996-07-01), Jokura

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