Single counter dual modulus frequency division apparatus

Details Single counter dual modulus frequency division apparatus Single counter dual modulus frequency division apparatus

1998-01-20

2000-03-07

Chin, Wellington

Telecommunications

Receiver or analog modulated signal frequency converter

Frequency or phase modulation

455205, 455112, 327117, 370281, 370295, 370478, H04H 500

Patent

active

060351829

ABSTRACT:
A single counter dual modulus frequency divider apparatus (400) utilizes a programmable divider (508) configured to receive an RF input signal at the divider system input (500) and a modulus control (516) produced by a programmable counter (510). The modulus control (516) sets a divide value of the programmable divider (508) to produce a divided signal at a programmable divider output (514). A switch (512) is configured to receive a first program instruction at the first program instruction input (504) and a second program instruction at a second program instruction input (506) to produce a count control (518). The programmable counter (510) receives the divided signal appearing at the programmable divider output (514) and the count control (518). The count control (518) sets the count value of the programmable counter (510). The programmable counter (510) counts periods of the divided signal appearing at the programmable divider output (514) to produce the output divided signal at the divider system output (502).

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patent: 5610559 (1997-03-01), Dent
patent: 5825213 (1998-10-01), Barrett, Jr. et al.

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