Self-contained self-testing data modulator

Details Self-contained self-testing data modulator Self-contained self-testing data modulator

1995-06-05

2000-09-19

Luther, William

Pulse or digital communications

Testing

375221, H04B 346

Patent

active

061223131

ABSTRACT:
A system for testing an overall system employing an integrated circuit with a modulator thereon is disclosed. The system for testing includes structure for causing the modulator to continually transmit data and structure for causing the continually transmitted data to exhibit extreme frequency deviation. In both instances the structure may be a single register. This register may also include a set of bits that may be set to select a continuous or an alternating pattern or, stated another way, a maximum or a minimum peak frequency deviation.

REFERENCES:
patent: 3909720 (1975-09-01), Fantera
patent: 4199809 (1980-04-01), Pasahow et al.
patent: 4385384 (1983-05-01), Rosbury et al.
patent: 4554410 (1985-11-01), Furumoto
patent: 4670879 (1987-06-01), Okino
patent: 5025453 (1991-06-01), Hurinville
patent: 5337316 (1994-08-01), Weiss et al.
Federal Register/vol. 64. No. 146/Friday, Jul. 30, 1999.

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