Analog and digital phase detector for bit synchronism

Details Analog and digital phase detector for bit synchronism Analog and digital phase detector for bit synchronism

1991-05-02

1993-08-03

Kuntz, Curtis

Pulse or digital communications

Spread spectrum

Direct sequence

375 82, H03D 324

Patent

active

052336360

ABSTRACT:
The present invention provides a phase detector comprising a driver U1 and D-type flip-flops U2 and U3 which reduces the high frequency component of the jitter in VCO, in analog-fashion operation, enables the use of general purpose logic elements being irrespective of the data bit speed, and enables the application of both analog PLL and digital PLL.

REFERENCES:
patent: 4222009 (1980-09-01), Moulton et al.
patent: 4371974 (1983-02-01), Dupan
patent: 4371975 (1983-02-01), Dupan
patent: 4380815 (1983-04-01), Clendening
patent: 4400664 (1983-04-01), Belkin
patent: 4535459 (1985-08-01), Hoppe, Jr.

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