Circuit for use in frequency or phase detector

Details Circuit for use in frequency or phase detector Circuit for use in frequency or phase detector

2007-10-23

2007-10-23

Chang, Joseph (Department: 2817)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Particular stable state circuit

C327S094000, C331S00100A

Reexamination Certificate

active

10550345

ABSTRACT:
A tracking data cell (10) comprising:—a pair of track and hold circuits (1, 1′) coupled to a first multiplexer (5),—a clock signal (H+, H−) being inputted substantially in anti-phase in the respective track and hold circuits (1, 1′) for determining a receipt of a data signal (D+, D−) having a rate, —said track and hold circuits (1, 1′) providing an output signal (O) having a substantially half rate.

REFERENCES:
patent: 4373141 (1983-02-01), Sanders
patent: 5006819 (1991-04-01), Buchan et al.
patent: 5510736 (1996-04-01), Van de Plassche
patent: 5517141 (1996-05-01), Abdi et al.
patent: 6265910 (2001-07-01), Bruccoleri et al.
patent: 2006/0208782 (2006-09-01), Sanduleanu et al.

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