Serial-to-parallel converter for high-speed bit streams

Details Serial-to-parallel converter for high-speed bit streams Serial-to-parallel converter for high-speed bit streams

1985-10-21

1986-10-28

Sloyan, T. J.

Communications: electrical

Audible indication

Percussion-type sound producer

377 64, 377 76, 328 56, H03K 13256

Patent

active

046201807

ABSTRACT:
A serial bit stream and a clock signal at a frequency equal to the bit rate divided by an integer n are passed in opposite directions via respective delay lines to respectively the data and clock inputs of n flip-flops, which thereby each latch a respective one of n bits of the bit stream during n/2 bit periods. During the next n/2 bit periods the outputs of the flip-flops are stable, and the n bits are latched in a parallel data latch. The delay lines comprise transmission lines terminated with their effective characteristic impedances. The converter is particularly useful for bit rates greater than 1Gb/s.

REFERENCES:
patent: 3955191 (1976-05-01), Lambourn
patent: 4443766 (1984-04-01), Belton, Jr.
The Engineering Staff of Analog Devices, Inc., Analog-Digital Conversion Handbook, 6/1972, pp. I-8 & II-112 to II-115.
Landee et al, Electronic Designers' Handbook, McGraw-Hill Book Co., Inc., 1957, pp. 20-2 to 20-5.
"Clock Recovery for a 5 Gbit/s Fibre-Optic System", by R. Bentland et al., Electronics Letters, Jun. 24th 1982, vol. 18, No. 13.

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