Pulse or digital communications – Spread spectrum – Direct sequence
Patent
1991-03-05
1992-12-15
Safourek, Benedict V.
Pulse or digital communications
Spread spectrum
Direct sequence
307269, 307601, H04L 7033
Patent
active
051723972
ABSTRACT:
A data latch circuit, a gated clock circuit and a delay line circuit for receiving and decoding combined serial data and clock information are disclosed. The data latch circuit, by eliminating the need to use a clear signal, has no "blind spot" with regards to incoming data and can therefore accept data at a faster rate than known circuits. The gated clock also does not utilize the clear signal of the known art and can therefore produce a higher frequency clock pulse. The delay line prevents pulse compression and pulse collapse by means of a flip-flop and exclusive OR means. The circuits may be used together in a receiver for receiving combined serial data and clock information.
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National Semiconductor Corporation
Safourek Benedict V.
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