Digitally controlled bit synchronizer
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United States of America Patent
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Dec 29, 1992
Grant Date -
N/A
app pub date -
Apr 27, 1990
filing date -
Apr 27, 1990
priority date (Note) -
Expired
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Abstract
A digitally controlled bit synchronizer and method for converting a pulse code modulated input signal having a known IRIG code into a filtered NRZ-L formatted output signal in phase with a predetermined clock signal. The bit synchronizer and method utilize a four-pole filter element, peak detector and reset circuits for removing AC offset, a variable controlled oscillator for adjusting the phase of the clock, Miller, Bi-Phase, and NRZ decoders, and a microprocessor for digitally controlling their operation and interconnection.
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