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Recursive Tracking Threshold

IP.com Disclosure Number: IPCOM000052077D
Original Publication Date: 1981-Apr-01
Included in the Prior Art Database: 2005-Feb-11

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Hartley, JD Schneider, RC [+details]


In detecting NRZI data where a pulse represents a one and no pulse represents a zero, a threshold is used in the detection circuitry. Signals above the threshold are detected as ones and signals below the threshold are detected as zeros, as shown in Fig. 1. The signal may be full wave rectified, or two thresholds of opposite polarity may be used.