Pulse or digital communications – Repeaters – Testing
Patent
1990-11-26
1992-11-24
Safourek, Benedict V.
Pulse or digital communications
Repeaters
Testing
360 51, 360 65, 375 18, 375 20, 375101, 375120, H04L 2701
Patent
active
051669552
ABSTRACT:
A signal detection apparatus detects digital information contained in a binary baseband PCM signal transmitted on a communication transmission channel or recorded on a recording medium. A first equalizer equalizes the PCM signal to reduce intersymbol interference. A clock reproducer reproduces a clock signal synchronized with the timing of the digital information using an output signal of the first equalizer. A second equalizer subjects the output signal of the first equalizer to partial response equalization. A decoding circuit decodes the digital information from an output signal of the second equalizer at a timing of the clock signal. A stable clock signal is easily reproduced and the digital information is detected at a lower bit error rate.
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Matsushita Electric - Industrial Co., Ltd.
Safourek Benedict V.
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