Pulse or digital communications – Repeaters – Testing
Patent
1980-04-07
1982-01-26
Smith, Alfred E.
Pulse or digital communications
Repeaters
Testing
328 74, 375110, H04L 700
Patent
active
043130887
ABSTRACT:
Arrangement for clock signal generation from a received data signal located in baseband, for use in baseband modems. In addition to signal transitions which provide clock information in a reliable manner, several types of data signals contain disturbing signal transitions. These disturbing transitions are eliminated by converting the spectrum of the received data signal into the spectrum of a bi-phase modulated signal. It is possible to obtain a reliable clock signal from the signal transitions of the converted signal with small acquisition times.
REFERENCES:
patent: 3500215 (1970-03-01), Leuthold et al.
patent: 3916084 (1975-10-01), Toole
Mengali, U., "A Self Bit Synchronizer Matched to the Signal Shape," IEEE Trans. Aerospace and Electron. Sys. vol. AES-7, No. 4, Jul. 1971, pp. 686-693.
Snijders Wilfred A. M.
van Gerwen Petrus J.
Briody Thomas A.
Goodman Edward W.
Grigsby T. N.
Smith Alfred E.
Streeter William J.
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