Pulse or digital communications – Repeaters – Testing
Patent
1989-10-27
1992-02-11
Safourek, Benedict V.
Pulse or digital communications
Repeaters
Testing
455266, 331 59, 375 75, H04L 2706, H04B 0114
Patent
active
050881078
ABSTRACT:
A calibration circuit for a linear channel of an optical modem includes circuitry interconnected to the linear channel for causing the linear channel to oscillate. Circuitry is interconnected to the output of the linear channel for monitoring the bandwidth of the linear channel during oscillation and for generating output pulses. The output pulses are counted and are utilized for generating an adjustment signal applied to the linear channel for adjusting the bandwidth of the linear channel.
REFERENCES:
patent: 4792993 (1988-10-01), Ma
Piasecki Douglas S.
Swanson Eric J.
Bocure Tesfalbet
Crystal Semiconductor
Howison Gregory M.
Safourek Benedict V.
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