Signal quality detector circuit
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United States of America Patent
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-
Jun 1, 1993
Grant Date -
N/A
app pub date -
Aug 14, 1990
filing date -
Aug 19, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A signal quality detector circuit which detects an error signal of an input signal, used for detecting transmission quality of a transmission line. The detector circuit equalizes the input baseband signal, analog-to-digital-converts the equalized signal to a digital bit signal, analog-to-digital converts the input baseband signal to a digital bit signal, compares the two analog-to-digital converted signals on a bit-by-bit basis and detects an error signal accumulates the error signal in a unit time, and detects transmission quality of a transmission line.
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