Procedure and apparatus for amplification of a burst signal
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United States of America Patent
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-
Oct 22, 1991
Grant Date -
N/A
app pub date -
Oct 2, 1990
filing date -
Oct 14, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A controllable amplifier, which has two symmetrical outputs, at which two output signals mirror-symmetrical with respect to each other are present, is used for amplification of a burst signal. To achieve the largest possible eye opening of the signals to be fed to a comparator, a predetermined d.c. voltage difference for the formation of matched signals is adjusted for both output signals. After this, the arithmetic mean values of the two matched signals are formed and are fed to a second comparator. The output value of the second comparator is fed to an integrator, to which a reference voltage is also fed. In case of a deviation of the mean values of the two matched signals from each other, the amplifier is adjusted in a compensating direction by the integrator.
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