Clamping circuit for a television transmission system
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United States of America Patent
Stats
-
Mar 7, 1989
Grant Date -
N/A
app pub date -
Feb 2, 1988
filing date -
Feb 9, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A clamping circuit for a television transmission system, includes an input amplifier whose non-inverting input is connected to the input of the clamping circuit and whose output is connected to the output of the clamping circuit. A negative feedback loop is provided between the output of the clamping circuit and the inverting input of the input amplifier, the negative feedback loop including the series arrangement of a sample and hold circuit and two amplifiers functioning as integrators. A switchable filter switched by the same pulse which switches the sample and hold circuit is provided between the output of the clamping circuit and the signal input terminal of the sample and hold circuit.
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Family
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Cited Art Landscape
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