Silent start class D amplifier
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United States of America Patent
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-
Sep 8, 1998
Grant Date -
N/A
app pub date -
Jun 27, 1996
filing date -
Jun 27, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Start up noise in a class D amplifier--is corrected by adding an analog switch S1 to the integrator circuit A1. A resistor R3 in the feedback path of A1 prevents A1 from saturating. In an alternate embodiment silent start switch connects a variable resistance to the comparator input. The resistance gradually increases.
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