Providing DC isolation in switching amplifiers
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United States of America Patent
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-
Aug 24, 2004
Grant Date -
Feb 26, 2004
app pub date -
Jun 3, 2003
filing date -
Aug 23, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A switching circuit is described which includes an output switch having a drive terminal and a power supply terminal. Driver circuitry provides a drive signal to the output switch. Isolation circuitry provides DC isolation between the driver circuitry and the output switch. Transient control circuitry controls the drive terminal, thereby keeping the output switch off during stabilization of a supply voltage at the power supply terminal.
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