Pulse width power supply modulator
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United States of America Patent
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Oct 15, 1996
Grant Date -
N/A
app pub date -
Jul 7, 1995
filing date -
Jul 8, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A pulse width modulation type power supply modulator capable of operating at high switching frequencies (>10 MHz) is achieved by eliminating resonant circuits which limit the maximal switching frequency. The modulator includes a power circuit including a power transistor, a first control circuit connected to the gate of the power transistor and a second control circuit connected to the output of the power circuit. In a preferred embodiment the active components are isolated from each other by areas of metalization on a printed circuit to minimize unwanted coupling and the electrical lengths are minimized.
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