Cost effective high performance circuit for driving a gas discharge lamp load
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United States of America Patent
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Mar 4, 1997
Grant Date -
N/A
app pub date -
Sep 2, 1994
filing date -
Sep 2, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A circuit for driving a gas discharge lamp load and including an EMI and transient supply filter coupled to an input source, a rectifier coupled to the filter, a power inverter coupled to the rectifier, a load including a transformer coupled to the power inverter, and a control circuit coupled to the power inverter and the load. A feedback circuit couples the load transformer to the AC side of the rectifier to create a path for transferring a feedback voltage over the rectifier to cause the rectifier to conduct current over a substantive portion of each cycle of the AC input voltage.
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