Circuit for detecting and controlling simultaneous conduction of two switches connected in series
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United States of America Patent
Stats
-
Jul 15, 1980
Grant Date -
N/A
app pub date -
May 10, 1978
filing date -
Jun 9, 1977
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A switching system is described for use in for example AM transmitters comprising at least one pair of semi-conductor output switches connected in series across an AM modulated D.C. supply and arranged to be operated sequentially by a series of 'on' and 'off' command signals to energize a load, such as an antenna. The circuitry provides a delay interval between the 'off' command to any one switch and the 'on' command to the next switch in the sequence. Means are provided for detecting when two successive switches in the sequence conduct simultaneously, and means are provided for increasing the duration of the delay interval when such simultaneous conduction is detected.
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