Means for Producing and Controlling Dead-Time of the Switching Transistors DC-to-DC and DC-to-AC Converters.
DEPARTMENT OF THE ARMY WASHINGTON DC
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A driver circuit is provided for producing and controlling the dead-time of switching transistors in DC-to-DC or DC-to-AC converter circuits to prevent cross conduction andor to control the output voltage as a function of that dead-time. Driver transistors are switched alternately ON and OFF and drive the switching transistors through a capacitor-shunted transformer primary having a charging current applied to a center tap thereon to predictably control the gradual application to and removal of base drive from the switching transistors, thereby predictably controlling the dead-time of the switching transistors and in some applications, the output voltage of the converter circuit also. The charging current may be either manually or automatically varied to vary the dead-time as desired. Author
- Electrical and Electronic Equipment