DC switching voltage converter for multiplying an input DC volta

Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter

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Details

315408, 315411, 323222, H02P 1322

Patent

active

045300437

ABSTRACT:
A DC voltage to DC voltage converter where the period of a controllable switch is maintained for a period which produces current and voltage levels which will not damage any of the converter circuit elements. First and second voltage supply networks are provided, each comprising an inductor, one end of which is an input of the voltage supply network, the other end connected to first and second diodes. The second diode serially connects the inductor with a capacitor. The junction of the capacitor and second diode correspond to an output of the voltage supply network. The second voltage network receives the output of the first voltage network. The first diodes of each voltage network are connected to a transistor switch which is terminated by serially connected third and fourth diodes. A winding serially connected the junction of the third and fourth diodes with the second network output voltage junction. A tuning capacitor across the fourth diode establishes a resonant current in the winding. A signal from the winding is coupled to the transistor switch for changing the state of the transistor switch. Voltages across the transistor switch are established by the resonant tuning capacitor to a safe level. The converter is useful for providing horizontal deflection in a picture display device.

REFERENCES:
patent: 3912972 (1975-10-01), Otten et al.
patent: 4099101 (1978-07-01), Teuling
patent: 4161675 (1979-07-01), Zappala

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