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A switching regulator is provided with a separate or isolated d-c output for operating the switching pulse generating circuits. A large value resistor coupled between the d-c input line and the isolated d-c output will charge the filter capacitor to a higher than normal voltage. A zener diode string...

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Bibliographische Detailangaben
1. Verfasser:	DAVIS, WALTER R., SUNNYVALE, CALIF., US
Format:	Patent
Sprache:	ger
Schlagworte:	APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION
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Beschreibung
Zusammenfassung:	A switching regulator is provided with a separate or isolated d-c output for operating the switching pulse generating circuits. A large value resistor coupled between the d-c input line and the isolated d-c output will charge the filter capacitor to a higher than normal voltage. A zener diode string is coupled across the filter capacitor. The zener diodes in combination have a higher than nominal zener voltage. The diodes will respond to the capacitor voltage and develop a starting pulse that initiates the power supply when it is first energized.