Low-noise direct-current 48V communication power supply

The utility model belongs to the technical field of communication, particularly relates to a low-noise direct-current 48V communication power supply, and aims to solve the problem that noise is continuously generated due to the fact that an existing device forms airflow through a cooling fan and dis...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LI LIKANG, ZHU JIASHU
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ALARM SYSTEMS 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 CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY GENERATION MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES ORDER TELEGRAPHS PHYSICS PRINTED CIRCUITS SIGNALLING SIGNALLING OR CALLING SYSTEMS TESTING
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