Published:2009/6/30 2:35:00 Author:May | From:SeekIC
Variable-output converter using NE555 timer delivers negative output votage required by some interface devices and D/A converters used with microprocessors.—S. Ciarcia,Build a 5 W DC to DC Converter, BYTE,Oct,1978、p 22, 24, 26, 28, and 30-31.
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