DIGITAL_TO_FREQUENCY

Published:2009/7/7 4:26:00 Author:May | From:SeekIC

Combination of multiplying DAC and 556 dual timer provides complementary output frequencies under con trol of digital input. Opamp and diode types are not critical. Output frequency of each timer depends on supply voltages, capacitor values,and setting of R1.-J. Wilson and J. Whitmore,MDAC's Open Up a New World of Digital-Control Applications,EDN Magazine,Sept.20、1978、p 97－105.



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