EXPON_ENTIAL_VCO

Published:2009/7/14 4:58:00 Author:May | From:SeekIC

Can be driven with linear time base of voltage and used with logarithmic frequency display, as in frequency-response tests Useful range of circuit is four decades Values shown give timing-current range of 10 nA to 100 μA, yielding frequency range of 1 Hz to 10 kHz. Input voltage range of 60 mV per decade is obtained from voltage divider R1-R2 to allow higher and more practical value for actual input voltage to circuit. –W. G. Jung, IC Timer Cookbook, Howard W. Sams, Indianapolis, IN, 1977, p 174-179.



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