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LINEAR_PWM_FOR_05_TO_175_V

2017-03-11 09:27  
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LINEAR_PWM_FOR_05_TO_175_V
Tubes V4 and V5 form bistable mvbr that will accept modulation voltage range of 350:1 from 0.5v to175 v, at point A. V3 is Miller ntegrator.Wilh 0.055 mfd for C1, pulse lengths are 61 and 173 millisec for limits of modulation voltage. Linearity is nearly perfect.-J,E,Frecker, A Pulse Width modulator, EEE, 10:12,p 28-300