Multivibrator with symmetric wave output

Published:2011/4/14 3:40:00 Author:Ecco | Keyword: Symmetric wave , output, multivibrator | From:SeekIC

The chart is as shown. Comparing with the general multivibrator, it adds a biased transistor VT1 to the charging circuit. VT1 can be fully conducted in the effect of R2; When C1 discharges, it will be completely closed. As the forward resistance is low(less than hundreds ohm) when VT1 switch and germanium diode arein the conducting state, it has little influence on charging and discharging time. Another advantage of this circuit is thatthe loading change has a minimal impact on the output voltage amplitude, duty cycle and oscillation frequency.



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