One simple second pulse source circuit

Posted on Nov 10, 2015

It consists of single-junction transistor VTi, resistance Ri, potentiometer RP, capacitor C consisting of relaxation oscillator and amplifier transistor VTz.

One simple second pulse source circuit
Click here to download the full size of the above Circuit.

Adjustment potentiometer RP, can change the relaxation oscillation frequency to give 0. 1 ~ 15s time base pulse. After this pulse by VTz amplified output square wave pulse, as the time counter input signal.

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