Scr Capacitor Turn-Off Circuit


Posted on Aug 21, 2012

After the SCR turns on, CI charges up to almost the full supply voltage via R3 and the anode of the SCR. Whe


Scr Capacitor Turn-Off Circuit
Click here to download the full size of the above Circuit.

n S2 is subsequently closed, it clamps the positive end of CI to ground, and the charge on CI forces the anode of the SCR to swing negative momentarily, thereby reverse-biasing the SCR and causing it to turn off. The capacitor"s charge bleeds away rapidly, but it has to hold the SCR"s anode negative for only a few /is to ensure turn-off. CI must be a nonpolarized type.




Leave Comment

characters left:

New Circuits

.

 


Popular Circuits

Electronic Keypad
Loudspeaker Protection circuit
2 Watt VHF linear amplifier
Mosfet amplifier schematic 25 Watt
Adjustable oscillator
PLL Hum Cancellation Circuit
piano
4 X 15 Watt power amplifier
Simple and practical human approach detector circuit diagram
Astable Multivibrator
Two electric motors has started manual and automatic control circuit



Top