This circuit was found in an 80's Poptronics. The circuit is a fast trigger whose signal can be taken from the Q2 collector. The supply can be done with voltages from 9 to 12 V.
The circuit shown is suggested by National Semiconductor in its 1994 Linear Applications Handbook. We...
This circuit generates a simple guess when you press CH1 and then release. The circuit can be...
This amplifier provides 20 W of power on each channel, containing separate filters to power a...