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.
This circuit was originally designed to measure capacitance with an ICL7107 but can be used with...
This circuit was found in the October 1989 issue of Radio Electronics magazine. It drives an...
A voltage of 13.5V with a current of up to 5 A can be obtained with this high current regulator stage...