This circuit was found in a 1970 US publication. Transistors are still common and the circuit can be used as a PWM shield or pulse transmission modulator.
We found this circuit in an old Signetics documentation. The integrated circuit is of the time,...
The purpose of this circuit is to enable testing of transistors using a common multimeter. With the...
April 2017 - Mouser Electronics already has in stock the Texas Instruments' new TPS54418A...