This circuit is from a Mallory 1968’s documentation. The integrated circuit is of the time and the transistor admits equivalents.
The 60 Hz hum or noise from the power grid (hum, in English) is one of the biggest enemies of...
The 4028 CMOS IC not only contains the complete decade counter, but also the 7-segment decoder...
This circuit was found in an Electronic Design from the 80's. It shows how to use a MOSFET driver with...