This TTL circuit is from a Radio Electronics magazine from November 1983. The circuit drives a set of LEDs. The integrated circuit used is a BCD to decimal decoder.
The four gates of a 40111 IC are used in thes two-out circuit. The output chages their state in a...
This low power, low voltage circuit was found in old General Electric documentation. Transistors may...
This grounding test circuit was found in an American 80's documentation. The circuit is for the...