This circuit uses uncommon Texas Instruments components today. The circuit is from an American documentation. Transistors are commonly used PNP. The display is 7 segment multiplexed.
This 2005 Linear Technology circuit has separate outputs for monitoring the charge and discharge...
This circuit was suggested by General Electric in a 1965 documentation. The circuit can be...
Found in the March 1989 issue of Radio Electronics magazine, this circuit is used to test printer and...