This circuit is from the 1983 Intersil Databook. The circuit has an A / D converter for display of 4 and a half digits being powered by a voltage of 9 V.
Published in Radio Electronics magazine in May 1963, the purpose of this circuit is to visualize the...
A low voltage heating element (up to 30 V) with a current of up to 3 A can be precisely controlled with...
We found this circuit in a documentation from the 90's. The circuit can be assembled with 741...