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.
This 3-channel transmitter for amateur analog TV from 902 to 908 MHz was found in a QST magazine...
The MC1455 integrated circuit consists of a version of the 555 made by Motorola. The circuit given...
The figure shows how to use the LM3900 to drain current from a load of up to 20 mA with the...