This interface shield circuit is from the 1983 Intersil Databook. The components used are uncommon today. ADCs are low-cost digital converters. The power source voltage must be 5 V.
This circuit was found in a 1975 documentation. Operational amplifiers must have a symmetrical source and...
Found in an American publication, this circuit makes use of transistors from the time. Components can be...
This circuit was found in a 2002 documentation. The RF output power transistor must be mounted on a...