This circuit has a 2 V full scale using a 4-and-a-half-digit A / D converter. The circuit is powered by a voltage of 9 V. We found this configuration in the 1983 Intersil Databook.
All the components used in this 1997 circuit are still common in our market. The circuit must be...
This old receiver (1967) uses germanium transistors from the time and coupling transformers,...
This circuit is from Motorola's 1993 Linear Interface ICs. The circuit must be powered by a...