The ADC801 is not an easy component to obtain today, but the configuration is worth reference. The circuit is from National Semiconductor's Linear Applications Handbook.
This S-meter or signal strength meter, was originally designed for the 80's Regency receiver, but can...
This circuit is intended to reduce the 12V from a car outlet to 9V. The current is in the order of a...
This sensitive millivoltmeter for alternating voltages was found in a French publication in 1996...