Found in a 90s Popular Electronics, this circuit aims to find the voltage of a zener diode up to approximately 20 V. The transformer may have a lower current.
This fast circuit was found in an ancient American documentation. Output conversion speed is 30 ns and...
The filter shown in the figure can operate with frequencies up to several tens of megahertz thanks...
This audio amplifier has an internal DC volume control with logarithmic characteristics and a...