This circuit found in the February 1992 issue of Radio Electronics magazine is designed to adapt an audio signal for use in a computer's ADC. It can be adapted to operate with microcontrollers.
This circuit is from an old documentation. Integrated circuit 723 is not common today. The power...
The TL431 integrated circuit consists of a programmable shunt regulator with an internal...
This circuit was found in a publication from the 50's. The circuit uses germanium transistors of...