This RF amplifier step has a dynamic range of 140 dB and can amplify signals from 0.5 to 40 MHz. FET is old, but modern equivalents can be used.
This is one of many possible touch switch configurations using CMOS integrated circuits. The...
This circuit was found in documentation from the 1980s requiring a variable power supply from 0 to...
The integrated circuit used in this project is unusual and it includes internal transistors that...