This circuit is from Mullard 1969 documentation. The circuit operates at a relatively high supply voltage and has a 10 Vpp output. The transistors are of the time, but admit equivalents.
Figure bellow shows how the 4088 or 4018 can be used as a touch switch. Two metal plates separated by 1 mm...
This small transmitter can send its signals to a receiver placed at distances up to 100 m. The...
January 2017 - Pulse Electronics' new current sensing insulation transformers for automotive...