Found in na 1980’s English magazine, this circuit produces a strong modulated tone reproduced on a speaker. The power MOSFET can be of almost any type.
This circuit was found in Motorola documentation from 1969. The transistors are from that time. The...
The XR2206 integrated circuit consists of a complete function generator. It is not a current...
) Found in a 90s Linear Technology documentation, this circuit is a fading of video signals and...