This filter was found in Delco's 1965 documentation. It can be implemented with modern components according to the voltage and current to be regulated.
This circuit also makes use of a field effect transistor (JFET) which can be the BF245 and has an...
We found this small FM transmitter in a 1980 publication. What sets it apart from traditional...
A wire vibrating between the poles of a magnet works as a frequency pattern in this oscillator found in...