This simple general-purpose transistor mixer was taken from an article in Electronics Now magazine in March 1994. You can choose a low-noise transistor such as the BC549.
The circuit shown in the figure consists of a phase shift oscillator and its components have been...
Powered by voltages from 6 to 12 V, this circuit from a Popular Electronics from the 90s,...
This circuit is nothing more than a voltage quadruplicator that can generate close to 1 000 V from...