This General Electric circuit, in a documentation from the 1960s, allows the use of high resistance resistive sensors with unijunction transistors in a relaxation oscillator.
This 1987 circuit uses a common ignition coil to generate high voltage to power a fluorescent lamp that...
This simple circuit, powered by 4 batteries or 9 V battery, brings together several functions of...
The purpose of this circuit is to couple an AM modulated circuit to an FM transmitter. The circuit...