This circuit, of a Popular Electronics of 1969 is destined to firing a gas LASER of the time. The circuit makes use of a high voltage transformer for triggering.
This circuit indicates the logic level of a digital signal. LEDs can replace the lamp, wired with...
This oscillator was found in the July 1993 Electronics Now magazine. The coil is wound with...
I got this circuit from a magazine in 1967. The magazine no longer exists, but the circuit that...