This circuit consists of an inverter powered by only 4.5 V. The circuit is from a 1967 Mullard documentation. No information was provided on the transformer winding. Capacitors can be 1.5 nF x 3 kV.
With this name the LED effects circuit presented was found in the Electronics Now magazine of...
This circuit is from an American documentation from 1976. The FET can be the BF245 or MPF102 and...
When the base of the general purpose transistor is grounded the circuit produces a signal that is given...