This 1965 circuit consists of a small inverter for an ultraviolet lamp. The circuit is from a Motorola manual and the transformer must be wound on the core indicated in the diagram.
This circuit was found in 90s Radio Electronics. The transistor can be any general purpose....
The circuit below shows how to obtain a monostable from a CMOS 4013 flip-flop. The actuation time...
This circuit is from Philips' 60s documentation. The circuit can be applied to modern operational...