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 a 1978 British magazine, but it can still be mounted by simply replacing the...
In the figure we show a circuit in which the output voltage of a 78XX voltage regulator is...
This circuit is from an old technical documentation, used to monitor the voltage of a 12 V...