This power source was found in a 1968 Electronics World. The transistors are from that time. The current of each output is limited by the transformer.
Two potentiometers mounted at right angles, so that they can be operated by a lever, form a very...
The purpose of this modified astable is to make the initial pulses have the same duration as the...
This circuit was found in an American 80's circuit board. The components used are current except the...