We found this circuit in a 1969 General Electric documentation. The circuit uses transistors of the time and the diodes in the dotted board must be mounted on the output transistor heatsinks.
This unijunction transistor oscillator is intended for Morse code practice. The circuit is from an...
This basic tone control circuit employs a Philips NE5538 operational amplifier, but can be adapted to work...
August 2016 - It can be obtained from Mouser Electronics MDS adapters for medical use from Delta...