The figure shows how to obtain a pulsating continuous signal from an alternating signal using only one diode. The load resistor depends on the application.
The frequency of this oscillator depends on the crystal used and the transistors. The circuit was...
This circuit shows how to use the 4007 MOSFETs in an amplifier stage. We found it in an...
This circuit was found in a 1967 Japanese documentation. It consists of a touch control system with...