We found this circuit in documentation from the 1980s. The component values are calculated using the formulas next to the diagram.
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...