The transistor on this mixer can be any general-purpose transistor. The number of entries can be changed. We found it in an old documentation. Input and output cables must be shielded.
Indicated on an 80's Radio Electronics, this circuit provides at its output a voltage that is the...
This circuit was found in a Philips documentation from 1970. The components are of the time,...
The integrated circuit used in this application is not currently common and the sensor can be any...