Radar detector (CB8628E)

Found in a 90s Electronics Engineering, this circuit makes use of components of the time. The critical component is the microwave sensor diode.

| Clique na imagem para ampliar |

Digitally controlled audio switch (CB12748E)
This circuit can serve as a basis for a digital mixer or simply for a noiseless switch of audio...
Microphone mixer (CB7988E)
This traditional mixer configuration with a high input impedance was found in a 90’s Popular...
1-transistor radio (CB20247E)
This medium wave radio works with any general purpose NPN transistor. The diode must be made of...