Audio light (CB8433E)

This audio level indication system for microphones was found in Radio Electronics from the 90s. The components used are common today.

| Clique na imagem para ampliar |

Commercial Radio SRF25 (CB18401E)
This 6-transistor Japanese radio from the 1960s used germanium transistors and had an output power...
Switching Regulator (CB14060E)
The circuit presented is from a 1972 RCA technical documentation. The integrated circuit consists of a...
Snitcher (CB21681E)
This is the name given to this small MW transmitter that can function as a wireless microphone. The...