2 m range converter (CB20263E)

This converter for the 150 MHz band was found in an American documentation. Transistors are uncommon today and equivalents can be used.

| Clique na imagem para ampliar |

VCR Amplifier (CB25269E)
This circuit for VCR recording heads was found in the February 1990 issue of Radio Electronics magazine....
Simple continuity tester (CB7955E)
This very simple continuity tester uses a small 1.5 V lamp (type used in flashlights). Can be...
Transistor Radio TR3B (CB18388E)
This commercial radio with 3 earphone listening transistors was manufactured in Japan in the...