30 MHz Amplifier (CB5939E)

This low noise circuit was obtained from a 1980s US RF publication. Transistors used are uncommon today and the gain is 19 dB..

| Clique na imagem para ampliar |

Germanium Transistors Preamplifier (CB14732E)
This circuit was found in a 19the Raytheon documentation. The circuit can be assembled with modern...
Debouncer Circuit CIR11540S CB17572E (CB17572E)
This debouncer circuit was found in a 2001 documentation, serving as an input shield for...
Converter for TVRO subcarrier (CB9187E)
Found in Radio Electronics from the 90s, this circuit is intended for analog TV applications of the...