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 |

Rhythmic Sequential (CB18165E)
We found this circuit in a 1982 publication, but all the components used are still common in our...
Voltage Doubler (CB17076E)
This simple voltage doubler provides a continuous voltage at its output that is twice the peak...
Cricket (CB200E)
This circuit uses three oscillators to produce a sound similar to a cricket chirping. Two...