6VDC Amplifier (T485E)

This drum amplifier was found in an American documentation from 1947. It makes use of a mechanical vibrator to generate high voltage for the tubes.

| Clique na imagem para ampliar |

Point controller (CB22196E)
Based on common components, this circuit was found in an English publication. The circuit is...
RF Probe (CB5873E)
This circuit is from the 80's, making use of components of the time. What the circuit does is...
PLL Digital Metronome (CB18753E)
We found this digital CMOS circuit in a documentation from the 90s. The circuit generates signals...