Powerful IR Emitter (CB26030E)

This modulated circuit was found in the November 1997 Electronics Now magazine. The power transistor can be any MOSFET,

| Clique na imagem para ampliar |

Nixie or Neon Driver (CB6693E)
This circuit was found in 1966 General Electric documentation. The circuit uses components from the era...
Morse Messenger (CB21089E)
We found this circuit in a magazine 73 for radio amateurs from the 80's. The circuit makes use of an...
Code Practice Oscillator (CB940E)
This circuit uses one of the first comercial transistor and is from a 1958’s magazine. Tone...