Negative Ion Generator (CB25366E)

We found this voltage multiplier circuit in a Radio Electronics magazine from December 1991. The high voltage transformer is an adapted flyback

| Clique na imagem para ampliar |

Voltage Controlled Ramp Generator with PUT (CB1539E)
We find this circuit in a 1974 Motorola PUTs (Unijunction Programmable Transistors) documentation. The circuit...
Diode Test (CB5328E)
Instead of the lamps, LEDs can be used in series with 470 ohm resistors. The circuit is from an...
Transistor Characteristic Checker (CB3903E)
With this circuit it is possible to raise the characteristics of a transistor by checking its gain...