Jacob's Ladder (CB21079E)

This circuit was found in American documentation from the 90's. The transformer is of the high voltage type for old light advertisements.

| Clique na imagem para ampliar |

Current and Voltage Protector for Op Amp (CB26256E)
We found this protection circuit for op amps in the Encyclopedia of Electronic Circuits Volume 5 from...
JFET Tone Control (CB20011E)
The use of field effect transistors in this circuit improves its performance. This configuration is from a...
High-gain amplifier (CB9019E)
Found in old American documentation, this circuit makes use of operational amplifiers from the 70s...