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

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Compact Infrared Receiver (CB4897E)
The components used in this 80's circuit are uncommon today. The circuit is intended for...
Short circuit eliminator for batteries (CB9541E)
The purpose of this circuit is to produce a quick discharge on a shorted battery to attempt its...
Vibrato (CB3823E)
We find this vibrato configuration with transistors in a 1987 documentation. The components are still...