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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Microcontrolled Organ (CB5968E)
This 80's circuit uses a microcontroller programmed to generate various songs. The circuit can serve...
Beat Frequency Oscillator (CB1407E )
Connected to a shortwave receiver, this circuit is intended to enable the decoding of signals in...
Wireless microphone (CB9458E)
Operating in the FM range, this is one of the many versions of FM transmitter that the reader can...