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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Mini Electronic Organ (CB5008E)
This circuit was obtained from an English magazine from 1977. It is a toy musical instrument that...
New x86-Based Intel Quark Microcontroller and Developer Kit D2000
April 11, 2016 - Mouser Electronics, Inc. is pleased to announce the availability of the new ...
Field Strength Meter (CB6538E)
Found on Popular Electronics this circuit has variations found throughout this site and section....