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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Reversible shunt motor control (CB8012E)
Found in Motorola's 1968 documentation, this control appears elsewhere in this section. The bridge...
Emitter Coupled RC Oscillator (CB6350E)
This circuit was found in an 80's Radio Electronics. The circuit makes use of general purpose...
Beat Frequency Oscillator (CB25648E)
This circuit uses a 455 kHz IF coil and is suitable for SSB listening on a standard receiver. It...