Electronic Fuse (CB25411E)

This circuit was found in the December 1991 issue of Radio Electronics magazine. The circuit is based on a current transformer driving a SCR.

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Transmitter for echo probe (CB22356E)
We found this circuit in an English documentation from 1995. The circuit makes use of common...
Sustain effect (CB6712E)
This circuit was found in an Electronics World of 1968. The transistor can be any general purpose and...
FM Transmitter with a Tunnel Diode (CB12230E)
This micro FM transmitter uses a tunnel diode as an oscillator. I found it in an English...