Sensitive Crowbar (CB5887E)

This circuit is from an 80's documentation, firing when the input voltage exceeds 5 V. The SCR can be the TIC106 need not have a heatsink.

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Wien Bridge Oscillator (CB25905E)
This low-frequency sine wave oscillator was found in the December 1995 issue of Electronics Now...
Fuse using the CK722 (CB22519E)
This circuit breaker uses an electromechanical device to open a circuit when current increases. The foot...
Astable Multivibrator (MSB016E)
This is the traditional configuration of na Astable Multivibrator using two NPN ttransistor....