Triac Dimmer 2 (CB20704E)

This double time constant circuit for resistive loads was found in documentation from the 1980s. The triac must be equipped with a heat sink.

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1kHz Triggered Oscillator 555 (CB25513E)
We found this circuit in the October 1992 Radio Electronics magazine. The frequency is given by C1...
PNP Mini Flasher (CB17511E)
This conventional LED flasher circuit has a configurable multivibrator configuration with PNP...
1-cycle-per-30-day oscillator (CB26073E)
This extremely slow circuit produces one pulse per month and can be used in a timer. We found it...