Vdeo cable driver (CB20922

This circuit was found in documentation from the 1980s. The integrated circuit used is not very common today.

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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...