Triangular generator (CB21445E)

Found in old documentation about neon lamps, this circuit produces very low frequency signals that depend on the selected capacitor.

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Oscillator with frequency triplicator (CB4052E)
The oscillator of this circuit operates around 8 MHz, but the output will be at a frequency three times...
Modulated alarm (CB22353E)
This circuit was found in English documentation from 1995. The circuit can be used in many...
Light Beam Voice Transmitter (CB18635E)
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