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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Astable 4093 (CB15973E)
In the figure we have the astable configuration for the 4093 that serves as a clock for...
Harmonic Distortion Meter (CB26186E)
This complex circuit was found in the 1993 edition of the Electronics Experimenter's Handbook. Most of...
Treble Booster (CB10990E)
This circuit was obtained in a 1979 English magazine. This circuit is a treble filter that,...