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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Capacitance Bridge (CB10666E)
This circuit is from a Popular Electronics from July 1990. The magazine no longer exists, but the...
High Q Active Notch Filter MC34071 (CB15281E)
Other operational amplifiers series, such as MC34072, MC34074, MC35071, MC35072, MC35074 d MC33071...
Inverting CMOS Amplifier (CB25577E)
This gain 10 CMOS op amp was found in the May 1993 issue of Electronics Now magazine. It is...