Triggered Oscillator (CB18275E)

The circuit shown in the figure generates a rectangular signal that depends on R and C, when its input goes to the high level.

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20 W BTL Automotive Amplifier TDA2005S (CB15241E)
This circuit has a gain of 34 dB and a good power to be used as an audio booster in cars. The...
Triangular generator (CB22370E)
The oscillator circuit is an ICM7556, the dual CMOS version of the 555. The frequency depends on...
CMOS piezo shield (CB8115E)
Found in Popular Electronics from the 90s, this circuit can be used as a warning shield for...