Switch with automatic shutdown (CB21258E)

This circuit was found in Maxim documentation from the 1990s. The RC circuit determines the trigger time.

Headlight switch (CB7259E)
Found in a Popular Electronics from the 80's, this circuit makes use of a time integrated to...
Noise generator (CB23830E)
This random noise or white noise generator was published in Radio Electronics magazine in July...
LED Antiphase PWM Control (CB17289E)
With this circuit it is possible to control two LEDs of different colors, making their color...