NE602 Crystal Oscillator (CB26005E)

This oscillator reaches 50 MHz with an overtone crystal. The circuit is from Electronics Now magazine from February 1997.

Calculator to timer converter (CB9601E)
This circuit allows you to use a calculator as a timer by directly activating a sum key with...
DC Motor Control (CB5376E)
This PWM control circuit was found in an old documentation, but appears elsewhere on this site...
Regulator from 0 to 25 V x 1 A (CB1193E)
The advantage of this circuit lies in the fact that it does not need a negative source to generate...