JK 4037 Flip Flop with Reset (CB25121E)

We found this circuit in the April 1988 issue of Radio Electronics magazine. The circuit can be reset electronically.

Tunable Simple Oscillator (CB4931E)
We found this circuit in an old documentation, using an operational of the time. The circuit...
Sequential without integrated (CB6768E)
This circuit is from a 1967 publication and applies to incandescent lamps up to 600 W. Triacs must be...
Programmable Regulator TL431 (CB4640E)
The TL431 integrated circuit consists of a programmable shunt regulator with an internal...