In the figure we have one of the many ways to program the counting of a 4017. The circuit uses additional gates and was found in the Radio Electronics magazine of April 1989.
In the figure we have a very simple trigger circuit for an SCR that powers a 12 V lamp whose...
With the use of precision resistors and capacitors, this circuit with programmable unijunction transistor...
This 15 W power stage was found in Radio Electronics magazine from August 1959. The transistors are the...