This circuit was found in Motorola's 1968 documentation. It can be built on current equivalent components. The bridge diodes and the SCR must be in accordance with the current of the controlled motor.
This is the project found in a 1981 publication, but it is still viable. It is a simple AM...
The CMOS 4046 integrated circuit is not very common today, consisting of a very efficient PLL for...
Using a window comparator, this circuit trips over a certain range of input voltages. Formulas for...