Another of the many tachometer circuits we have on our site. This one is from the September 1976 Radio Elecronics magazine. The circuit is connected to the platinum contacts of a car or to a sensor.
We found this circuit in an English publication from 1982. The power MOSFET can be of any type and the...
This circuit is an impedance adapter. The circuit is from a Radio Electronics from April 1966. The...
This circuit was found in a 1997 magazine. It uses a CMOS 4060 circuit powered by 12 V which is...