This circuit was found in the March 1979 issue of Radio Electronics magazine. Integrated circuits must be equipped with heatsinks. The maximum current is 1 A.
The frequency depends on the coil and is not found in the original documentation but should be...
This is a device for those who need to show that they know how to use digital electronics but have...
Using an operational amplifier with FET, this circuit from a 1977 publication can generate...