This circuit is from the 1968 ARLL documentation. The MOSFET admits equivalent and the coil determines the operating frequency range being the plug type.
Shunt-type regulators are connected in parallel with the load by diverting the current to behave as a...
Found in a 90s Popular Electronics, this circuit is based on a common CMOS component. The circuit...
Found in an October 1992 Radio Electronics magazine article, this circuit generates a low-power tone in...