This circuit is from the 1968 ARLL documentation. The MOSFET admits equivalent and the coil determines the operating frequency range being the plug type.
August 2017 - Texas Instruments is making available through Mouser Electronics the new integrated...
This circuit for audio signals was found in the March 1990 Radio Electronics magazine. The circuit...
Found in an English publication from 1967, this circuit generates 5 kHz signals with harmonics that...