Using the LM3909 this circuit was found in the January 1992 issue of Radio Electronics magazine. Resistor R1 should be chosen according to the table given next to the diagram.
Found in ancient documentation, this circuit uses a high voltage transistor of the time. Observe...
A 100 nF capacitor and 100 uH inductor form this circuit suggested by General Electric in a 1964...
We find this simple circuit that operates at a frequency of 5 to 10 MHz in an old English...