This circuit covers 400 kHz to 40 MHz in three bands according to the selected coil. The double MOSFET allows equivalent, since the original is not easy to obtain.
This oscillator was obtained in a 1960 transistor manual from Sylvania. The transistors are from...
This circuit was found in a 1994 documentation. Its signal is applied to any small integrated...
In the figure we have a two-stage amplifier circuit showing the voltages at various points. The...