This circuit was found on an 80's Ham Radio. The transistor admits equivalent. The circuit can generate 20 to 100 MHz signals operating at the fifth harmonic of the crystal.
This circuit using components that are still common in our market was found in a 1987...
This circuit was obtained in a 1998 publication, but it can be easily assembled. The circuit...
Found in a 73 magazine for radio amateurs of the 90s, this circuit provides a 2 kV voltage with 7.5...