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 published in the November 1964 Radio Electronics magazine powers a light bulb but can...
We found this circuit in an American documentation of the 80's, being indicated for the test of...
This circuit appears elsewhere on this site. This is from an American 80's circuit manual....