The frequency of this circuit depends on the crystal. The transistor supports a modern equivalent. We found it in documentation from the 1980s.
We found this circuit in an old publication on oscilloscopes. Its purpose is to observe the Ie /...
This is another one of the many versions of electronic data that we have on this website. Once...
Found in documentation for radio amateurs of the 70's, this circuit generates signals from 18 to 24...