This QST circuit generates 4 frequency signals according to the crystals used. Transistors admit equivalents although the indicated types can still be found with some ease.
This is a circuit published in the January 1962 Radio Electronics magazine. The circuit is for...
The presented circuit is suggested by Texas Instruments (www.ti.com) in its Application Report...
We found this circuit in an American documentation. The power of the load, in this case,...