This temperature compensated circuit was found in a 1980s American documentation. The power supply is made with 5 V which allows its use as a shield.
Found in a 1960 Sylvania manual, this circuit can be implemented with a modern equivalent...
This configuration, already presented in other points of this section and website, is of a...
We found this precise crystal oscillator for the 144 MHz band, depending on the crystal used. The...