This circuit of dozens of watts uses germanium transistors and the critical components are transformers. The circuit is from the 1960 Mullard transistor application manual.
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...