This regulator with current boost and short circuit protection was found in the LM2931 manual that is used in this case. The integrated circuit is not very common today.
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...