This circuit was found in Motorola documentation from 1966. The lamps are according to power and current according to the components used which are uncommon 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...