This negative bias circuit provides negative voltages from 3.5 to 6.5 V sources. The circuit was found in the April 1995 issue of Electronics Now magazine.
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...