This circuit was found in a 1966 EEE. What it does is it converts the logic levels of 0 V and +4 V into -6 V and +6 V. Some older type transistors can be replaced by modern equivalents.
Found in the July 1993 Electronics Now magazine, this circuit provides an output voltage whose...
The astable multivibrator shown by figura 1 has a very low current drain and can be powered from 6...
This series LED circuit was found in the February 1992 issue of Radio Electronics magazine. The...