We found this automotive regulator circuit for alternators in a 1965 Motorola manual. The power transistor must have a heatsink.
Found in a 1964 Electronic Design this circuit compares two signals by providing the inverse of the...
In the figure we have the way of modulating in frequency the rectangular signal generated by an...
This multivibrator with the 4001 was found in the November 1974 Radio Electronics magazine. The...