This circuit was found in the May 1982 issue of Radio Electronics magazine. The circuit inverts the polarity of a power supply to obtain a voltage of -5 V.
This circuit is from the National Semiconductor Audio Handbook. The amplifier operates with 6 V...
This switched filter was found in the 1969 documentation. The FET should be current-matched and eventually...
This independently charged circuit was found in a 1969 EEE. The operational amplifier supports a...