This two-digit circuit was found in the 1999 Radio Experimenter Handbook. It uses the CA3161 and CA3162 A/D converter pair common at the time.
Author: Newton C. Braga Published:August 1, 1998 Formato:Book and e-Book Pages:...
This circuit is based on an operational amplifier that must be powered by a symmetrical source. The...
This circuit is from an old American documentation using LEDs in the rectification. The circuit...