This bargraph circuit was found in the January 1986 issue of Radio Electronics magazine. It is based on the well-known LM3914 and has two of them in cascade driving a good number of LEDs.
This circuit from an old 1978 publication uses germanium transistors but can be implemented with...
This amplifier was obtained in a Harris documentation from the 90s. The circuit is high speed with...
Author: Newton C. Braga Published:August 1, 1998 Formato:Book and e-Book Pages:...