This circuit is from Electronics Now magazine, February 1987. The number of channels is high depending only on the distances of the stations and the losses in the cables.
This VCA was found in the July 1988 issue of Radio Electronics magazine. It uses an OTA op amp and...
This configurable CMOS configuration for frequencies up to a few megahertz was obtained in an...
The purpose of this 2005 circuit is to demonstrate in a very simple way the principle of operation of a...