This circuit was found in documentation from Analog Devices from the 90s. The circuit uses components from that time, which are not common today. It serves as a reference.
More inputs can be added to this adder that we found in the January 1995 Electronics Now magazine....
This filter was found in an American publication from the 1980s. The circuit can be implemented with...
Found in a 90s American documentation, this circuit can be used as a shield, just change the...