This input circuit for an oscilloscope was found in Radio Electronics from the 90s. The operating circuit is from that time, and a modern equivalent can be tried out.
We found this 4-channel mixer in the August 1999 issue of Electronics Now magazine. The circuit can...
The configuration shown makes use of a simple source and the gain is given by the relationship between R3...
This circuit was found in a 1995 documentation and is very simple to assemble, as the components are...