/technologies/test-and-measurement/b/blog/posts/analog-discovery-3---oscilloscope-noise-floorBackground Today I have checked the input noise floor of the oscilloscope channel in Analog Discovery 3. By default, both oscilloscope channel inputs of the Analog Discovery 3 are not shielded. It is mentioned in this thread: https://forum.digilent.cen-USTelligent Community 12