An oscilloscope is a device that produces a visual trace of a voltage or current wave shape, generally on a cathode ray tube. The Agilent 54645D mixed signal oscilloscope seamlessly integrates logic channels into an oscilloscope to offer new measurement capability for designers of combined analog and digital systems. Analog and digital on one display, aligned in time, to help you isolate cause and effect in complex circuits. This unit is rack mounted but can be converted at extra cost. All TechRecovery oscilloscope products come with a 100 day warranty and a 10 day right of return. Contact us toll free: 1-877-TestUSA (1-877-837-8872) or email us with any questions.