Oscilloscopes are often an engineer's best friend, but that can change depending on how easy or difficult a given instrument is to use. Sure, the oscilloscope's capabilities and technical specs are critical, but if the machine is difficult or non-intuitive to interact with, the user ends up wasting time figuring out what should be simple.
30 July 2014
24 July 2014
Figure 1: A switch-mode power supply driving a fixed load
can be designed and optimized specifically for that load.
Having said that, there are some applications that by their very nature surpass four channels. Moreover, some of these applications concern circuits and devices that are produced in extremely high volumes. A case in point is switch-mode power supplies, such as those typically found in notebook PCs, tablets, or embedded systems.