Fancy instruments can do some other measurements, but that’s really the heart of it. You feed that into some component or network of components and then you measure the power you get out compared to the power you put in. You sweep a frequency generator across some range of frequencies. In its simplest form, there’s not much to an NA. However, in that same post, I mentioned I’d look at the device’s capabilities as a network analyzer (NA) sometime in the future. You might recall I generally liked it, although I wasn’t crazy about the price and the fact that the BNC connectors were an extra item. A while back, I posted a review of the Analog Discovery 2, which is one of those USB “do everything” instruments.
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