eHam.net Reviews - Array Solutions AIM 4170 by W5BIG

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Categories | Antenna Analyzers | Array Solutions AIM 4170 by W5BIG

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G8JNJ	Rating: 5/5	Feb 17, 2009 09:13	Send this review to a friend!
The best for antenna measurments			Time owned: 3 to 6 months
What a great piece of kit. I bought this after using a Mini VNA for some time. Although the mini VNA is very useful, I found the accuracy and measurement range of the AIM 4170B to be much better, especially WRT impedance (which can be measured up to 5K ohms as opposed to the mini VNA limit of about 2K). I use both the supplied software and Zplots with the unit and find them both extremely useful (I just wish Zplots would update in real time as it does with the mini VNA). Downsides. Having used the mini VNA, I wish the AIM 4170B used an USB interface (also to power it) as having to use an RS232 lead and USB converter as well as a separate 12v power supply is a real pain. Especially as you really need to string ferrite beads on the cables to minimise interaction with the device under test. I also wish it was a two port device like the mini VNA, so that it could be used to measure through loss, and that the upper frequency limit was a bit higher. However these are only minor complaints. If you are a serious experimenter - buy one of these, you will learn more about antennas and matching in half a day than many other folks will in a lifetime.

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