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Author Topic: A VNA for the rest of us?  (Read 2135 times)

Russell Ault

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A VNA for the rest of us?
« on: March 27, 2016, 12:02:50 am »

This may be a question without an answer, but I was wondering if anyone has a (relatively) inexpensive stand-in for a proper VNA? Basically, is there some combination of off-the-shelf bits (and, I'm assuming, software) that will approximate the measurement capabilities of a VNA, even just at wireless microphone frequencies?

Thanks!

-Russ
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Henry Cohen

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Re: A VNA for the rest of us?
« Reply #1 on: March 28, 2016, 11:48:14 am »

This may be a question without an answer, but I was wondering if anyone has a (relatively) inexpensive stand-in for a proper VNA? Basically, is there some combination of off-the-shelf bits (and, I'm assuming, software) that will approximate the measurement capabilities of a VNA, even just at wireless microphone frequencies?

http://miniradiosolutions.com/54-2/
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Henry Cohen

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brian maddox

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"It feels wrong to be in the audience.  And it's too peopley!" - Steve Smith

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Lyle Williams

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Re: A VNA for the rest of us?
« Reply #3 on: March 28, 2016, 03:07:39 pm »

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Lyle Williams

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Re: A VNA for the rest of us?
« Reply #4 on: March 28, 2016, 05:33:41 pm »

Inexpensive is all relative.  About USD$500 is the starting point for these devices.

There just isn't the demand to push prices lower.  Usb CRO's have got cheap, but CRO's probably outsell VNA's by 500:1.
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John Sulek

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Re: A VNA for the rest of us?
« Reply #5 on: March 29, 2016, 11:27:40 am »



http://www.arraysolutions.com/Products/VNAUHF.htm


This product was mentioned by Jason Glass a while back to test/tune antennas.
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Lyle Williams

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Re: A VNA for the rest of us?
« Reply #6 on: March 29, 2016, 04:08:14 pm »

I have added an external coax relay to mine so that forward (S21,S11) and reverse (S12,S22) measurements can be made without reversing the device under test.

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ProSoundWeb Community

Re: A VNA for the rest of us?
« Reply #6 on: March 29, 2016, 04:08:14 pm »


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