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Author Topic: HP 8722D  (Read 500 times)

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Offline bdunham7Topic starter

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HP 8722D
« on: August 26, 2020, 04:45:43 pm »
A local surplus place I sometimes buy from has this for sale (ending soon!) and I'm a bit surprised at the bids.  Other than a deep-pockets company or government lab that would just buy new anyway, who would be in the market for this monster and what would they do with it? 

https://www.ebay.com/itm/HP-8722D-Microwave-Network-Analyzer-50mhz-40ghz-Options-000-010-1D5-040-085/274464859134?epid=10002488858&hash=item3fe76163fe:g:68QAAOSwK2ZfPW-H
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A 3.5 digit 4.5 digit 5 digit 5.5 digit 6.5 digit 7.5 digit DMM is good enough for most people.
 

Offline MadTux

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Re: HP 8722D
« Reply #1 on: August 26, 2020, 08:40:42 pm »
Look at the prices of new VNAs with similar specs, then the $14k is kinda cheap, if you really need a VNA.
What to do with it? Measure S-parameters of the components you're interested in, between 50MHz-40GHz.

40GHz is a bit much for my hobby stuff, but a VNA from like 0-3GHz to measure things like amplifier gain/phase is a nice toy to have, much more accurate/easy to use than with oscilloscope, so I kinda understand why people pay that much, especially if it goes up to 40GHz.
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