[time-nuts] Flood of low end priced VNAs on FleeBay

Richard (Rick) Karlquist richard at karlquist.com
Wed Jun 2 15:58:37 UTC 2010

We have a bunch of sweepers at work, and many of the them have
died and can't be fixed.  The only way they can be repaired is
to cannibalize one to fix another, assuming they don't have
the same bad module.  We have given away an 8510 to a school
and have others gathering dust.


jimlux wrote:
> Steve Rooke wrote:
>> Just noticed there is a flood of lower end priced (<$5k & <<$5k) VNAs
>> on FleeBay just in case anyone is looking for one. No need to thank
>> me, just buy me one as well :)
>> Steve
> Interesting... be aware that a lot of those 8510s aren't the whole 
> analyzer, just the display or RF section, without the source (sweeper). 
> ANd not just any sweeper will do.. you need one that the 8510 can 
> control over GPIB and that has the right sync in and out.
> A full 8510 has 3 or 4 boxes (depending on whether it has the 
> s-parameter test set).  And, they're getting mighty long in tooth and 
> tricky to fix.  I've got a cranky one at work that locks up 
> occasionally, and we've been trying to figure out why.
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