[time-nuts] Flood of low end priced VNAs on FleeBay
mfeher at eozinc.com
Wed Jun 2 16:36:42 UTC 2010
Wow - when I sent you the link for these parts I never imagined they would
go for that much. Considering what you paid for yours, you may be better off
parting it out and getting another one. Sometimes the sum of the pieces is
worth a lot more than the whole. Regards - Mike
Mike B. Feher, N4FS
89 Arnold Blvd.
Howell, NJ, 07731
From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
Behalf Of J. Forster
Sent: Wednesday, June 02, 2010 12:21 PM
To: Discussion of precise time and frequency measurement
Subject: Re: [time-nuts] Flood of low end priced VNAs on FleeBay
VNAs are very expensive toys. I have an HP 8753 and was just outbid on a 6
GHz source assembly. :((
Mine has a very complex multi-chip RF Hybrid that has a partial failure,
so it only goes to 3 GHz. That's a serious problem with modern high-end
microwave gear, if anything dies, you're prettry much screwed.
> 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 :)
>> 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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