Products > Test Equipment
Flood of new Agilent 82357B GPIB-USB adaptors on eBay the real deal?
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philpem:

--- Quote from: edavid on August 12, 2015, 07:45:46 pm ---
--- Quote from: philpem on August 12, 2015, 06:26:09 pm ---Well damn... I've just put in an offer in on this one:
http://www.ebay.co.uk/itm/261397671097?_trksid=p2060353.m2763.l2649&ssPageName=STRK%3AMEBIDX%3AIT

Wish I'd seen the comments about them being knock-offs first...  |O

--- End quote ---

You can withdraw the offer.

--- End quote ---

They've just sent me a counter-offer of $110, same as they've done for other people here. I've got the option of accepting, rejecting, or sending another counter-offer back.

What's making me curious is where they're getting the Agilent custom GPIB controller chips... surely there aren't that many broken 82537Bs kicking around with working chips they can salvage?
dadler:
They accepted $51 for the explicit clone.
rfeecs:

--- Quote from: philpem on August 13, 2015, 12:07:48 am ---What's making me curious is where they're getting the Agilent custom GPIB controller chips... surely there aren't that many broken 82537Bs kicking around with working chips they can salvage?

--- End quote ---

It seems to be readily available:
http://www.digchip.com/datasheets/quote.php?action=search&pn=1822-0639

I think it was used in other Agilent equipment as well.
radioFlash:
Here are photos of my ebay 82357B. Differences compared to the "genuine" photos posted by rfeecs:

* PCB doesn't have "Agilent" anywhere on it
* The oscillator by the Cypress IC is a cheap ass oscillator that would be at home in a $2 watch
* There are no stickers on the ICs on the bottom of the PCB
* The interior of the case isn't metallized
radioFlash:
...and the interior of the case
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