HP 8481A PDF

Up for sale is a used HP A Power Sensor as can be seen in the pictures. This item is in working condition, however, it’s sold as-is, as described. Nothing. A remarkable HP product, the HPA sensor. It appeared on the market about , and still today, these devices are very much thought. Agilent / HP A Power Sensors 10 MHz to 18 GHz, 1 uW to mW, Refurbished HP Agilent Hewlett Packard – Used Test Equipment at Test Equipment.

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Never tried to use indium on sapphire substrate only used if for contacting ceramics-supraconductors. Quite some detail about this sensor can be found in the HP Journal, edition pages 19ff.

Silver paste solder is an option?

Will try to attach a SMD with some conductive epoxy. Maybe if the reference is blown, and you replace it by a resistor, you could still get some readings from the power meter, with very much offset baseline, and accuracy would be gone anyway, but may still be usable 8841a some test purposes. Good idea to bypass one of the thermocouples. I have no idea! Maybe pure indium solder could ease this phenomenon.


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I had experience that the gold on sapphire substrate was totally yp by normal Sn-Pb solder. Notify me of follow-up comments by email. Absolutely, conductive silver epoxy is also used by in industrial production, fo GHz purposes. It appeared on the market aboutand still today, these devices are very much thought after. I found there are four screws.

I just purchased some pure indium and would begin experiment several days later. Learn how your comment data is processed. Save my name, email, and website in this browser for the next time I comment.

E-solder or 848a type of silver conductive glue may work for some few years on such substrate and geometry. Could the epoxy still have good conductivity in the several GHz and microwave frequency? Your email address will not be published.

There is says that the sensor can withstand mW power, and even 0. Note the capacity values — measures: This site uses Akismet to reduce spam.


HP Hewlett Packard A RF Power Sensor 18ghz 50ohm | eBay

Hi Rene, to measure if the elements are defect, you need to remove the sensor element from the device which is a bit tricky, because of the gold wires, etc. This is all real gold on sapphire substrate! Notify me of new posts by email.

Still, there are many sensors around that are blown — why do so many people connect them to 0. The conductive epoxy I can recommend is E-Solderit is not cheap, but if you keep it in the fridge not freezer it will keep well for a long time.