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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There is says that the sensor can withstand mW power, and even 0. This is all real gold on sapphire substrate! Still, there are many sensors around that are blown — why do so many people connect them to 0.
I had experience that the gold on 8481aa substrate was totally dissolved by normal Sn-Pb solder. I found there are four screws. Silver paste solder is an option? Good idea to bypass one of the thermocouples.
8481A Power Sensor
Leave a Reply Cancel reply Your email address will 4881a be published. Learn how your comment data is processed. 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 for some test purposes.
Save my name, email, and website in this browser for the next time I comment. It appeared on the market aboutand still today, these devices ph very much thought after. Quite some detail about this sensor can be found in the HP Journal, edition pages 19ff. This site uses Akismet to reduce spam.
A Power Sensor [Discontinued] | Keysight (formerly Agilent’s Electronic Measurement)
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. Notify me of follow-up comments by email.
All you need is a steady hand! I have no idea! Maybe pure indium solder could ease this phenomenon. I just purchased some pure indium and would begin experiment several days later. 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.
Absolutely, up silver epoxy is also used by in industrial production, fo GHz purposes.
SimonsDialogs — A wild collection of random thoughts, observations and learnings. Notify me of new posts by email. Could the epoxy still have good conductivity in the several GHz and microwave frequency? Never tried to use indium on sapphire substrate only used if for contacting ceramics-supraconductors. Your email address will not be published.
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E-solder or other type of silver conductive glue may work for some few years on such substrate and 8481aa. Will try to attach a SMD with some conductive epoxy. Note the capacity values — measures: