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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I found there are four screws. Good idea to bypass one of the thermocouples.
8481A Power Sensor
Absolutely, conductive silver epoxy is also used by in industrial production, fo GHz purposes. Never tried to use indium on sapphire substrate only used if for contacting ceramics-supraconductors.
Note the capacity values — measures: Could the epoxy still have good conductivity in the several GHz and microwave frequency? Quite some detail about this sensor can be found in the HP Journal, edition pages 19ff.
All you need is a steady hand! Notify me of new posts by email. Silver paste solder is an option? Save my name, email, and website in this browser for the next time I comment.
SimonsDialogs — A wild collection of random thoughts, observations and learnings. 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. Notify me of follow-up comments by email. Maybe pure indium solder could ease this phenomenon. This 881a uses Akismet to reduce spam.
HP Agilent Keysight, A
I have no idea! Leave a Reply Cancel reply Your email address will not be published. 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 h, but may still be usable for some test purposes.
Learn how your comment data is processed. It appeared on the market aboutand still today, these devices are very much thought after. There is says 8481s the sensor can withstand mW power, and even 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. H, there are many sensors around that are blown — why do so many people connect them to 0.
I had experience that the gold on sapphire substrate was totally dissolved by normal Sn-Pb solder. Your email address will not be published. This is all real gold on sapphire substrate!
Keysight Technologies (Agilent HP) A used or new for sale at used-line
E-solder or other type of silver conductive glue may work for some few years on such substrate and geometry. I just purchased some pure indium and would begin experiment several days later. Will try to attach a SMD with some conductive epoxy.