Strange HP 3488A card

Nov 03, 2004 2 Replies
A

Hello to everybody!



I recently got a working HP 3488A Switch Control Unit where, much to my surprise, I found a couple of "4800 General Purpose I/O" cards, made by Honeywell, which are completely unknown to me. Anyone has a clue of what these cards are for? There's a "weight and balance section" engraved on the PCB, which lets me think that it's something used to select load cells in a weight and balance system. The output section features four DG508AAK Analog Multiplexers and four VQ1001J MosFET arrays. Not able to find anything anywhere on the Net.


SeeYa!



/\ /--\ndrea



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R

"Weight and Balance" normally refers to aviation, where it's critical to measure the weight and center of gravity of an aircraft. Given that they're in a 3488A, my guess is that you've got part of a flight test system there.

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A

Richard,

That's exactly what I thought, word by word. The fact that I'm an airplane pilot, at last, accounted for something. :-) Yet, I'm still at the starting line as to determine what exactly these cards are for. Hints? Searching on the Net didn't produce anything meaningful.

SeeYa!

/\ /--\ndrea

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