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If finding reasonable wet Ta caps is difficult or outrageous, you can do some experiments with Al types, with proper selection and testing, and acceptance of good but not necessarily perfect original

Does Artek have it? DaveD

I bought a HP 3488A Switch/Control unit. Our Wiki has a 3499 manual with the 3488 manuals, and I have seen better versions of the manuals. Since I own a unit I thought I’d take ownership of the

Thank you - if I had took a few to actually think it over that would have been kinda obvious.? Thanks for being patient and answering ;-) Hal

I have two things. The users reference and the programmers guide. From what I can glean in the users reference it should pop up some sort of programing interface via telnet. From the user guide, "?

I think the 16700 and possibly the 16600, which run HPUX on a PA-RISC processor have a telnet client but not the 16500. It does have some open ports but they don't respond to what i've tried (SCPI

Which is an LT1012 - I was very surprised to see that they used such a precision amp on purpose - the precision is not needed there other than to possibly not have a negative output; even in the 3400B

After all of this, I need to: 1. remove/replace the battery 2. check/replace that cap Mark ________________________________ Sent: Monday, November 20, 2023 1:17 PM To:

Thank you Hal, those pictures should have all the missing information, I can see they removed a double thickness ground trace from the front and made a much wider trace on the back, it confirms the

My board was a revision "D" and I uploaded pictures to the 3400A area of the files section. Hal

Just from your description I knew it's a wet-slug Ta type. These were used in certain spots where fairly high capacitance is needed, with low leakage. When it opened up, there went the CW filter

Those are very very special caps. They are made to insure that the equipment fails after a number of years. The acid that leaks out will dissolve PC traces. Make sure you clean any residue off. I use

Below is a partial screengrab showing what the dropbox email from Artek contained, from this you should be able to make out the Agilent front page on the second file, I've sent a message, hopefully

Thanks to both Hal & David for info. The 03400-60013 manual covers 03400-66512 Rev A (prefix 2225) & Rev C (prefix 2415). As has been suggested elsewhere, it's most possible the Rev D was only covered

The custom scale compensates for nonlinearity in the meter movement itself, not the instrument the meter is installed in. Dave Wise ________________________________ Sent: Monday, November 20, 2023

Hi all, I can hardly believe what I saw when I took out the A6-board. A capacitor with only one leg... what the heck is so special about this one that its so different to all the others - and leaking,

David - you mention you are doing your own replacement for this board - if you are still in the design stage i would suggest you look at the OPA182 for the chopper amp - I used it in one I did a while

I'm *think* that I have one that has this revision - I'll check this evening and post pictures if I do. Hal

I have the 03400-90013 version from Artek and it is a very good and clear scan of the manual with full page schematics and bookmarks - typical Artek quality... maybe your copy was overwritten or

Strange . Not listed as available. Must be sold out .