Products > Test Equipment
HP 5335A Timer / Counter - Anything i should know?
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mindcrime:
Hey guys, I was just looking at buying an HP5335A that comes with options 010 and 040, but not 030. I'm tempted, but am wondering - if I were to buy it, how hard would it be to find the parts (and anything else needed) for the option 030? The device is probably worth the money even without it, but that would be a really nice addition...

Or would I be better off holding out for a 53131A or similar, for which there seem to be plenty of option 030 cards (including clones) that are readily available?
LazyJack:
You can sometimes get the opt030 kit on ebay. It is a board plus the front panel. But be careful. There are two versions of it, one with a divide by 20 and the other is a divide by 64 prescaler. The later is for newer models, with v1.1 firmware.
I have one 5335a with all options. A good instrument, but quite large and somewhat loud.
mindcrime:

--- Quote from: LazyJack on April 15, 2021, 09:02:08 pm ---You can sometimes get the opt030 kit on ebay. It is a board plus the front panel. But be careful. There are two versions of it, one with a divide by 20 and the other is a divide by 64 prescaler. The later is for newer models, with v1.1 firmware.
I have one 5335a with all options. A good instrument, but quite large and somewhat loud.

--- End quote ---

Yeah, now that you mention it, the size factor is probably the biggest reason I didn't already pull the trigger on buying the beast. I'm kinda out of room for test equipment anyway, especially something that big. I think I'll hold off for now.
OH2LIY:
Hi, I did build this opt.30 using what I could find my bonk storage. I works nicely


73 Ramppa
LazyJack:
Very nice! Thanks for sharing the design.
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