Products > Test Equipment
HP/Agilent 1675x logic analyzer card memory up-hack
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Patrick.M:
I just finished a series of step response tests on the two scopes in the same chassis. One my stock (stickered) 16534A, the other my stock (stickered) 16533A with the resistor swap. I'm a believer and satisfied as both can do better than 1.5 ns. rise and fall times.

What was that LA board I should speed up?
texaspyro:

--- Quote from: Patrick.M on April 03, 2018, 01:49:08 am --- I'm a believer and satisfied as both can do better than 1.5 ns. rise and fall times.

--- End quote ---

Whoopie!   :-+
Patrick.M:
There are a modest number of legacy products hp, Agilent produced that are truly timeless, still useful today (and more so) and has a high degree of sovereigncy. The 1670X series is indeed a member of this elete club. I say sovereign, because it can operate entirely on it's own grounds, quite compatable with the newest PC's that can run a decent Xterm program. I use mine somewhat professionally and academically.
I can have big screen monitors on modern PCs with many of the tools on them from the 16700B running MobaXterm. Additionally, you can communicate directly with it via a number of methods under software control. I'm still learning all of it's untility. In my view, this helps make it very useful even though it takes time to boot and is big. I don't think the new replacement can do this and is still big and still takes time to bootup.
Patrick.M:
Now I'm wondering if the 54622A & D scopes have any resitor options. I have yet to look the PCBs over real good, but as I remeber, it was real easy to mix up the 60MHz. 54621A with the 100 MHz. 54622A PCB as they both fit into exacly the same chassis.
Patrick.M:
Unless I'm confused (easy to get so), your resitor line-up is different than what is shown in the original image that  MarkL posted. I decided to move the resistors on my 16742A to that of a 16752A. The main frame reported an error trying to write to the FPGA. Fortunatly, restoring the resistors to the 16742A configuration reversed the problem where all tests out okay. Could you look into this, please? If anything to get my mind straight.

I still work and am not able to spent much time with this, but seem to be getting the idea that retirment may be okay after all.
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