Products > Test Equipment

Conversion of 500MHz TDS744A to 1GHz TDS784A

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Jwalling:

--- Quote from: eKretz on August 16, 2016, 07:40:10 pm ---Yup, I know. Anyone know if the processor and acquisition boards are the only difference between A and D?

--- End quote ---

The LV power supplies and HV assemblies are interchangeable. The processor on the D scopes is noticeably faster, and is very noticeable when switching back and forth from DPO/Instavue

Jay

eKretz:
So switching the processor and acquisition boards might net me a 784D then. Hmm. May need to start watching eBay.

tford:
I may have to replace my upgraded TDS744A CRT with an LCD soon because the shutter module appears to be de-laminating. For anyone that's been down this road before, does the LCD replacement have comparable resolution and ease of viewing? Thanks, Tom.

Jay_Diddy_B:

--- Quote from: tford on September 22, 2016, 12:32:57 am ---I may have to replace my upgraded TDS744A CRT with an LCD soon because the shutter module appears to be de-laminating. For anyone that's been down this road before, does the LCD replacement have comparable resolution and ease of viewing? Thanks, Tom.

--- End quote ---

I suppose it depends on how good an LCD display you get. I converted one of my TDS5xx or TDS7xx to LCD because the CRT was no good. I was never really happy with it. I used to use it as a portable scope, because it made the scope lighter. I prefer the liquid crystal shutter / monochrome display 'NuColor'.


The challenge is you need to find a VGA 640 x 480 LCD the right size. Most of the VGA resolution screens are not that great.

Regards,

Jay_Diddy_B

snoopy:
For those interested the original brochure for the 700D scopes ;)

https://www.testequity.com/documents/pdf/tds700d.pdf

Quite impressive for the time and still is ;)

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