Products > Test Equipment
Conversion of 500MHz TDS744A to 1GHz TDS784A
Galen:
I have tried to convert my TDS540C to TDS580C, by take out the 4 capacitors and only short the R1064, it shows 4Gs/s, but the banner shows TDS xxx. my firmware is FV:v5.0e.
Passed SPC.
Maybe it is the firmware version problem?
thm_w:
--- Quote from: Galen on December 17, 2019, 02:07:18 pm ---I have tried to convert my TDS540C to TDS580C, by take out the 4 capacitors and only short the R1064, it shows 4Gs/s, but the banner shows TDS xxx. my firmware is FV:v5.0e.
Passed SPC.
Maybe it is the firmware version problem?
--- End quote ---
Did you try 1061 instead of 1064?
What was the original resistor configuration?
geostep:
I recently got a 540C from eBay. So you have captured my interest. It would be sweet to get it running at 1 GHz. Frustratingly I can't access it until after Christmas. |O
So it has to sit in a box... for now. After Christmas I'll open mine up, check my firmware version, look at the programming resistors and caps as well.
I'm hoping there is newer firmware out there that will allow 540C's with only R1064 think it is a 580C.
I'll look around and see if I can find anything about it.
- George
Galen:
--- Quote from: thm_w on December 17, 2019, 10:45:09 pm ---
--- Quote from: Galen on December 17, 2019, 02:07:18 pm ---I have tried to convert my TDS540C to TDS580C, by take out the 4 capacitors and only short the R1064, it shows 4Gs/s, but the banner shows TDS xxx. my firmware is FV:v5.0e.
Passed SPC.
Maybe it is the firmware version problem?
--- End quote ---
Did you try 1061 instead of 1064?
What was the original resistor configuration?
--- End quote ---
Thanks thm_w. The original ID resister is R1061,1062,1063 shorted.
I will try R1061 today, to see If it works.
Galen:
Report the progress. short R1061 only, it shows TDS540C, the sample rate max 1G for 1 or 2 channel on.
So, I changed back to shorting R1064 only. Very possible the FW version too low.
Have to bear the 'TDS xxx' now, until upgrade the FW.
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