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| Keysight 3000T scope 1 GHz(or more) hardware upgrade mod |
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| Keysight DanielBogdanoff:
--- Quote from: TheSteve on August 18, 2022, 02:15:24 pm ---The 500 MHz mod for the T series should be roughly the same as the A series however I don't think anyone has ever actually done it to verify 100% the exact components that need to be changed. --- End quote --- I haven't seen it done either and agree that it would be roughly the same. There's not a lot of difference in signal paths between the A/T/G versions. |
| TheSteve:
--- Quote from: Keysight DanielBogdanoff on August 18, 2022, 03:50:59 pm --- --- Quote from: TheSteve on August 18, 2022, 02:15:24 pm ---The 500 MHz mod for the T series should be roughly the same as the A series however I don't think anyone has ever actually done it to verify 100% the exact components that need to be changed. --- End quote --- I haven't seen it done either and agree that it would be roughly the same. There's not a lot of difference in signal paths between the A/T/G versions. --- End quote --- The 1.5 GHz mod is more fun, wouldn't you agree? >:D >:D >:D >:D >:D |
| pquadrat:
--- Quote from: tv84 on August 18, 2022, 03:10:38 pm --- --- Quote from: EEVblog on August 18, 2022, 02:15:06 am ---Agreed. I'm impressed that people are willing to hardware mod such an expensive high end scope. --- End quote --- After Steve lead the way, for others should be child's play (except me, of course... :) ). --- End quote --- I did the 500MHz mod on a 3104T. Working perfectly. Before calibration, the bandwith was about 750Mhz, which gets "corrected" in calibration. I did not even know that it was for the A model. Everything seems to be identical. |
| maxwell3e10:
--- Quote from: TheSteve on August 18, 2022, 04:22:57 pm --- --- Quote from: Keysight DanielBogdanoff on August 18, 2022, 03:50:59 pm --- --- Quote from: TheSteve on August 18, 2022, 02:15:24 pm ---The 500 MHz mod for the T series should be roughly the same as the A series however I don't think anyone has ever actually done it to verify 100% the exact components that need to be changed. --- End quote --- I haven't seen it done either and agree that it would be roughly the same. There's not a lot of difference in signal paths between the A/T/G versions. --- End quote --- The 1.5 GHz mod is more fun, wouldn't you agree? >:D >:D >:D >:D >:D --- End quote --- To summarize the basic difference if I understand it correctly: upgrading up to 500 MHz requires changing a few L, C and R per channel. The most difficult part is unsoldering the RF shields. To upgrade to 1 GHz requires changing relays and other multi-terminal components which are trickier to desolder. |
| TheSteve:
Pretty much, the 1 GHz mod is a much more extensive upgrade - and it costs a lot more because of the Teledyne attenuator relays. |
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