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| DC coupled 2.7 GHz Active Probe Project - Now Available! |
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| joeqsmith:
I'm not a fan of the placement of the probe tips having the offset as it makes it a challenge to attach to the board. Also, the shape of the probe body makes it difficult to clamp to. Note my use of a paper clip around the cables to hold the probe in place. |
| joeqsmith:
My review. |
| dmderev:
Could you share schematics, please? |
| 2N3055:
--- Quote from: dmderev on May 25, 2024, 08:32:00 am ---Could you share schematics, please? --- End quote --- No. It is not open source.. And schematic is minor part of the story. Most of the work is in physical layout... |
| joeqsmith:
--- Quote from: dmderev on May 25, 2024, 08:32:00 am ---Could you share schematics, please? --- End quote --- You would need to contact the manufacture for that level of documentation. They did provide some details about the design in the start of the thread: https://www.eevblog.com/forum/testgear/12-ghz-active-probe-project/msg4974892/#msg4974892 For what they are charging, I can't see a reason why anyone would want to try and make their own anyway. I thought about showing the prototype on camera but they had posted photos already so it seemed redundant. And with the prototype being hand built, I didn't want to give viewers the impression that this was the same quality of the final product. IMO, if you are needing a higher BW, low capacitance probe with high DCR and you are working with low voltages, this thing is a steal at the price. |
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