Products > Test Equipment
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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