Products > Test Equipment
DIY active probe - another approach (BUF802)
IAmBack:
Hi.
If anyone would like to see BUF802-based active probe - here are my preliminary results.
If anyone has his own experiences - You are welcome to share.
I've used circuit published in application note, with minor changes of the input part (including additional protection with PIN diodes, biased by zener diodes).
Results looks promising, IMO.
I attached plot from spectrum analyzer. Tracking generator was connected directly to the high impedance probe's input, so some impedance mismatch effects are obvious.
Best.
tautech:
Why a photo and not a nice clear png screenshot from your analyser ? :-//
IAmBack:
I was in a hurry, sorry.
tautech:
--- Quote from: IAmBack on November 21, 2022, 09:15:13 pm ---I was in a hurry, sorry.
--- End quote ---
It don't show.....much. :P
Yeah I know it's often more convenient to take pics and then post and often the whole lot from a phone however if you want to convey best info from the instrument it's best to even capture an appropriate menu that helps convey even more info. ;)
Someone:
--- Quote from: tautech on November 21, 2022, 09:22:46 pm ---
--- Quote from: IAmBack on November 21, 2022, 09:15:13 pm ---I was in a hurry, sorry.
--- End quote ---
It don't show.....much. :P
Yeah I know it's often more convenient to take pics and then post and often the whole lot from a phone however if you want to convey best info from the instrument it's best to even capture an appropriate menu that helps convey even more info. ;)
--- End quote ---
+ some cursors to make it clear what you think is important.
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