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Re: Differential probe design - BANDWIDTH ? ? ?
- To: tesla@pupman.com
- Subject: Re: Differential probe design - BANDWIDTH ? ? ?
- From: "Tesla list" <tesla@pupman.com>
- Date: Wed, 16 Jul 2003 15:16:18 -0600
- In-Reply-To: <3D74B6131C67CA48B6AD345B21CCA8BF2A95B0@EMSS04M19.us.lmco.com>
- Resent-Date: Wed, 16 Jul 2003 15:18:52 -0600
- Resent-From: tesla@pupman.com
- Resent-Message-ID: <x6uTT.A.foB.6EcF_@poodle>
- Resent-Sender: tesla-request@pupman.com
Original poster: "Terry Fritz" <teslalist@qwest.net>
Hi Dan,
At 02:57 PM 7/16/2003 -0400, you wrote:
>Terry,
>
>What kind of bandwidth are you getting with your differential probe
>design? Did you simulate it at all?
It has never been built... The ICs go to 150MHz.
>Also, not sure exactly what your schematic / design looks like, but you
>should probably try to put a lot of compensation
>networks (basically R/C branches etc...) into the design (even if you
>aren't using them right now) just in case you
>need to tweak the frequency response once its built (which is very
>common).
http://hot-streamer.com/temp/DiffProbe-5.gif
http://hot-streamer.com/temp/DiffProbe-5p.gif
Since we are trying for pretty high frequency, we can't add too many
"hooks" for compensation. Just going to have to try it and see...
Cheers,
Terry
>The Captain