Author Topic: tek 680B 10X probe attentuation  (Read 1712 times)

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Offline Arjan EmmTopic starter

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tek 680B 10X probe attentuation
« on: March 22, 2015, 05:44:09 pm »
Hi everyone, first post here. Since a few days i'm a happy owner of a tektronix 680b 1 Ghz scoop. A nice upgrade from my HP54503A.
The Hp came with 4 10x 500Mhz probes.  Since i never work with signals over a few hundred Khz, these will do fine.
But how do i tell the scope the probes are 10x? There are no options in the vertical menu and i can't find anything in the manual.
To me it seems only possible through the read out ring/pin. Pretty difficult to make something for that because there are several connections depending on the position of the pin. + and - 5v for active probes and several more connections.
Is there a solution for this ?
Thanks,
arjan.
 

Offline tautech

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Re: tek 680B 10X probe attentuation
« Reply #1 on: March 22, 2015, 07:39:45 pm »
Welcome to the forum.

For Tek probes, each has a resistor specific to that probes attenuation that shunts a connection on the input of the scope to set the correct attenuation.

Have a study of this thread for a solution:
https://www.eevblog.com/forum/testgear/automatic-probe-attenuation-setting-just-a-resistor-(tektronix-tds320)/
« Last Edit: March 22, 2015, 07:55:34 pm by tautech »
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Offline Arjan EmmTopic starter

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Re: tek 680B 10X probe attentuation
« Reply #2 on: March 23, 2015, 05:53:01 am »
Thank you. That was very helpfull.
I just need to find a 3d print shop here in utrecht, the netherlands. That shouldn't be too hard :)
 


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