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Understanding biphasic stimulus in bipolar configuration

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Understanding biphasic stimulus in bipolar configuration  Empty Understanding biphasic stimulus in bipolar configuration

Post  salvira Thu Jul 07, 2016 12:51 pm

Understanding biphasic stimulus in bipolar configuration  Untitl12

Greetings!

I am using stg4002 for my stimulation experiments.  In a bipolar configuration that I will use (as in the fig),
I want to understand the direction of current in phase I , phase II and during the switch from phase the I to phase II.

Also what happens to the current in the situation when I am not connecting the ground electrode.

Thanks.

salvira

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Join date : 2016-06-01

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Understanding biphasic stimulus in bipolar configuration  Empty Re: Understanding biphasic stimulus in bipolar configuration

Post  Frank MCS Tue Jul 12, 2016 11:14 am

Hi,
in your example, during pase 1, electrode 1 is set to -80mV, and electrode 2 to +80mV, so 160mV bewteen the two, an the current flows primarily between those two electrodes. Phase 2 is the same, just inverted. The ground connection is in that case to reduce noise, but not strictly necessary.

Frank MCS
Frank MCS
Frank MCS

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