[SI-LIST] Re: high frequency current measurements
- From: "Xilei Liu" <xileil@xxxxxxxxxxx>
- To: junfeng.zhou@xxxxxxxxx, si-list@xxxxxxxxxxxxx
- Date: Mon, 24 Jul 2006 20:32:41 +0000
Junfeng,
I think you can find the answer in the operation mannuals. Firstly, you need
to check the frequency band of these equipment to make sure that they are
suitable for your use. Then find the transfer impedance (Zt)of the current
probe which I think should be provided in the mannual. If some other
correction factors are not specified by the mannual, generally, the current
can be obtained from the voltage you measured with the oscillosope by the
relationship I=V/Zt in linear scale, or I=V-Zt in dB. All equipment
manufacturer websites provide technical support for their products.
Regards,
Celine
>From: "jun feng" <junfeng.zhou@xxxxxxxxx>
>Reply-To: junfeng.zhou@xxxxxxxxx
>To: "SI freelist" <si-list@xxxxxxxxxxxxx>
>Subject: [SI-LIST] high frequency current measurements
>Date: Mon, 24 Jul 2006 20:53:13 +0200
>
>Hi ,
> I am doing some high frequency current measurements. What now I have is
>the CT6 current probe and a oscilloscope. Is it enough to make the test
>set-up ?
>
> My question is that usually the oscilloscope is used only for the
>voltage
>measurement, not for current ? how can I deal with it ?
>
> thanks ,
>
>
>best
>
>junfeng
>
>
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