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| alt.engineering.electrical | Electrical engineering discussion forum | 2,547 messages |
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| DecadentLinuxUserNumeroUno@decadenc to All |
| Re: Measuring PWM current? |
| 04 May 19 04:13:50 |
4a44fb66
XPost: sci.electronics.design
Spare Change wrote in
news:0001HW.2276A6090019C5E970000746C2CF@news.eternal-september.org:
> Can an RMS current clamp meter accurately measure the current of a
> PWM voltage?
>
> How else to measure PWM current without a shunt or direct in-line
> meter?
>
> Thanks.
>
>
A shunt is the best way. Then a scope probe will reveal all.
The RMS clamp will yield RMS averaged current usage if the pulses are
fast enough for it to resolve the average.
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