UCC12040: EMI radiation data

Hi Robert,

I will need to ask my colleagues in the US. I hope to have a response later today.

Regards

Peter

Thanks Peter! But there is an additional question. In All 30-1000MHz Magneto SSM2Layer 50 ohm Load_Graph_Horizontal.pdf the first peak at 38.23 MHz is only 5 dB below the limit.

Looks like a 50 Ohm resistive load was used. Would be better to use an 'artifical Hand' (220pF + 510Ω) to GND, as this is what regulations like EN 60601-1-2 ask for. 

Do we also have such measurements?

Best regards,
  Robert

Hi Robert,

That is all that we have, I will feed your comments back to the team it looks like EN 60601-1-2 is targeted to medical devices,  I think the team are probably focused on the industrial market in the first instance so the requirements may be different.

How much margin are you looking for from the limit line?

Regards

Peter

Hello Peter,

Robert has ask my question in the TI-Forum. Our Customer requests often 6 dB Margin to the EN 55032 Class B Limit Line.

We want to use this device to generate a isolated voltage for a RS485 transceiver. Our Experience is, if we connect 10 m cable get very close to the limit.

So we interested in Measurements with an artifical hand, this represents more the real World because there is a coupling to ground.

Best regards,

Daniel