question about the TVS diode on i.MX8M mini EVK

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question about the TVS diode on i.MX8M mini EVK

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question2click6
Contributor II

Dear Sir/ Madam,

About i.MX8M Mini EVK Base Board:

1. would  you please help to explain the function for R301=47K, C303=0.01uF and C323=0.01uF?

2. Why C303 has DNP?

3. Why there is no 47K ohm next to C323?

Thanks!

Wenwen

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weidong_sun
NXP TechSupport
NXP TechSupport

Hi Wenwen,

>>1.would  you please help to explain the function for R301=47K, C303=0.01uF and C323=0.01uF?

C303 & C323  are both filtering capacitor, which are used to filter high frequency signals attached on DC power.

For R301=47K, I didn't find the resistor in the schematic of i.MX8M Mini Base baord.

>>Why C303 has DNP?

No, it is not DNP.

>> Why there is no 47K ohm next to C323?

I don't know why you ask the question, where do you want to add 47K?

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Have a nice day!

B.R,

Weidong

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