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Queries on USB section of schematic SCH-26185.pdf

Question asked by PUSPAM NAYAK on Sep 17, 2014
Latest reply on Oct 2, 2014 by Jorge_Gonzalez

Hi Community members,

 

I was refering to schematic SCH-26185 having USB Host port and USB OTG port and have few queries on this which are listed below

 

1. Why L1 and L509 values mentioned are 100 MHz on VBUS net ? want to know is this a inductor used to filter 100 MHz signal  ?

2. Why L502, L508 values mentioned are 26 OHM ? why shielding is terminated with this value and what is the component used, its a inductor or ferrite bead ?

 

I am getting confused with the type of component used and their values. Kindly clarify on the same

 

Attached is the pdf file. please refer page no.6 of this document

 

Thanks and regards,

Puspam Nayak

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