EVAL-ADIN2111 Trans

Question

Hi 
 The EVAL-ADIN2111 has a center tap at T1, to which C98, R82, and C103 are connected. According to simulations using LTspice, 
 there is no difference in AC characteristics whether C98, R82, and C103 are present or not. 
 Are C98, R82, and C103 necessary? 
 
 MDI Components. 10BASET1L, ADIN2111, EVAL-ADIN2111D1Z, - Q&A - Physical Layer Devices - EngineerZone

folivier · Accepted Answer

Hi NKokubo131 , 
 As stated in the shared thread ( https://ez.analog.com/industrial-ethernet/physical-layer-devices/f/q-a/593414/mdi-components-10baset1l-adin2111-eval-adin2111d1z), 
 The EVAL-ADIN2111D1Z doesn't have a transformer with a center-tap while the EVAL-ADIN2111EBZ has one, however r egarding performance, both the evaluation board designs ensure compliance with the10BASE-T1L standard. The difference in components does not degrade the performance. 
 Kind Regards 
 Olivier)

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EVAL-ADIN2111 Trans

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