Esd Protection With Emi Filter - Siemens A55 Repair Documentation

7.5.2 ESD Protection with EMI filter

The Z211 is a 5-channel filter with over-voltage and ESD Protection array which is designed to provide
filtering of undesired RF signals in the 800-4000MHz frequency band Additionally the
diodes to protect downstream components from Electrostatic Discharge (ESD) voltages up to 8 kV.
Pin configuration of the
Z211 Circuit Configuration
V 1.10
A52/A55/C55 IFX
Z211
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Z211 contains
ICM MP CCQ GRM
08/03