Siemens C55 Repair Documentation

V1.20 Page 43 of 48 ICM MP CCQ GRM
A55/C55_Hitachi Company Confidential © Copyright Siemens AG 04/03
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 Z211 contains diodes to protect downstream components from
Electrostatic Discharge (ESD) voltages up to 8 kV.
Pin configuration of the Z211
Z211 Circuit Configuration

Siemens C55 Specifications

General

Brand	Siemens
Model	C55
Category	Cell Phone
Language	English