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Copyright 2005© Siemens AG
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Service Repair Documentation
Level 2.5e – C75
Release 1.0
Internal schematic
The Z1500 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 Z1500 contains diodes to protect
downstream components from Electrostatic Discharge
(ESD) voltages