Newgen Z400 User Manual

Service Manual V 1.1 Newgen Telecom GSM Engineering
Copyright © NEWGEN TELECOM Co. Ltd.
Page 1
Service Manual
Z400
GPRS 900/1800
Copyright
© NEWGEN TELECOM. This material, including documentation and any related computer
programs, is protected by copyright controlled by NEWGENT TELECOM. All Rights reserved.
Written permission from NEWGEN TELECOM is required for copying, adapting, or any kinds of
reproducing any or all part of this document.

Newgen Z400 Specifications

General

Brand	Newgen
Model	Z400
Category	Cell Phone
Language	English

Summary

1. Introduction

2. Product Description

2-1. Features Set

Lists key hardware features of the Z400 phone.

2-2. Minimum Radio Performance

Summarizes electrical performance requirements for GSM standards.

2-4. General Description of Each Functional Block

2-4-1. Antenna

Describes the internal monopole antenna and its placement.

2-4-2. Antenna Switch Module (ASM)

Explains the ASM's role in switching RF signals between bands.

2-4-3. SAW Band pass Filter (SAW BPF)

Details the SAW BPFs for signal selection and rejection.

2-4-4. Transceiver IC (CX74063)

Introduces the Transceiver IC and its signal processing functions.

2-4-5. Analog Base-band IC + PMIC (SKY20524)

Details the Analog Base-band IC and Power Management IC.

2-4-6. Base and Processor IC (CX805-32)

Explains the Base and Processor IC's role as the phone's brain.