UIFNEW, ---SCHEMATY---GSM

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After Sales Technical Documentation
RAE/RAK–1N Series
Chapter 4
–Transceiver GE8/GE9 –
UIF Module
RAE/RAK–1N
UIF
After Sales
Technical Documentation
CONTENTS – User Interface
Page No
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Technical Summary
4– 5
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4– 5
UIF Mechanics
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4– 5
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UIF Electronics
4– 6
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4– 7
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UIF Electrical Characteristics
4– 7
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4– 7
DC Characteristics
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4– 7
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UIF External Signals and Connections
4– 9
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4– 9
UIF Mechanical Characteristics
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4– 11
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UIF Circuit Description
4– 11
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Keypad scanning and display driver control
4– 11
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4– 11
Keypad and display illumination
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4– 12
CMT LCD Module Interface
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4– 12
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Antenna matching circuit
4– 12
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4– 13
Page 4– 2
Amendment 1 04/97
Introduction
UIF Flexes
Technical Specification
AC Characteristics
Functional Description
PDA soft & scroll keys
After Sales
RAE/RAK–1N
Technical Documentation
UIF
List of Figures
Page No
Figure 1. LCDM – connections.
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4– 5
Figure 2. UIF board
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4– 6
Amendment 1 04/97
Page 4– 3
RAE/RAK–1N
UIF
After Sales
Technical Documentation
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Page 4– 4
Amendment 1 04/97
After Sales
RAE/RAK–1N
Technical Documentation
UIF
Introduction
This document describe UIF (GK2 for GSM, GK2–1 for PCN) module. UIF
module includes CMT display ,CMT keypad ,PDA soft keypad and
antenna matching circuit with connectors. It has also connection to
PDALCD (GK1). PDALCD and UIF modules, together these are called
the LCDM. The LCDM has all the electronics in the cover side of RAE–1
(for GSM) and RAK–1 (for PCN).
Note:
GK2 is for GSM
GK2–1 is for PCN
Antenna & antenna cable
LCDM
PDALCD
CMT
LCD
11
UIF
PDA
33
LCD
Driver
LCD
24
Hinge flex
EMC–flex
CMT
Keypad
Soft keypad
Figure 1. LCDM
Technical Summary
UIF Mechanics
The module is made for 0.6 mm thick Printed Circuit Board. PCB has
four–layers. Reasons for that kind of material:
– Four layers are needed because of antenna is also assembled in this
module. Additional layers will improve shielding against RF–radiation.
– We do not need Flexible Printed Circuit (As used in HD841) because
we do not have side keys.
– PCB is easier to assembly than FPC.
– PCB is cheaper than FPC.
Amendment 1 04/97
Page 4– 5
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