Codan-radio MT-4E Analog and P25 Digital - User Guide Manual de usuario descargar pdf (Pagina 33)

MT-4E ANALOG & P25 DIGITAL RADIO SYSTEMS | USER GUIDE

Chapter 4: MT-4E Radio System Block Diagrams Page 25

Figure 4-3: MT-4E Paging Transmitter Block Diagram

PAGING ENCODER TRANSMITTERPAGING MODULATOR

RF OUT

UNIVERSAL

DAUGHTER BOARD

RF POWER

AMPLIFIER

1 KHz TONE

@ -8.0 dBm

= 60% MAX. MOD.

2 LVL

DATA

4 LVL

DATA

PTT

OSCILLATOR

BALANCED

AUDIO

BALANCED

LEVEL

PTT

DIR

MOD

I/P

ANALOG

A / D

SEL

+1.6 KHz

-1.6 KHz

+4.8 KHz

-4.8 KHz

BESSEL

FILTER

BANDPASS

ADJUST

OCXO

10 MHz

PLL

INT /

EXT

REF

PHASE

CORRECTION

EXTERNAL

REFERENCE

A/D

SEL

I/P

LIMIT

ADJUST

REF

REF IN

REF

OUT

JU1 (Y)

AUDIO

SIGNAL

PROCESSING

DIR MOD

DSP BYPASS

A/D MODE

CONTROL

JU13 (Y)

1 2 ... 28 29 30 31 32 33 34 35 36 37 38 ... 57 58

MT-4E Analog and 1
P25 Digital 1
Radio Systems 1
Codan MT-4E 3
Analog and 3
Page ii 4
Page iii 5
Page iv 6
Contents 7
Page vi 8
CHAPTER 1: INTRODUCTION 9
Chapter 1: IntroductionPage 2 10
Model Number 11
U R - 4 E 420 - A0 - 000 12
AVAILABLE FREQUENCY BANDS 13
Chapter 1: IntroductionPage 6 14
ENCRYPTION 16
CHANNEL SWITCHING RANGE 16
LVDS SERIAL DATA 16
MIXED MODE OPERATION 17
UPGRADING FIRMWARE VERSIONS 17
Table 2-1: Firmware Versions 18
REPEATING DIGITAL SIGNALS 19
REPEATER OPERATION 21
MULTIPLE LINK CONTROLLER - G2 22
WIRELINE CONTROL 23
SYSTEM REGULATOR 24
TRANSMITTER 24
RECEIVER 24
P25 BASE 24
PAGING SYSTEM OPERATION 25
REPEATER BLOCK DIAGRAM 28
BASE STATION BLOCK DIAGRAM 30
1 KHz TONE 33
@ -8.0 dBm 33
= 60% MAX. MOD 33
CHAPTER 5: SOFTWARE 35
Chapter 5: SoftwarePage 28 36
RSS Version Number 37
Chapter 5: SoftwarePage 30 38
Chapter 5: Software Page 31 39
Chapter 5: SoftwarePage 32 40
FIRMWARE VERSION NUMBER 41
PROGRAMMING 42
Chapter 5: Software Page 35 43
Chapter 5: SoftwarePage 36 44
Chapter 5: Software Page 37 45
Chapter 5: SoftwarePage 38 46
CODAN RADIO SYSTEM COMPONENTS 47
Power Input 48
Channel and Bank Selection 49
Antenna Relay Activation 50
Simplex Operation 50
Auxiliary Connectors 51
A-PNL-AUX96-3 52
MADE IN CANADA 53
CLEAR MEM 54
POWER AMPLIFIERS 55
TUNING AND MAINTENANCE TOOLS 56

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Codan-radio MT-4E Analog and P25 Digital - User Guide Manual de usuario Pagina 33

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