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G25RMV110
Guardian G25RMV110 Manuals
Manuals and User Guides for Guardian G25RMV110. We have
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Guardian G25RMV110 manual available for free PDF download: Technical Manual
Guardian G25RMV110 Technical Manual (85 pages)
GUARDIAN 110W MOBILE RADIO
Brand:
Guardian
| Category:
Radio
| Size: 2.01 MB
Table of Contents
Table of Contents
5
Chapter 1: General Information
9
Scope
9
General Description
9
Performance Specifications
9
Chapter 2: Hardware Theory of Operation
11
Introduction
11
System Specifications
11
System Block Diagram
12
Control Head
13
Antenna Connection
13
Recm Control Hardware Theory of Operation
14
Control Logic
14
Figure 2-2: Guardian Control Logic
14
Figure 2-3: RECM Power Supply
15
Dsp
17
Flash ROM
17
Ram
17
Tcxo
17
Fpga
18
If Adc
18
Clock Generation
18
Logic Audio CODEC
18
Accessory Connector Interface and Filtering
18
Transceiver Interface and Filtering
18
Keypad Interface
18
Audio Interface
18
Test Interface
19
Led
19
RECM Power Consumption
19
Recm Transceiver Section
19
Digital/Analog Control
23
Keypad Microcontroller
24
Audio Amplifier Board
24
Description
24
Power Conditioning
24
Communication with Transceiver
25
Audio Amplifiers
25
Power Levels Detector, Converter, and RF/DC Combiner
25
PA ON/OFF Control (Bypass Mode)
26
RF Power Indication
26
Audio Board Block Diagram
26
Display Board
27
Control Logic Interface
28
Keypad
28
Switch Interface
28
Chapter 3: Software Theory of Operation
31
Functional System Operation
31
General
31
Guardian Block Diagram
31
Architecture
32
Board Identification
32
Self-Test on Power-Up
32
Flash Software Upgrades
32
Voice Coder/Decoder (VOCODER)
32
Radio Control Software
32
Audio Control
32
DSP Control Software
32
Transceiver Board
33
DC Power Control
35
Monitoring
35
Radio Control Drivers
35
Digital Signal Processing
36
DSP Transmit Chain
36
Figure 3-2: Transmit DSP Chain
37
DSP Receive Chain
38
Figure 3-3: Receive DSP Chain
38
DSP Software
41
Keypad Mpu Software
41
Overview
41
General
41
Keypad Scanning
41
Push-To-Talk (PTT) Input
41
Switch Input
41
LED Output
41
Backlight Control
41
Serial Interface
41
Data Interface
42
CAI Data Interface
42
Synchronous Serial Data Interface
42
CAI Data Link Layer
42
Transmit Physical Link Layer
43
Receive Physical Link Layer
44
DES Encryption
44
Host Interface
45
Flash Interface
45
Paging
45
Hardware Control
46
Controller Software
46
Overview
46
Environment
46
Figure 3-4: Controller Software
46
Radio Store
48
Program/Fill/Control Interface
49
User Interface
50
Display
50
Optional DTMF Microphone
50
Chapter 4: Installation, Adjustment, and Operation
51
Radio Configuration
51
Channels
51
Zones
51
Banks
51
Installation and Adjustment
51
Hardware
51
Software
51
Operating Procedures
51
Connect the Power Source
51
Radio Power up
52
Choose a Channel
52
Transmit a Voice Message
52
Receive a Voice Message
52
Programming and Bypass Mode
52
Chapter 5: Radio Set and Accessories
53
System Description
53
Mobile Radio
53
Antenna
53
Guardian PC Programmer
53
Cloning Cable
54
Controls, Indicators, and Connectors
54
Controls
54
Indicators
55
Connectors
56
Transceiver Characteristics
56
Transmitter Characteristics
56
Receiver Characteristics
57
Communication Security
57
Algorithms
57
Keyfill
57
Zeroize
58
Chapter 6: Servicing the Radio
59
General
59
Self-Test at Power up
59
Caution
59
Chapter 7: Troubleshooting
61
Introduction
61
Radio Functional Tests
61
Power-On Test
61
Buttons and Switches Test
61
Transmit Test
61
Receive Test
61
Audio Test
61
Chapter 8: Definitions
63
Chapter 9: Signal Tones
65
Chapter 10 : Interface
67
Accessory Connector Pins and Functions
67
Chapter 11: Schematics
69
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