Broadcast Tools SS 2.1/Terminal III Manual de usuario Pagina 124
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7-2 Section 7: System Description
Moseley SL9003Q 602-12016 Revision G
7.5 Introduction
The SL9003Q consists of a transmitter (TX) and receiver (RX) pair of units that are matched in
frequency and modulation/demodulation characteristics. The following sections describe the TX
system, RX system, followed by sub-system components. Please reference the accompanying
block diagrams for reference and clarification.
We will follow the typical end-to-end progression of a radio system starting with the TX
baseband inputs, to the QAM modulator, followed by the up-conversion process and the power
amplifier. We then proceed to the RX preamplifier input, the down-conversion process, followed
by the QAM demodulator and baseband outputs.
7.6 Transmitter
Fiigure 7-1 SL9003Q Transmitter System Block Diagram
- Starlink SL9003Q 1
- WARRANTY 2
- Table of Contents 7
- List of Figures 9
- 1 System Features and 11
- Specifications 11
- 1.1 System Introduction 12
- 1.2 System Features 13
- 1.3 Specifications 14
- 1.4 Regulatory Notices 21
- FCC Part 15 Notice 21
- 2 Quick Start 23
- 2.1 Unpacking 24
- 2.2 Notices 24
- WARNING 25
- 2.3 Rack Mount 26
- SL9003Q 2 or 4 Channel 27
- Receiver 27
- Transmitter 27
- RX ANTENNA 28
- Digital Composite 29
- SL9003Q TX Main Menu 30
- Scroll Right/Left to choose: 31
- AUTO/OFF/ON 31
- 2.6.1. Audio 32
- 2.6.2. Composite 33
- 2.6.3. Data Channels 33
- 2.7 Performance 34
- Receiver Performance Check 36
- 3 Installation 37
- 3.1 Rear Panel Connections 38
- CAUTION 39
- 3.2 Preliminary Bench Tests 41
- SL9003Q 2 Channel 42
- 3.2.1. RF Bench Test 44
- 3.3 Site Installation 50
- 3.3.1. Facility Requirements 52
- 3.3.2. Power Requirements 52
- (Typical) 53
- 3.4.3. Environmental Seals 54
- 3.6 Link Alignment 55
- 4 Operation 57
- 4.2.1 LCD Display 59
- Changes Made 64
- SAVE SETTINGS? 64
- 7.4 Screen Menu Summaries 65
- 4.4.1 Meter 66
- 4.4.2 System: Card View 66
- 4.4.4 System: Info 67
- 4.4.6 Factory Calibration 69
- Caution 69
- Section 4: Operation 4-15 71
- Section 4: Operation 4-17 73
- 4.4.9 System: Transfer 74
- 4.4.8 System: Date/Time 74
- Section 4: Operation 4-19 75
- 4.4.11 Alarms/Faults 76
- Section 4: Operation 4-25 81
- 4.4.13 Radio TX Status 83
- 4.4.14 Radio RX Status 85
- 4.4.15 Radio TX Control 86
- 4.4.16 Radio RX Control 86
- Section 4: Operation 4-31 87
- Radio TX Config 88
- MHz950. 0000 88
- Radio RX Config 89
- 5 Module Configuration 91
- AUDIO ENC 92
- CAUTION: 93
- S21 – Data Channel 95
- S23 – System Config 96
- 5.2.1. AES/EBU and SPDIF 97
- 5.2.3. Data Channel Rate 98
- 5.2.4. Board ID 99
- 5.2.5. System Configuration 99
- 5.3.1. Data Channel 99
- 5.7 Power Amplifier 105
- 5.8 MUX Module 106
- 5.9.1. External I/O 108
- Received Signal Level (dBm) 115
- Vout (Vdc) 115
- 6 Customer Service 117
- 6.1 Introduction 118
- 6.2 Technical Consultation 118
- 6.3 Factory Service 119
- 6.4 Field Repair 120
- 7 System Description 123
- 7.5 Introduction 124
- 7.6 Transmitter 124
- 7.6.1. Audio Encoder 126
- 7.6.5. Power Amplifier 129
- 7.7 Receiver 130
- 7.7.1. Receiver Module 131
- 7.7.4. Audio Decoder 133
- 8 Appendices 135
- A.1. Introduction 137
- A.2. Path Analysis 141
- A.2.2 Losses 142
- B.1.1 Why dBm? 151
- B.1.2 Audio Meters 151
- B.1.3 Voltage-Based Systems 151
- B.1.4 Old Habits Die Hard 152
- Conversion (50 ohms) 155
- Modem Splitter 162
- Audio Processor 163
- (Optimod or Equiv.) 163
- Data Sharing Device 163
- Radio A - MAIN Default 164
- Radio B - STANDBY Default 164
- SL9003Q Receiver 164
- FCC ID: CSU9WKPCL6010 171
- MOSELEY ASSOCIATES, INC 171
- ASSEMBLED IN USA 171
- Remote Control 172
- Broadcast Tools 172
- SS 2.1 BNC III 172
- Switcher/Router 172
- INPUT: 90-260V, 47-63Hz 177
- F.7 Software Settings 181
- F.7.2 TP64 Settings 181
- For Hostile Environments 183
- INFORMATION - FCC Form 601 187
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