R&S N 8000 Series Manuals

R&S N 8000 Series Manuals

Manuals and User Guides for R&S N 8000 Series. We have 1 R&S N 8000 Series manual available for free PDF download: System Manual

R&S N 8000 Series System Manual

R&S N 8000 Series System Manual (158 pages)

DTV Transmitters ATSC

Brand: R&S | Category: Transmitter | Size: 4.39 MB

Table of Contents

Table of Contents

25
- About this Manual
  27
- Chapter 1
  27
- Safety Instructions for Transmitter Systems and Instruments
  28
- General Safety Instructions
  29
- Special Danger Warnings
  42
  - Hazards Due to AC Supply Voltage
    42
    
    AC Power Supply
    42
    
    Emergency-Off Equipment
    43
    
    Opening the Transmitter
    43
    
    Replacing Fuses
    43
  - Hazards Due to High-Energy Circuits
    44
  - RF Hazards
    44
    
    Mandatory Training
    44
    
    RF Shielding
    45
    
    Rules for Operating the Transmitter
    45
    
    Rules for Working with an Open Transmitter
    45
  - Fire Hazards
    46
- Safety Data Sheets for Hazardous Materials
  47
Design and Function

51
- Chapter 2 Design and Characteristics
  53
- Design and Function
  53
  - Power Distribution
    57
    
    Main Switch (Power Supply Terminal)
    58
    
    Motor Protection Switches
    58
    
    Automatic Line Fuses
    59
    
    Power Distribution Board
    60
    
    Auxiliary Power Supply Unit
    61
    
    Grounding Bolt
    62
    
    Optional Socket
    62
  - Transmitter Control Unit
    63
    
    R&S Netccu800
    63
    
    Rack Controller
    63
  - Connection Panel
    65
  - Exciter Unit
    66
    
    Exciter
    67
    
    Exciter Switch
    67
  - Output Stage Unit
    67
    
    Splitter
    69
    
    Amplifier
    70
    
    Combiner
    70
    
    Absorber
    71
  - Directional Coupler Lightning Protection System
    73
    
    Lightning Arrester
    73
    
    Directional Couplers
    74
    
    Directional Coupler Interface
    75
  - Harmonics Filter
    75
  - RF Connector
    76
  - Cooling System
    77
    
    Intake/Exhaust Air Ducts
    78
    
    Fans
    79
    
    Starting Capacitors
    80
    
    Differential Pressure Gages
    81
    
    Temperature Sensors
    82
- Specifications
  83
  - Transmitter System - General
    83
  - Transmitter System - Specific
    84
    
    R&S Nv8301
    84
Table of Contents

89
- Chapter 3 Equipment Supplied
  91
- Integrated Transmitter Components
  91
- R&S Nv8302
  91
- R&S Nv8303
  91
- R&S Nv8304
  91
- Transmitter Components Supplied Separately
  92
- Overview
  93
- Setting up Transmitter
  94
- Ventilation System
  99
- AC Power Supply
  104
  - Connecting Transmitter Ground
    105
  - Connecting AC Power Cable
    105
  - Connecting External Equipment
    107
- Amplifiers
  109
  - Installing Amplifiers
    109
- Connecting Antenna/Dummy Antenna to RF Connector
  110
  - Connecting Antenna
    110
Table of Contents

117
- Chapter 4 General Information
  119
- Preparations
  119
- Operating R&S Netccu800
  120
- Requirements
  120
- Preparing for Transmitter Startup
  121
  - Preparing for Local Operation
    121
  - Checking and Setting System and Operating Parameters
    121
  - R&S Netccu800
    121
    
    Changing User Type
    121
    
    Switching on R&S Netccu800
    121
    
    Entering Basic Settings
    122
    
    Setting Date and Time
    123
    
    Adjusting Network Settings
    124
    
    Front Ethernet Interface
    124
    
    Rear Ethernet Interface (NETLINK)
    125
  - Setting Transmitter Type
    127
  - Entering Exciter Settings
    129
    
    Setting TV Standard
    129
    
    Configuring Input Interfaces
    130
    
    Specifying Data Format for Data Streams Input 1 and Input 2
    130
    
    Setting Automatic Input Switchover
    131
    
    Switching off Precorrector
    132
    
    Setting Transmitter Frequency
    133
    
    Adjusting the I/Q Modulator
    134
    
    Setting RF Output
    135
    
    Specifying Behavior on Failure of a Reference Source
    136
  - Entering Output Stage Settings
    137
    
    Setting up Output Stage
    137
  - Setting Transmitter Output Power
    139
  - Calibrating Power Displays
    140
    
    Calibrating Forward and Reflected Power Displays
    140
- Completion of Startup Procedure
  144
- Precorrection
  149
  - Functions of Nonlinear Precorrector
    149
    
    General
    149
    
    Linear Basic Precorrection
    149
    
    Audio Phase Precorrection (ATV Combined Only)
    150
    
    Dynamic Precorrection (ATV Split Only)
    150
    
    Nonlinear Frequency Responses
    150
  - General Information on Operating Precorrector
    150
  - Performing Precorrection
    150
    
    Determining System Levels
    151
    
    General Requirements
    151
    
    Precorrection Procedure
    152
    
    Starting Precorrection
    152
    
    Phase Precorrection
    153
    
    Amplitude Precorrection
    154
    
    Frequency-Dependent Precorrection
    155
    
    Fine Adjustment Using an Existing or Preset Characteristic
    157

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