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6800/7000 Series - Distribution and Routing Products Installation and Operation Manual 53
Chapter 7
VEA-6840 Video Equalizing
Amplifier Module
Overview
The VEA-6840 is a reliable, high-performance and full-featured
equalizing video distribution amplifier. This DA provides a
jumper-selectable input coupling mode (DC or AC coupling), and is
capable of hard and soft clamping to the composite NTSC and PAL
video signal.
The VEA-6840 is equipped with continuously variable equalization for
coaxial cable, features a differential input and eight outputs, and includes
both gain adjustment (with a range of –3.0 dB to +3.0 dB) and high-
frequency response adjustment on the front edge of the board.
An optional Removable Gain and Equalization (EQ) setting submodule
can be used with the VEA-6840. This submodule can be quickly and
easily moved from one DA to another without gain and equalization
readjustment.
Specifications and designs are subject to change without notice.
- 6800/7000 Series 1
- Distribution and Routing 3
- Products 3
- Audience 5
- Writing Conventions 5
- Revision History 6
- Product Manuals 7
- LogoMotion Manual 8
- Installation Information 10
- Important Safety Instructions 11
- Injury Precautions 12
- Product Damage Precautions 15
- Battery Use Warnings 17
- EMC Standards 19
- Safety Standards 20
- Contents 22
- AES-6880 AES/EBU 28
- Functional Block Diagram 29
- Equalization Adjustment 30
- Multi-turn potentiometer 31
- (Manual EQ Mode Only) 31
- Error Detection and Reporting 32
- AES-6880 33
- External Alarm 34
- Power Supply 36
- DNH-6800 DigiNet Hub Module 38
- Block Diagram Flow 39
- Maximum Unit Nodes 41
- Connections 43
- Network Configurations 44
- Mid-Size Network 45
- Large Network 46
- User Interface 47
- Overview 50
- Control Interface 52
- Switches 54
- Switch Description 55
- LED Description 55
- Jumper Description 57
- Fault Reporting Output 59
- USM-6800 PAL/NTSC Monitoring 60
- Encoder Module 60
- Features 61
- Composite Analog Outputs 63
- Component Analog Outputs 63
- Rear Connector 64
- Controls and Indicators 65
- VDA-6830 Video Distribution 70
- Operational Adjustments 73
- VEA-6830 Video 74
- Differential Gain 77
- VEA-6840 Video Equalizing 80
- Equalization 85
- SOFTHARD 88
- VPD-6830 Programmable 90
- Video DA Series 90
- VPD-6830 Series DAs 91
- VPD-6830-CLP Specifications 94
- VPD-6830-CLP 97
- VPD-6830-XEQ Specifications 100
- Temperature 101
- Power Requirements 101
- VPD-6830-XEQ 102
- VPD-6830-DEQ 104
- VPD-6830-DEQ Specifications 105
- Performance 106
- VPD-6830-DLY Series 110
- PD-6830-DLY240 111
- VPD-6830 DLY Specifications 112
- Item Specification 113
- VPD-6830-DLY240 115
- VSE-6801 Serial Equalizing 120
- Amplifier Module 120
- Serial Video Outputs 121
- Operation 122
- LEDs Function 123
- VSE-6802 Serial Equalizing 124
- Distribution Amplifier Module 124
- Figure 10-1. VSE-6802 125
- Amplifier 125
- Specification 126
- LED Indicators 127
- Jumper and Potentiometer 128
- Signal Monitor Module 132
- Specifications 133
- Installation 135
- Composite Analog Output 138
- Interface Switches 140
- Switch Setting Function 141
- Switching Point 143
- Selecting V-trig (J10) 145
- Connection 145
- Adjustment 146
- Test Points 147
- Control Panel 148
- ©2006 Harris Corporation 151
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