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KRAMER ELECTRONICS LTD.
USER MANUAL
MODEL:
104LN
1:4 Differential Video Line
Amplifier
P/N: 2900-701141 Rev 5
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Contents 1 Introduction 1 2 Getting Started 2 2.1 Achieving the Best Performance 2 2.2 Safety Instructions 3 2.3 Recycling Kramer Products 3 3 Overview 4 3.1 Defining the 104LN 1:4 Differential Video Line Amplifier 5 4 Connecting the 104LN 7 5 Technical Specifications 9 Figures Figure 1: 104LN 1:4 Differential Video Line Amplifier 5 Figure 2: 104LN 1:4 Differential Video Line Amplifier (Underside) 6 Figure 3: Connecting the 104LN 1:4 Differential Video Line Amplifier 8 104LN
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1 Introduction Welcome to Kramer Electronics! Since 1981, Kramer Electronics has been providing a world of unique, creative, and affordable solutions to the vast range of problems that confront video, audio, presentation, and broadcasting professionals on a daily basis. In recent years, we have redesigned and upgraded most of our line, making the best even better! Our 1,000-plus different models now appear in 11 groups that are clearly defined by function: GROUP 1: Distribution Amplifi
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2 Getting Started We recommend that you: Unpack the equipment carefully and save the original box and packaging materials for possible future shipment Review the contents of this user manual Go to http://www.kramerelectronics.com to check for up-to-date user manuals, application programs, and to check if firmware i upgrades are available (where appropriate). 2.1 Achieving the Best Performance To achieve the best performance: Use only good quality connection cables (we recomme
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2.2 Safety Instructions Caution: There are no operator serviceable parts inside the unit ! Warning: Use only the Kramer Electronics input power wall adapter that is provided with the unit Warning: Disconnect the power and unplug the unit from the wall before installing 2.3 Recycling Kramer Products The Waste Electrical and Electronic Equipment (WEEE) Directive 2002/96/EC aims to reduce the amount of WEEE sent for disposal to landfill or incineration by requiring it to be collected
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3 Overview The 104LN is a high-performance distribution amplifier and line driver for composite and SDI video signals. The 104LN 1:4 Differential Video Line Amplifier features: One composite video input and 4 identical buffered outputs Recessed gain and EQ. (equalization) trimmer controls that compensate for signal losses inherent in long cable runs Differential input that eliminates common mode noise picked up by the input cable, and supports long cables (letting you locate it a
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3.1 Defining the 104LN 1:4 Differential Video Line Amplifier This section defines the 104LN. Figure 1: 104LN 1:4 Differential Video Line Amplifier # Feature Function 1 INPUT BNC Connector Connects to the composite video source 2 OUT 1 BNC Connector Connects to composite video acceptor 1 3 OUT 2 BNC Connector Connects to composite video acceptor 2 4 OUT 3 BNC Connector Connects to composite video acceptor 3 5 OUT 4 BNC Connector Connects to composite video acceptor 4 6 12V DC +12V D
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Figure 2 illustrates the INPUT GROUND switch: Figure 2: 104LN 1:4 Differential Video Line Amplifier (Underside) By default, the INPUT GROUND switch is set to FLOAT (the input signal is isolated from the chassis). If the image appears noisy, set the switch to ON (the input signal is grounded to the chassis). 6 104LN - Overview
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4 Connecting the 104LN Always switch off the power to each device before connecting it to your 104LN. After connecting your 104LN, connect its power and then i switch on the power to each device. To connect the 104LN 1:4 Differential Video Line Amplifier, as the example in Figure 3 illustrates, connect the following: 1. Connect a composite video source (for example, a satellite decoder and receiver) to the INPUT BNC connector. 2. Connect the four OUT BNC connectors to up to four com
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Figure 3: Connecting the 104LN 1:4 Differential Video Line Amplifier 8 104LN - Connecting the 104LN
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5 Technical Specifications INPUT: 1 CV or SDI video, differential, 1Vpp/75 on a BNC connector OUTPUTS: 4 CV or SDI video, 1Vpp/75 on BNC connectors MAX. OUTPUT LEVEL: 1.6Vpp BANDWIDTH (-3dB): >400MHz DIFF. GAIN: 0.22% DIFF. PHASE: 0.1Deg K-FACTOR: <0.05% S/N RATIO: 73.3dB CONTROLS: Level: -1.3 to 6dB; EQ. 0 to 10.2dB COUPLING: DC POWER CONSUMPTION: 12V DC, 95mA OPERATING TEMPERATURE: 0° to +40°C (32° to 104°F) STORAGE TEMPERATURE: -40° to +70°C (-40° to 158°F) HUMIDITY: 10%
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For the latest information on our products and a list of Kramer distributors, visit our Web site where updates to this user manual may be found. We welcome your questions, comments, and feedback. Web site: www.kramerelectronics.com E-mail: info@kramerel.com SAFETY WARNING Disconnect the unit from the power ! supply before opening and servicing P/N: Rev: 2900-701141 5
