Kramer 104LN Manuale utente

Kramer Electronics, Ltd.

USER MANUAL

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Model:

104LN

1:4 Differential Video Line Amplifier

Contents

Introduction 1

Getting Started 1

2.1

Quick Start 1

Overview 3

Your 104LN 1:4 Differential Video Line Amplifier 4

Connecting the 104LN 1:4 Differential Video Line Amplifier 6

Technical Specifications 8

Figures

Figure 1: 104LN 1:4 Differential Video Line Amplifier 4

Figure 2: 104LN 1:4 Differential Video Line Amplifier (Top Side Panel) 4

Figure 3: 104LN 1:4 Differential Video Line Amplifier (Lower Side Panel) 4

Figure 4: 104LN 1:4 Differential Video Line Amplifier (Underside Panel) 5

Figure 5: Connecting a 104LN 1:4 Differential Video Line Amplifier 7

Tables

Table 1: 104LN Component / UXGA HDMI Scaler Features 5

Table 2: Technical Specifications of the 104LN 1:4 Differential Video Line Amplifier 8

Introduction

1 Introduction

Welcome to Kramer Electronics (since 1981): a world of unique, creative and

affordable solutions to the infinite range of problems that confront the video,

audio and presentation professional on a daily basis. In recent years, we have

redesigned and upgraded most of our line, making the best even better! Our

500-plus different models now appear in 8 Groups

, which are clearly defined

by function.

Congratulations on purchasing your 104LN, which is ideal for:

Any system requiring a compact distribution amplifier and line driver

Rental and staging applications

The package includes the following items:

104LN 1:4 Differential Video Line Amplifier

Power adapter (12V DC Input)

Mounting bracket

This user manual

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

Use Kramer high performance high resolution cables

2.1 Quick Start

This quick start chart summarizes the basic setup and operation steps.

1 GROUP 1: Distribution Amplifiers; GROUP 2: Video and Audio Switchers, Matrix Switchers and Controllers; GROUP 3:

Video, Audio, VGA/XGA Processors; GROUP 4: Interfaces and Sync Processors; GROUP 5: Twisted Pair Interfaces;

GROUP 6: Accessories and Rack Adapters; GROUP 7: Scan Converters and Scalers; and GROUP 8: Cables and Connectors

2 Download up-to-date Kramer user manuals from the Internet at this URL: http://www.kramerelectronics.com

3 The complete list of Kramer cables is on our Web site at http://www.kramerelectronics.com

KRAMER: SIMPLE CREATIVE TECHNOLOGY

Getting Started

Overview

3 Overview

The high performance 104LN is a distribution amplifier and a line driver for

composite and SDI video signals.

In particular, the 104LN 1:4 Differential Video Line Amplifier:

Accepts a composite video input and provides 4 identical buffered outputs

Includes recessed Gain and EQ. (equalization) trimmer controls, which

compensate for signal losses inherent in long cable runs

Has a differential input, which helps to eliminate common mode noise

picked up by the input cable, and supports the use of long cables (letting

you locate it anywhere in the distribution chain)

Has a bandwidth in excess of 400MHz, ensuring that it remains

transparent even in the most critical applications

Is fully DC coupled, ensuring the best linearity and signal flatness

To achieve the best performance:

Connect only good quality connection cables, thus avoiding interference,

deterioration in signal quality due to poor matching, and elevated noise-

levels (often associated with low quality cables)

Avoid interference from neighboring electrical appliances and position

your Kramer 104LN away from moisture, excessive sunlight and dust

Caution – No operator-serviceable parts inside unit.

Warning – Use only the Kramer Electronics input power

wall adapter that is provided with this unit

Warning – Disconnect power and unplug unit from wall

before installing or removing device or servicing unit.

1 For example: model number AD2512C, part number 2535-000251

KRAMER: SIMPLE CREATIVE TECHNOLOGY

Your 104LN 1:4 Differential Video Line Amplifier

4 Your 104LN 1:4 Differential Video Line Amplifier

Figure 1, Figure 2, Figure 3 and Table 1 define the 104LN:

Figure 1: 104LN 1:4 Differential Video Line Amplifier

Figure 2: 104LN 1:4 Differential Video Line Amplifier (Top Side Panel)

Figure 3: 104LN 1:4 Differential Video Line Amplifier (Lower Side Panel)

Your 104LN 1:4 Differential Video Line Amplifier

Table 1: 104LN Component / UXGA HDMI Scaler Features

# Feature Function

1 12V DC +12V DC connector for powering the unit

2 OUT 4 BNC Connector Connects to composite video acceptor 4

3 OUT 3 BNC Connector Connects to composite video acceptor 3

4 OUT 2 BNC Connector Connects to composite video acceptor 2

5 OUT 1 BNC Connector Connects to composite video acceptor 1

6 INPUT BNC Connector

Connects to the composite video source

7 LEVEL Trimmer Adjusts

the output signal level for outputs 1, 2, 3 and 4

8 EQ. Trimmer Adjusts

the cable compensation equalization level

9 ON LED Illuminates when receiving power

Figure 4 illustrates the INPUT GROUND switch:

Figure 4: 104LN 1:4 Differential Video Line Amplifier (Underside Panel)

By default, the INPUT GROUND switch is set to FLOAT

. If the image

appears noisy, set the switch to ON

1 Insert a screwdriver into the hole and carefully rotate it, to trim the level

2 The input signal is isolated from the chassis

3 The input signal is grounded to the chassis

KRAMER: SIMPLE CREATIVE TECHNOLOGY

Connecting the 104LN 1:4 Differential Video Line Amplifier

5 Connecting the 104LN 1:4 Differential Video Line Amplifier

To connect the 104LN 1:4 Differential Video Line Amplifier, as the example

in Figure 5 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 composite video

acceptors, as follows:

Connect the OUT 1 connector to video acceptor 1 (for example, a

video recorder)

Connect the OUT 2 connector to video acceptor 2 (for example, a

video display)

Connect the OUT 3 connector to video acceptor 3 (for example, a

video display)

Connect the OUT 4 connector to video acceptor 4 (for example, a

video display)

3. Adjust the output signal level and/or cable compensation equalization level, if

required.

4. If the image appears noisy, set the INPUT GROUND to either ON or FLOAT

to lower the noise level.

1 Switch OFF the power on each device before connecting it to your 104LN. After connecting your 104LN, switch on its

power and then switch on the power on each device

Connecting the 104LN 1:4 Differential Video Line Amplifier

Figure 5: Connecting a 104LN 1:4 Differential Video Line Amplifier

KRAMER: SIMPLE CREATIVE TECHNOLOGY

Technical Specifications

6 Technical Specifications

Table 2: Technical Specifications

of the 104LN 1:4 Differential Video Line Amplifier

INPUT: 1 video (CV IN), differential, 1Vpp / 75, on a BNC type connector

OUTPUTS: 4 video, 1Vpp / 75on BNC type connectors

MAX. OUTPUT LEVEL:

1.6Vpp

BANDWIDTH (-3dB): >400MHz

DIFF. GAIN: 0.22%

DIFF. PHASE: 0.1 Deg

K-FACTOR: <0.05%

S/N RATIO: 73.3dB

CONTROLS: Level: -1.3 to 6dB; EQ. 0 to 10.2dB

COUPLING: DC

POWER SOURCE: 12 VDC, 95mA

DIMENSIONS: 12cm x 7.5cm x 2.5cm (4.7" x 2.95" x 0.98"), W, D, H.

WEIGHT: 0.3kg. (0.66lbs.) approx.

ACCESSORIES: Power supply, mounting bracket

OPTIONS: Can be rack-mounted

1 Specifications are subject to change without notice

2 The complete list of rack adapters is on our Web site at http://www.kramerelectronics.com

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