Vislink PLTX Manuel utilisateur

Vislink, Waterside House, Earls Colne Business Park, Colchester, Essex, CO6 2NS, UK

Telephone: +44 (0)1442 431300 ● Facsimile: +44 (0) 1494 775356 ● Email: sales@vislink.com ● Website: www.vislink.com

Company Registered in England & Wales no. 10523708 ● VAT registration no. GB 260 012 169

Registered Office: Waterside House, Earls Colne Business Park, Colchester, Essex, CO6 2NS, UK

Issue No: 01 Page: ii

The information contained in this manual remains the property of Vislink. Do not use,

disclosed or reproduced any of its content in any other form whatsoever without the prior

written permission of Vislink.

Vislink reserves the right to alter the equipment and specification appertaining to the

equipment described in this manual without notification.

This document is supplied on the express terms that it is to be treated as confidential and

that it may not be copied, used or disclosed to others for any purpose except as authorized

by Vislink.

Add any additional Trademark content from external companies from their websites

trademark pages etc.

NOTE: Notes show to convey additional information.

CAUTION: Cautions show where potential equipment damage could occur.

WARNING: Warnings show where there is potential for personal danger or risk of death.

Read all warnings and understand them before carrying out work on any

equipment. This includes peripherals and any related equipment in use. The

danger is real and not reading and understanding the warning could lead to

injury, harm or potential death.

Region

Contact Details

Worldwide

[email protected]

+44 (0) 1442 431410

Americas

[email protected]

+1 978 330 9292

When contacting Technical Support, please include the following information:

Model number and serial number of the unit (located on a label on the bottom of

each unit).

………………………………………….

Approximate date of purchase.

………………………………………….

Issue No: 01 Page: iii

Version

Date

Modification

Updated By

24/05/2017

First release of document.

Issue No: 01 Page: iv

1. General Information .................................................................................................. 1

1.1. Health and Safety.......................................................................................................................1

1.2. Environmental Operating Conditions ........................................................................................1

1.2.1. Exposure to Non-ironizing (RF) radiation/Safe Working Distances...........................................1

1.3. Maximum RF Power Density Limits ...........................................................................................2

2. Introduction .............................................................................................................. 3

3. Specifications ............................................................................................................ 5

4. Monitoring and Control Functions.............................................................................. 7

4.1. Control Panel Layout..................................................................................................................7

4.2. Front Panel Layout .....................................................................................................................8

5. Connector and Pin Outs ............................................................................................. 9

5.1. RF Output ...................................................................................................................................9

5.2. DC Input......................................................................................................................................9

5.3. SDI & ASI Input ........................................................................................................................... 9

5.4. HDMI ..........................................................................................................................................9

5.5. Audio Connectors.......................................................................................................................9

5.6. L1700 Optional Lemo to ASI/SDI Cable......................................................................................9

5.7. Fan Power ..................................................................................................................................9

6. Installation Requirements........................................................................................ 11

6.1. Handling Precautions ...............................................................................................................11

6.2. Installation................................................................................................................................11

Figure 4-1 Front Panel Layout ........................................................................................................ 7

Figure 4-2 Front Panel Layout ........................................................................................................ 8

Table 2-1 Power Level Control Settings ........................................................................................ 3

Table 3-1 Specifications ................................................................................................................ 5

Table 4-1 Control Panel Description ............................................................................................. 7

Table 4-2 Front Panel Description................................................................................................. 8

PLTX Digital Power Amplifier User Manual

General Information

Issue No: 01 Page: 1

The personnel concerned with the operation or maintenance of the equipment must study

and understand the following health and safety information, together with local site

regulations to ensure awareness of potential hazards.

WARNING: RF Power Hazard: High levels of RF power are present in the unit. Exposure to

RF or microwave power can cause burns and may be harmful to health.

WARNING: GaAs/BeO Hazard: Certain components inside the equipment contain toxic

substances, such as Gallium Arsenide and Beryllium Oxide. While these are safe

to handle under normal circumstances, individual components must not be cut,

broken apart, incinerated or chemically processed. In the case of Beryllium

Oxide, a white ceramic material, the principal hazard is from the dust or fumes,

which are carcinogenic if ingested, inhaled or enter the body via damaged skin.

Please consult your local authority before disposing of these components.

CAUTION Tantalum Capacitors: When subjected to reverse or excess forward voltage,

ripple current or temperature these components may rupture and could

potentially cause personal injury.

CAUTION: This system contains MOS devices. Ensure you use adequate Electro-Static

Discharge (ESD) precautions to prevent accidental damage.

The safe working distance from a transmitting antenna may be calculated from the

relationship:

D =

In which:

D = safe working distance (metres)

PT = transmitter or combiner power output (Watts)

GR = antenna gain ratio = anti log (gain dBi ÷ 10)

w = power density (Watts/square metre)

The RF power density value is determined by reference to safety guidelines for exposure of

the human body to non-ionising radiation. It is important to note that the guidelines

adopted differ throughout the world and are from time-to-time re-issued with revised

guidelines. For Vislink use, apply a maximum power density limit of 1W/m² when

calculating minimum safe working distances.

WARNING: Any transmitting equipment radiating power at frequencies of 100 kHz and

higher, has the potential to produce thermal and athermal effects upon the

human body.

PT. GR

4 W

PLTX Digital Power Amplifier User Manual

General Information

Issue No: 01 Page: 2

To be safe:

a. Operators should not stand or walk in front of any antenna, nor should they

allow anyone else to do so.

b. Operators should not operate any RF transmitter or power amplifier with any of

its covers removed, nor should they allow anyone else to do so.

Worked examples:

Antenna

Transmitter Power

Type

Gain (dBi)

Gain Ratio

10W

30W

OMNI

2.5

1.5

2.5

HELIX

100

5.6

15.5

PARABOLIC DISH

3,162

22.5

MINIMUM SAFE DISTANCE (METRES)

The RF Radiation Power Density limit figure recommended by Vislink is based upon

guideline levels published in:

a. IEEE standard C95.1 1999 - IEEE Standard for Safety Levels with respect to

Human Exposure to Radio Frequency Electromagnetic Fields, 3kHz to 300GHz.

b. Guidelines for Limiting Exposure to Time-varying Electric, Magnetic &

Electromagnetic Fields (up to 300GHz) published in 1998 by the Secretariat of the

International Commission on Non-Ionising Radiation Protection (ICNIRP).

Both documents define guideline RF power density limits for "Controlled" and

"Uncontrolled" environments. An uncontrolled environment is defined as one in which the

person subjected to the RF radiation may be unaware of and has no control over the

radiation energy received. The uncontrolled environment conditions can arise, even in the

best-regulated operations and for this reason, the limits defined for the uncontrolled

environment are assumed for the Vislink recommended limit.

Documents a. and b. also show the RF power density guidelines to be frequency

dependent. The two documents present different power density/frequency characteristics.

To avoid complexity and areas of uncertainty, Vislink recommend the use of a single power

density limit across the frequency range of 100 kHz to 300GHz. The 1W/m² power density

limit we recommend satisfies the most stringent of the guidelines published to date.

NOTE: The IICNIRP document are free to download from the internet

(www.icnirp.de/emfgdl - PDF file). The IEEE standard is available on loan from Essex

County Library on payment of a search fee.

PLTX Digital Power Amplifier User Manual

Introduction

Issue No: 01 Page: 3

Typically, thePLTX Power Amplifier is used to boost the power level from a Vislink

wireless camera transmitter (L17001, ClipOn4 and HCAM) in order to achieve longer link

distances and/or facilitate the use of higher modulation rates due to the increased

threshold level and link budget margins.

Typical applications include terrestrial and marine video, motorcycle uplinks for long

distance marathon events and impromptu mobile point-to-point video link systems.

The PLTX range operates over frequencies between 1.3 to 7GHz, in bands, with a typical

factory-set bandwidth of 400MHz and a nominal output power of 5W, 10W and 20W. The

amplifiers feature GaN device technology and RF Pre-Distortion correction techniques2

providing excellent linearity suitable for COFDM signals.

The unit can derive power using portable battery packs ranging from 12VDC to 28VDC3. A

built in voltmeter is included to allow accurate monitoring of battery condition.

The RF Power output level is AGC controlled. The power output can be reduced by 10dB

using the rotary control knob. Using this function increases battery life and reduces the

potential for de-sensitization of nearby receiver infrastructure.

Power Level Control

5W PA

10W PA

20W PA

Max Setting

+37dBm (5W)

+40dBm (10W)

+43dBm (20W)

Min Setting

+27dBm (0.5W)

+30dBm (1W)

+33dBm (2W)

Table 2-1 Power Level Control Settings

1The L1700 requires an optional IDX adaptor kit, part number: 9017119.

2Frequency ranges of 3.7GHz or lower.

320W options operate between 20 to 30VDC.

PLTX Digital Power Amplifier User Manual

Introduction

Issue No: 01 Page: 4

This page is intentionally unused.

PLTX Digital Power Amplifier User Manual

Specifications

Issue No: 01 Page: 5

Feature

Details

Frequency Band

1.3 to 7.0 GHz

Output Power

Up to 20W

Linear Pre-distortion Correction

Automatically enabled

Reverse Power

Protected by circulator

Impedance

50Ω in/out

Spurious

Better than -60 dBc

Gain Flatness

+/-1 dB over frequency range

Gain vs. Temperature

+/-1 dB over temperature range

Third Order Intercept

+62 dBm

Input VSWR

1.4.1

RF Input Connector

N-Type

RF Output Connector

N-Type

Power Connector

2-pin DC power connector 12-28VDC (Or 20

to 30VDC with 20W Variant)

Neutrik Speakon NL2FX RS Part 340-0958

Monitoring LEDs

DC present

RF present

Load fault

Over temperature

Power Requirement

+10 to +30V DC at 150W (typical)

Weight

2.6 Kg

Environmental

Housing:

IP55

Safe use:

-20°C to 50°C (-4oF to 122oF)

To spec:

-10°C to 45°C (14oF to 113oF)

Altitude:

3500 m (11483 ft.)

Humidity:

95% long term

Table 3-1 Specifications

PLTX Digital Power Amplifier User Manual

Specifications

Issue No: 01 Page: 6

This page is intentionally unused.

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