dBTechnologies TOURING RACK MOVING D Owner's manual

MANUALE D’USO – Sezione 1

USER MANUAL - Section 1

BEDIENUNGSANLEITUNG - Abschnitt 1

CARACTERISTIQUES TECHNIQUES - Section 1

Le avvertenze nel presente manuale devono essere osservate congiuntamente al “Manuale d’uso - Sezione2”.

The warnings in this manual must be observed together with the "User Manual - Section 2".

Die Warnungen in diesem Handbuch müssen in Verbindung mit der "- Bedienungsanleitung - Abschnitt

2" beobachtet werden.

Les avertissements dans ce manuel doivent être respectées en collaboration avec le "Caratteristiques

Techniques - Section 2".

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AA800W / UPA800

ENGLISH

9

AA800W ANTENNA AMPLIFIER

1 DESCRIPTION

The AA 800W programmable increase antenna amplifier (UHF band) is supplied together with two

BNC/BNC cables of 40 cm length in a 2 pieces kit.

This amplifier permits to compensate the losses caused by possible long sections of cable to

antennas, from AS6W distributor. Use can be made of the AA 800W amplifier both with RDA800W

directional antennas and OWBA omnidirectional wide-band antennas.

By means of the AA 800W amplifier you can:

- Improve the signal "coverage" in the working zone.

- Increase the useful range of radio-microphones, in this way permitting installations

even on wide surfaces such as stadiums or sports halls.

2 INSTALLATION

Two AA 800W amplifiers shall be used, one per antenna.

3 CONNECTION

The following description shows the connection of the AA 800W antenna amplifier to the RDA800W

directional antenna or to the OWBA omnidirectional antenna together with AS6W distributor.

- Set the “Phantom Power” button, positioned on the back of AS6W distributor to ON,

in this way the antenna amplifiers will be fed by means of BNC connector that carries also the radio-

frequency signal.

Check that the green led positioned on the front panel of AS6W is on (fig. 1)

- Make use of the 40 cm cable provided in the kit to connect the RDA800W directional

or OWBA omnidirectional antenna with the stand adapter provided in kit to the antenna amplifier

input connector (figg. 2-3).

ENGLISH

10

Make use of a BNC/BNC 50 Ohm cable (not included) to connect the “RECEIVER” connectors of the

antenna amplifiers to the INPUT A and B connectors of the antenna distributor: the switching on of

GREEN LED“ON” of AA800W indicates that the system is being fed correctly.

The length of above-said cable is determined by the type of connection to be carried out.

The antenna amplifier is provided with a deviator that permits to change the increase from 5 to 10,

to 15, to 20dB.

AA800W / UPA800

ENGLISH

11

The table below shows the various types of conductors with different length and relevant

amplification. With these data, every operator can decide, according to the available cable and the

length of the section for the specific application, how to set the AA800W increase selector.

ENGLISH

12

* Considering the 10 mm thickness, the cable shall be cabled with “N” connector and then connected

to the antenna amplifier (AA800W) and to the antenna distributor (AS6W) by means of an N-BNC

adapter.

# Suggested in most of configurations and easily available

As an example, if antennas have to be positioned at forty meters approx. from where receives and

antenna distributor are located, it is sufficient to make use of a BNC/BNC cable of RG223/U type, of

approx. length of 40 meters and to set the AA 800W increase to 20 dB (or to make use of a BNC/BNC

cable of RG213/U type, of approx. length of 40 meters and to set the increase to 10 dB).

4 OPTIMAL POSITIONING OF THE ANTENNAS

The installation of the antennas close to the stage or to the working zone of the transmitters ensures

an optimal radio coverage as well as a high standard of immunity to external interference. This is

possible thanks to the AA800W antenna amplifier. Even in INDOOR use many advantages can be

got by positioning the receivers in one environment together with other devices in control room and

the antennas at a certain distance in the same premise where the transmitters are located (even

without an available socket). In this case, such an arrangement would solve the problem generated

by the wall reflections, that normally reduce the range of the radio equipment.

5 TECHNICAL SPECIFICATIONS

Types of conductors

Length of cable

Recommended

amplification

RG 58 (diameter 5 mm)

RG 58 ( diameter 5 mm )

From 3 to 8 metres

From 9 to 14 metres

From 15 to 20 metres

From 21 to 26 metres

5 dB

10 dB

15 dB

20 dB

RG 223/U ( diameter 5 mm)#

RG 223/U ( diameter 5 mm )#

From 5 to15 metres

From 16 to 25 metres

From 26 to 35 metres

From 36 to 45 metres

5 dB

10 dB

15 dB

20 dB

RG 223/U (diameter 10 mm )

RG 223/U (diameter 10 mm)

From 10 to 30 metres *

From 31 to 45 metres *

From 46 to 64 metres *

From 65 to 80 metres *

5 dB

10 dB

15 dB

20 dB

Frequency range

470-870 MHz

Gain

selectable 5dB-10dB-15dB-20dB

Power supply

8 Vcc @ 70mA (REMOTE POWER (AS6W)

Noise figure

0.9 dB

Compression point

1 dB = 17.8 dBm

OIP3 = 33 dB

Input and Output

standard BNC connectors

Input and Output impedance

50 Ohm

AA800W / UPA800

ENGLISH

13

UPA 800 PROGRAMMABLE ATTENUATOR

1 DESCRIPTION

The UPA 800 programmable attenuation antenna attenuator (UHF band) is supplied together with

two BNC/BNC cables of 40 cm length in a 2 pieces kit.

This attenuator permits to increase the immunity to the external noises when joined to the AS6W

antenna distributor.

Use can be made of the UPA 800 attenuator with RDA800W directional antennas.

By means of UPA 800 attenuator you can:

- Make use of many radio-microphones in a very small space, very close to directional

antennas without risking any intermodulation

- Make the radio-microphones immune to external interference.

2 INSTALLATION

In many applications it is necessary to use two programmable attenuations UPA800, one for each

antenna dell'AS6W

3 CONNECTION

The following description shows the connection of the UPA 800 antenna attenuator to the RDA800W

directional antenna together with AS6W distributor.

- Set the “Phantom Power” button, positioned on the back of AS6W distributor to ON, in this

way the antenna attenuators will be fed by means of BNC connector that carries also the radio-

frequency signal. Check that the green led positioned on the front panel of AS6W is on (fig. 1)

- Make use of the 40 cm cable to connect the RDA800W directional to the antenna amplifier

input connector (fig. 2).

ENGLISH

14

Make use of a BNC/BNC 50 Ohm cable connect the “RECEIVER” connectors of the antenna

attenuators to the INPUT A and B connectors of the antenna distributor: the switching on of the RED

LED “ON” of UPA800 indicates that the system is being fed correctly. The antenna attenuator is

provided with a deviator that permits to vary the signal attenuation from 2dB – 6dB –12dB or 18dB.

The table below shows the attenuation suggested depending on the distance between the

directional antennas and transmitters on the stage, as reference 2 meters of coaxial cable between

the antenna and the splitter AS6W.

Distance between directional antennas and

transmitters

Recommended attenuation

for UPA800

Less than 5 mt

12 dB

From 5 to 15 mt

6 dB

From 16 mt to 36 mt

2 dB

Over 36 mt

Attenuation not necessary

It is recommended to do some tests on the practice field if there is a group of microphones very

close to the antennas and other more distant microphones, this is one of the most critical

applications for any type of microphone.

4 RECOMMENDED ATTENUATION

For example: if the situation allowed to place the directional antenna to the stage (less than 5

metres from the artists who use wireless microphones), selecting an attenuation of 12 dB is

equivalent to a double advantage:

1) most of intermodulation events would be avoided (saturation in the receiver

input step)

2) possible external noises would be hugely attenuated (more than 50 times).

Also the useful range of the system would be decreased but, anyway, it would be much

higher than 50 metres (well beyond the maximum requirement of the application).

5 TECHNICAL SPECIFICATIONS

Frequency range

470-870 MHz

Attenuation

selectable 2dB-6dB-12dB-18dB

Power supply

8 Vcc @ 70mA (REMOTE POWER (AS6W)

Input and Output

standard BNC connectors

Input and Output impedance

50 Ohm

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Features, specification and appearance of products are subject to change

without notice.

dBTechnologies reserves the right to make changes or improvements in design

or manufacturing without assuming any obligation to change or improve

products previously manufactured.

A.E.B. Industriale Srl

Via Brodolini, 8

Località Crespellano

40053 VALSAMOGGIA

BOLOGNA (ITALIA)

Tel. +39 051 969870

Fax +39 051 969725

www.dbtechnologies.com

info@dbtechnologies-aeb.com

Codice 420120236

dBTechnologies TOURING RACK MOVING D Owner's manual

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