Audio Technica ATW-49CB Betriebsanleitung

Professional UHF

Wireless Systems

ATW-49CB Active Antenna Combiner Kit

Installation and Operation

1. Connect one 18" BNC-to-BNC RG 58 coaxial antenna cable (two

supplied) to the OUT connector on one Active Antenna Combiner

(two supplied). Connect the other end of this cable to the ANTENNA

A input on either a receiver or distribution amplifier, as shown below

(See Figure 1).

2. Repeat step 1 for the ANTENNA B input, using the second Active

Antenna Combiner.

3. Use coaxial antenna cables (not included) to connect the IN

connectors on each Active Antenna Combiner to a UHF antenna, as

shown below (See Figure 1).

4. NOTE: ATW-A49 antennas do not require power. If you are

using ATW-A49 antennas, skip Step 4. If you have an antenna

system that requires power (such as an antenna preamp or booster)

you must open the ATW-49CB Active Antenna Combiner assembly

and activate a switch on the circuit board. (This enables the

combiner to pass power through to the antenna.) Current

consumption of the preamp or booster should not exceed 100mA.

The unit is shipped with the switch in the “off” position. To flip the

switch to the “on” position, first be certain the combiner is not

attached to any power source. Next, use a Phillips screwdriver to

remove the two screws on the Active Antenna Combiner’s access

panel; remove the access panel; use a tweezers to flip the switch

into the “on” position. Finally, replace the access panel and securely

tighten the two screws. (See Figure 2.)

The Audio-Technica ATW-49CB Active Antenna Combiner Kit includes

two dual-input, one-output Active Antenna Combiners designed for use

with Audio-Technica 4000 and 5000 Series UHF wireless receivers and

ATW-A49 LPDA antennas.* Each Active Antenna Combiner is a

broadband device (frequency range from 440 to 900 MHz) that

combines two incoming RF signals into one outgoing RF signal. One

set of Active Antenna Combiners enables two sets of antennas to feed

one wireless receiver or distribution system. To compensate for RF

signal loss associated with combining signals, the Active Antenna

Combiner provides unity gain. (Note that without the use of an antenna

preamplifier, long antenna-cable length may deteriorate signal.)

Each kit includes: two Active Antenna Combiners and two 18" BNC-to-

BNC RG 58 coaxial antenna cables.

NOTE: The ATW-49CB Antenna Combiner requires +12V DC power

from any Audio-Technica 4000 or 5000 Series receiver or +5 to +14V DC

from any wireless receiver or antenna distribution system that offers

antenna power. A light on each Active Antenna Combiner indicates that

power has been correctly applied.

* The ATW-49CB Active Antenna Combiner Kit is also suitable for use

with other receivers that are in its specified band, use BNC antenna

connectors, and provide antenna terminal voltage; it may also be used

with a variety of other antennas from Audio-Technica and other

manufacturers.

HOW TO INSTALL THE ATW-49CB ACTIVE ANTENNA COMBINERS

Figure 2

Switch

Figure 1

Receiver or Distribution

Amplifier

OUT

IN IN

OUT

OFF

Active Antenna Combiner with access panel removed.

Audio-Technica U.S., Inc., 1221 Commerce Drive, Stow, Ohio 44224 330/686-2600

Audio-Technica Limited, Old Lane, Leeds LS11 8AG England 0113 277 1441

www.audio-technica.com

One-Year Limited Warranty

Audio-Technica brand products purchased in the U.S.A. are warranted for one year from date of purchase by Audio -Technica U.S., Inc. (A.T.U.S.)

to be free of defects in materials and workmanship. In event of such defect, product will be repaired promptly without charge or, at our option,

replaced with a new product of equal or superior value if delivered to A.T.U.S. or an Authorized Service Center, prepaid, together with the sales

slip or other proof of purchase date. Prior approval from A.T.U.S. is required for return. This warranty excludes defects due to normal wear,

abuse, shipping damage, or failure to use product in accordance with instructions. This warranty is void in the event of unauthorized repair or

modification, or removal or defacing of the product labeling.

For return approval and shipping information, contact the Service Dept., Audio-Technica U.S., Inc., 1221 Commerce Drive, Stow, Ohio 44224.

Except to the extent precluded by applicable state law, A.T.U.S. will have no liability for any consequential, incidental, or special damages; any

warranty of merchantability or fitness for particular purpose expires when this warranty expires.

This warranty gives you specific legal rights, and you may have other rights which vary from state to state.

Outside the U.S.A., please contact your local dealer for warranty details.

SPECIFICATIONS†FOR ATW-49CB

DESCRIPTION 2-Input Active Combiner

BANDWIDTH 440 MHz to 900 MHz

VSWR < 1.7:1 (within specified bandwidth)

GAIN 0 dB typical (within specified bandwidth)

IMPEDANCE 50 ohms, typical

(within specified bandwidth)

TERMINATION TYPE 3-BNC Female

WEIGHT 1.8 oz (51 g)

DIMENSIONS 2.38" (61.0 mm) W x

1.83" (47.0 mm) L x

0.92" (23.0 mm) H

DC INPUT 5-14V DC

CURRENT 30 mA @ 12V DC

FINISH ON ENCLOSURE Chemical film per MIL C 5541

MATERIAL 6063T52 extruded aluminum (sides)

5052-H32 aluminum (top and bottom)

PASS-THROUGH CURRENT 120 mA (maximum to both inputs

combined)

†Specifications are subject to change without notice.

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