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Elisra MW-CBDA SERIES 10W-80-A, Инструкция по установке и эксплуатации

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Dekolink Wireless Ltd.;16 Bazel St.Qiryat-Arieh Petah-Tikva Israel, 49510 
Tel- 972-3-9180-180; Fax-972-3-

190

-

9180

; 

[email protected]

 

 

 INSTALLATION & 

 OPERATING INSTRUCTIONS  

 

  CBDA 10W-80-A 

 

COMPACT BI-DIRECTIONAL AMPLIFIERS  

 

 

TABLE OF CONTENTS 

 

PARAGRAPH PAGE 

No 

BDA OVERVIEW

 

3 

BLOCK DIAGRAM DESCRIPTION

 

3 

STEP ATTENUATOR & RF GAIN & SETTING

 

4 

AGC FUNCTION

 

5 

AGC & GAIN CONTROLS

 

5 

BDA INSTALLATION 

6 

BASE/DONOR ANTENNA INSTALLATION

 

 6 

REMOTE/MOBILE ANTENNA INSTALLATION 

 6 

ANTENNA ISOLATION

 

6 

INSTALLATION STEPS 

7 

DIAGNOSTICS GUIDE 

 8 

ELECTRICAL SPECIFICATIONS

 

9 

SYSTEM FREQUENCY RANGE 

9 

ENVIRONMENTAL CONDITIONS 

 

10 

MECHANICAL SPECIFICATIONS 

10 

RF EXPOSURE WARNING 

10 

LIMITED WARRANTY 

12 

 

LIST OF DRAWINGS 

 

DRAWING PAGE 

No 

BDA RF BLOCK DIAGRAM 

 

4 

AGC AMPLIFIER

 

5 

MECHANICAL OUTLINE

 

11 

 

; 

Web site- 

www.dekolink.com

                        

r

ev 5     11/

02

                                                      page 2 of 12

                      

 

Содержание MW-CBDA SERIES 10W-80-A

Страница 1: ...h Petah Tikva Israel 49510 Tel 972 3 9180 180 Fax 972 3 190 9180 Email marketing dekolink com INSTALLATION AND OPERATING INSTRUCTIONS FOR MW CBDA SERIES 10W 80 A COMPACT BI DIRECTIONAL AMPLIFIERS Web site www dekolink com rev 5 11 02 page 1 of 12 ...

Страница 2: ...TENUATOR RF GAIN SETTING 4 AGC FUNCTION 5 AGC GAIN CONTROLS 5 BDA INSTALLATION 6 BASE DONOR ANTENNA INSTALLATION 6 REMOTE MOBILE ANTENNA INSTALLATION 6 ANTENNA ISOLATION 6 INSTALLATION STEPS 7 DIAGNOSTICS GUIDE 8 ELECTRICAL SPECIFICATIONS 9 SYSTEM FREQUENCY RANGE 9 ENVIRONMENTAL CONDITIONS 10 MECHANICAL SPECIFICATIONS 10 RF EXPOSURE WARNING 10 LIMITED WARRANTY 12 LIST OF DRAWINGS DRAWING PAGE No B...

Страница 3: ...th receives the RF signals from the subscriber amplifies them and transmits them to the base station Two duplexers frequency separate the signals to the proper amplifying path and isolate the two signals For each path two amplifiers do the path signal amplification a low noise amplifier LNA and a high power amplifier The low noise amplifier has a 30 dB step attenuator at its output The step attenu...

Страница 4: ...or RF Gain Setting For proper operation of the BDA the isolation between the base station antenna and the mobile antenna should exceed the BDA gain by at least 12 dB If the BDA gain were higher than the isolation between the antennas oscillation would start and would saturate the amplifier Isolation few dB higher than the BDA gain cannot start oscillations but would cause gain ripple in the band T...

Страница 5: ...n the power out the amplifier is within the set limit when the AGC is On and when the AGC is OFF The switch on the RF amplifier enables the AGC function If the AGC is disabled then the amplifier gives maximum gain AGC AND GAIN CONTROLS The AGC and GAIN SETTING functions for the up link path are reached by opening the small slide door located on the CBDA left side adjacent to the BASE antenna port ...

Страница 6: ... base site Raise this antenna higher if no line of sight is achieved The required Base signals should be the dominant signals at least 6 dB higher power than other signals Choose the antenna site to get the maximum isolation from the remote mobile serving antenna MOBILE ANTENNA INSTALLATION REMOTE The remote antenna is an Omni antenna or a directional antenna according to the coverage requirements...

Страница 7: ...or power has reached the BDA If the donor power is low the LED will not lit and the BDA usable power is not used efficiently 7 Set the uplink gain to the same as the downlink gain 8 Check that the uplink LED on the BDA monitor does not lit permanently This LED would lit permanently If the isolation between antennas is low BDA oscillations or the BDA is faulty 9 If the uplink LED light permanently ...

Страница 8: ...base Increase BDA RFgain Downlink LED lights This is not a fault Indicates good power transmission in the downlink amplifier Make sure the amplifier is not overloaded Turn AGC on or reduce gain so that LED just turns from off to on Set the same gain for the uplink channel Uplink LED lights all the time Bad antenna isolation causing the repeater system to oscillate Improve the isolation between the...

Страница 9: ... Set Power Level both at On and Off positions AGC Factory Power Preset Up link 24 dBm nom Down link 30 dBm nom Amplifier Power Output 1 dB Compression Up Link 1 Watts Down Link 10 Watts 3rd Order output Intercept point Up Link 45 dBm typical Down Link 50 dBm typical Power Supply 110 220V AC 50 60 Hz 1A System Frequency Range SYSTEM TYPE MODEL No DOWN LINK UP LINK E SMR iDEN MW CBDA ESMR 10W80A 851...

Страница 10: ... Yagi type or similar pointed to the donor BTS This type of antenna has about 10 dBi gain Typical specifications gain 8 dBd 10 1 dBi VSWR better than 1 5 1 Impedance 50 ohm The outdoor antenna must be installed to provide a minimum separation distance of 0 5 m 50 cm from persons within the area The second antenna is connected via cable that has typical 1 10 dB attenuation depends on the length of ...

Страница 11: ...link Wireless Ltd 16 Bazel St Qiryat Arieh Petah Tikva Israel 49510 Tel 972 3 9180 180 Fax 972 3 190 9180 Email marketing dekolink com Web site www dekolink com rev 5 11 02 page 11 of 12 MECHANICAL OUTLINE ...

Страница 12: ...dalism or repaired or altered in any way that adversely affects its performance or reliability To obtain warranty service Purchaser may upon the prior written authorization of Dekolink or its authorizerd service representative return the defective Product to Dekolink s authorized service center All shipping and insurance charges are the sole responsibility of Purchaser and are not included in this...

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