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ELECTRICAL SPECIFICATIONS: 

 

Frequency Range    
 

 

 

 

 

Downlink 

     : 

764-776 

and 

851-869 

MHz 

 
Uplink 

      : 

794-824 

MHz 

 

Pass band Gain @ min attenuation  

 

: 80 dB minimum 

 
Variable Step Attenuator Range   

 

: 0-30 dB  

(2-dB steps) 
 
Pass 

band 

Ripple 

 

    : 

±1.5 

dB 

(typ) 

 

Noise Figure @+25

°

C at max gain  

 

: 5.5 dB max 

 
3rd Order Intercept point    

 

 

 

Uplink                                 

 

   : 

+46 

dBm 

(typ) 

  

 

 

Downlink 

 

 

                                : +46 dBm (typ)  

 
*Output Power @ 1dB Compression 

  

Uplink 

      : 

+33 

dBm 

(typ) 

Downlink 

     : 

+33 

dBm 

(typ) 

 
*ALC Factory Set Point  
Uplink 

      : 

+26 

dBm 

 

Downlink 

     : 

+26 

dBm 

 

 
Isolation between Up/Down Link    

 

: 100 dB min 

 
Input/ 

Output 

Impedance 

   : 

50 

Ohms 

 
VSWR (Input/Output) 

 

 

 

: 1.5: 1 max 

 
Pass band Gain @ min attenuation  

 

: 80 dB minimum 

 
Power 

Supply 

     : 

110VAC/1.42Amp 

 

: 240VAC/0.71 Amp 
: 50 to 60 Hz 

 
 
 

*The Manufacturer's rated output power of this equipment is for single carrier operation. For situations 
when multiple carrier signals are present, the rating would have to be reduced by 3.5 dB, especially 
where the output signal is re-radiated and can cause interference to adjacent band users. This power 
reduction is to be by means of input power or gain reduction and not by an attenuator at the output of 
the device. 

 
 
 

Page 4 

Summary of Contents for BDA-PS8-2

Page 1: ...INSTALLATION AND OPERATING MANUAL BDA PS7 PS8 2 2W 80 A DUAL BAND BI DIRECTIONAL AMPLIFIER...

Page 2: ...ONS 4 MECHANICAL SPECIFICATIONS 5 ENVIRONMENTAL CONDITIONS 5 BDA CONNECTIONS 5 MECHANICAL OUTLINE DRAWING Figure 1 1a 6 BDA INSTALLATION 7 BDA OPERATION 8 UPLINK MECHANICAL OUTLINE ADJUSTMENT Figure 2...

Page 3: ...from the base station and amplifies and transmits them to the subscriber The BDA Uplink path receives RF signals from the subscriber and amplifies and transmits them to the base station The Uplink and...

Page 4: ...26 dBm Isolation between Up Down Link 100 dB min Input Output Impedance 50 Ohms VSWR Input Output 1 5 1 max Pass band Gain min attenuation 80 dB minimum Power Supply 110VAC 1 42Amp 240VAC 0 71 Amp 50...

Page 5: ...connector provides failure alarm output contacts see diagram next page as well as an optional 12 VDC 250mA auxiliary output The RF connections are made via two type N female connectors The RF connecto...

Page 6: ...ine Figure 1a Relay Shown in Non Alarm Condition The alarm monitors current of both uplink and downlink amplifiers An alarm condition will occur if either uplink or downlink amplifiers are over or und...

Page 7: ...to the BDA connector labeled BASE and the cable from the service antennas to the BDA connector labeled MOBILE 4 Open the adjustment access panels on the sides of the BDA and verify that both of the a...

Page 8: ...to the factory preset level of 26 dBm ALC function is located on each amplifier and accessible via the access door on the BDA enclosure A red indicator lamp located on each amplifier illuminates when...

Page 9: ...Figure 2 Uplink Adjustment Access Panel and Label Page 9 OFF ON ALC 0 30 UPLI NK...

Page 10: ...Figure 3 Downlink Adjustment Access Panel and Label Page 10 0 30 DOW NLINK OFF ON ALC...

Page 11: ...quires no periodic maintenance There are no user serviceable components inside the BDA This section covers possible problems that may be related to the installation or operating environment a Gain Red...

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