G-Wave BDA-PS7W-20/20-70-M BDA-PS9-20/20-70-M Installation And Operating Manual Download Page 1 | Manualshive

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Installation

and

Operating Manual

BDA-PS8NEPS-20/20-70-M
BDA-PS8-20/20-70-M

BDA-PS7W-20/20-70-M
BDA-PS9-20/20-70-M

Single Band Mini Bi-Directional Amplifier

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Summary of Contents for BDA-PS7W-20/20-70-M BDA-PS9-20/20-70-M

Page 1: ...Installation and Operating Manual BDA PS8NEPS 20 20 70 M BDA PS8 20 20 70 M BDA PS7W 20 20 70 M BDA PS9 20 20 70 M Single Band Mini Bi Directional Amplifier ...

Page 2: ...5 ELECTRICAL SPECIFICATIONS 6 MECHANICAL SPECIFICATIONS 7 ENVIRONMENTAL CONDITIONS 7 AVAILABLE OPTIONAL FEATURES 8 ALARM CONDITIONS 8 BDA CONNECTIONS 9 BDA INSTALLATION 10 MECHANICAL OUTLINE 11 BDA OPERATION 12 VARIABLE STEP ATTENUATOR 13 LED INDICATOR DESCRIPTIONS AND FIELD TESTING 15 DIAGNOSTICS GUIDE 16 ANTENNA SEPERATION 16 APPENDIX 1 17 APPENDIX 2 18 ...

Page 3: ...ment shouldn t be used if this protection is impaired The supplied power cord must be used along with an uninterrupted external power source HAZARDOUS LINE AND RF VOLTAGES This symbol is marked on the equipment where dangerous voltages are present Use extreme caution Both RF input and output connectors should be terminated prior to the application of the external AC source Otherwise contact with t...

Page 4: ...xposure Requirements pursuant to IC RSS 131 https www ic gc ca eic site smt gst nsf vwapj cpc2105e pdf FILE cpc2105e pdf NOTE 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 adj...

Page 5: ... and corresponding band codes Frequencies applicable to your unit will also be on unit s specification sheet The diplexer isolates the paths and route each signal to the proper amplifying channel An Automatic Level Control ALC allows for output power limiting A variable step attenuator gives 0 30 dB of attenuation in 2 dB steps The use of these controls is covered in the OPERATION section later in...

Page 6: ...Hz 935 941 MHz ELECTRICAL SPECIFICATIONS Specifications Typical Frequency Range See Table 1 Pass band Gain min attenuation 70 dB Maximum RF Input Signal Level 30 dBm Variable Step Attenuator Range 2 dB steps 0 30 dB Pass band Ripple 1 5 dB Noise Figure 25 C at max gain 5 0 dB IP3 dBm 2 Tones 17 dBm Uplink Downlink 37 dBm 37 dBm Composite Output Power Single Channel Uplink Downlink 20 dBm 20 dBm Is...

Page 7: ...dissipation surfaces of the systems The AC power supply should be conditioned for normal indoor appliance applications Standard Indoor BDA s are NOT designed for outdoor applications where the ambient temperature is outside the recommended range or inside an additional enclosure This will prevent normal airflow on heat dissipation surfaces of the systems damaging Amplifiers and the Main Power Supp...

Page 8: ...powered by generator RM9 9 Pin connector to enable remote alarming via dry contact Alarms include Uplink Amplifier Failure Downlink Amplifier Failure Uplink ALC Downlink ALC ALARM CONDITIONS The alarm monitors the current of both the uplink and downlink amplifiers An alarm condition will occur if either the uplink or downlink amplifiers are over or under its current tolerance Additionally each fai...

Page 9: ...eled MOBILE must be connected to the antenna facing the area to be covered by the BDA The RF connections must be made through cables with characteristic impedance of 50 ohms The isolation between the base station antenna and the mobile antenna should be at least 15 dB higher than the BDA gain Isolation less than this value can cause gain ripple across the band Isolation equal to or less than the B...

Page 10: ... the cable from the donor antenna to the BDA connector labeled BASE and the cable from the service antennas to the BDA connector labeled MOBILE 4 Verify that both of the attenuator s are positioned to its maximum setting 30 dB on the unit s front panel 5 Connect the power cord to the BDA and then to the power source Verify that the Power ON lamp is illuminated Installation of the BDA is now comple...

Page 11: ...11 P a ge MECHANICAL OUTLINE ...

Page 12: ...ble during commissioning to test the actual Uplink power a safe rule of thumb on Uplink adjustment is to set the gain 10 dB lower than the Downlink path Operation of the BDA at maximum gain with greater than 30 dBm average power incident on either BASE or MOBILE port can cause damage to the BDA Figure 2a Conditions for ALC Alarm The alarm monitors current of both uplink and downlink amplifiers An ...

Page 13: ...enclosure Arrows on the shafts of these switches point to the value of attenuation selected BDA gain can be determined by subtracting the attenuation value from the gain reported on the BDA Test Data Sheet for that side of the unit The attenuators are labeled for Uplink and Downlink Figure 3a Conditions for DC Backup Alarm The alarm monitors the AC power If the AC power fails and DC is connected t...

Page 14: ...that may be populated into the O26 pin out These alarm contacts are not included as a standard and must be requested at time of order To add gain back to the system dial back the rotary switch slowly 28 26 24 22 until the Downlink ALC LED turns on This indicates the unit has reached maximum output power per unit s specification At this point dial one step of attenuation back into the unit to turn ...

Page 15: ...r fails Disconnect Donor Antenna DL ALC Illuminates when DL composite power reaches the ALC set Part of Commissioning Procedure Enough Gain is required to reach ALC set limit UL ALC Illuminates when UL composite power reaches the ALC set Part of Commissioning Procedure Enough Gain is required to reach ALC set limit Rule of Thumb Dial 5 to 10 dB attenuation greater than DL set External DC Available...

Page 16: ...etween antennas depends on several factors such as the physical vertical and horizontal separation distance between the antennas polarization radiation pattern of the antennas the medium between the antennas antenna gain etc Antenna isolation can most accurately be determined through on site measurements An antenna isolation measurement configuration is illustrated in Figure 6 where two spatially ...

Page 17: ...re 7a If the donor antenna does not short please connect G Wave s special Donor Short Simulator Please note if you intend to use other components i e Lightning Protector between the base port and donor antenna make sure they have an open short N Type Female Female Donor Short Simulator N Type Male Female Donor Short Simulator Figure 7b Conditions for DC Backup Alarm The alarm monitors the AC power...

Page 18: ...18 P a ge APPENDIX 2 Antenna Separation variable definitions ...

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