Powerwave Technologies G3S-800-180-29 Installation & Service Manual Download Page 1

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869-894 MHz



044-05112 Rev. A

April 2002

Multi-Carrier Power Amplifier

869 – 894 MHz

G3S-800-180-29

Installation & Service Manual

180 Watts Average Power (210 W Max.)

-60 dBc Intermodulation Distortion

Summary of Contents for G3S-800-180-29

Page 1: ...e Technologies Inc April 2002 All rights reserved 044 05112 Rev A April 2002 Multi Carrier Power Amplifier 869 894 MHz G3S 800 180 29 Installation Service Manual 180 Watts Average Power 210 W Max 60 d...

Page 2: ...705 Fax 714 466 5800 Web Site www powerwave com 2002 Powerwave Technologies Incorporated All rights reserved Powerwave Technologies and the Powerwave logo are registered trademarks Powerwave Technolog...

Page 3: ...rol and Power Connector 2 4 2 6 2 Amplifier Module RF Connector 2 5 Section 3 Operating Instructions 3 1 Introduction 3 1 3 2 Location and Function of Amplifier Module Controls and Indicators 3 1 3 2...

Page 4: ...6 1 Introduction 6 1 6 2 Troubleshooting 6 1 6 2 1 DC Voltage Indicators Not Illuminated 6 1 6 2 2 OVER PWR Illuminated or Blinking 6 1 6 2 3 HIGH TEMP Illuminated 6 2 6 2 4 VSWR Illuminated 6 2 6 2...

Page 5: ...2 1 2 G3S 800 180 029 MCPA Functional Specifications 1 2 2 1 Sample of DC Cable Ratings 2 1 2 2 Averaged DC Current Load 2 2 2 3 Averaged Heat Loading 2 3 2 4 Amplifier Module DC and Logic Connector D...

Page 6: ...llel operation to produce high peak power output and system redundancy for remote applications when installed in multi module amplifier subracks manufactured by Powerwave All solid state the system is...

Page 7: ...gle carrier power of P0 16 Out of Band Spurious Noise measured in 30 KHz BW 60 dBc max 26 to 28 Vdc RF Gain 58 dB 0 5 dB Gain Flatness 0 5 dB 27 Vdc 1 Vdc Gain Variation w Voltage and Frequency 0 5 dB...

Page 8: ...anual Copyright Powerwave Technologies Inc April 2002 All rights reserved All specifications are subject to change without notice Contact the factory for complete performance data 044 05112 Rev A 1 3...

Page 9: ...d The elec trical service must be well grounded Each amplifier system should have its own circuit breaker so a failure in one does not shut off the whole installation Circuit breakers should be capabl...

Page 10: ...l power will generate 14 556 BTUs of heat A full three sector site employing three fully populated MCR30829 1 3 subracks will generate 52 510 BTUs of heat at full power 500W per subrack 70A 27VDC A fi...

Page 11: ...Install the subrack in an equipment rack and secure in place based on the installation in structions from the appropriate manual for the subrack being installed 2 Connect the subrack RF output to a hi...

Page 12: ...b combo which provides the status alarm control and power connections The smaller BMA coaxial female connectors provide the RF connections Refer to figure 2 1 Figure 2 1 G3S 800 180 029 Amplifier Rear...

Page 13: ...anually 9 DC on stat TTL output High indicates Amp is powered on 10 RS485 TxD Serial Communication Data Out 11 RS485 RxD Serial Communication Data In 12 SCL7 No connection 13 SDA7 No connection 14 FP...

Page 14: ...er of the amplifier front panel between the cooling fans are shown in figure 3 1 The status and RF control functions and alarms are described in detail in the subsequent paragraphs Figure 3 1 G3S 800...

Page 15: ...Vdc voltage dropped below 12 Vdc or increased above 17 Vdc 3 2 1 5 5VDC Indicator Green LED When lit indicates that the 5 Vdc supply is greater than 2 Vdc and less than 7 Vdc If the 5 Vdc indicator go...

Page 16: ...ed Disable High 27 Vdc input 30 V for longer than one sec after initial detection of DC input 31 V Note 3 Fan Fail one Major Red Enable Low Any fan failure Loop Fail Minor Red Enable Low Loop failure...

Page 17: ...g cables between the antenna interface and power measurement equipment Failure to do so may cause damage to the equipment or personal injury NOTE The output coaxial cable between the amplifier and the...

Page 18: ...ates in the 25 MHz frequency band from 869 MHz to 894 MHz The amplifier modules are designed for parallel operation to achieve high peak power output and provide system redundancy when installed in mu...

Page 19: ...Alarms Display 15 5 5 Power Supply 30dB 10dB RF Out RFL PWR FWD PWR Front Panel Smart Rack 27VDC Pre Dist Figure 4 1 G3S 800 180 029 Power Amplifier Module Functional Block Diagram 4 4 1 Main Amplifie...

Page 20: ...combiner The amplifier module has a DC DC converter that converts the 27 Vdc to 15 Vdc 5 Vdc and 5 Vdc 4 6 Intermodulation The G3S 800 180 029 amplifier is designed to deliver a 180 watt nominal compo...

Page 21: ...ce requirements are listed in table 5 1 Table 5 1 also lists the intervals at which the tasks should be performed WARNING Wear proper eye protection to avoid eye injury when using compressed air Table...

Page 22: ...dirt from the air inlet panels 5 5 Performance Test Performance testing should be conducted every 12 months to ensure that the amplifier system meets the operational specifications listed in table 5 3...

Page 23: ...IMD on spectrum analyzer IMD should be 60 dBc max Record test data in table 5 3 Set RF ON switch to OFF 3 With the amplifier module set at 180 watts power output use the current probe magnetic field t...

Page 24: ...able 5 3 Table 5 3 Multicarrier Cellular Amplifier Test Data Sheet DATE _________________________________ AMPLIFIER S N _________________________ TEST CONDITIONS Load and Source Impedance 50 Ohms VSWR...

Page 25: ...secure amplifier module to subrack CAUTION The amplifier is equipped with a spring clip on each side panel to prevent the amplifier from being fully removed from the subrack via the front panel handle...

Page 26: ...ceed as follows 1 Loosen four snap fasteners that secure fan to amplifier module Disconnect fan power con nector from amplifier module To replace a rear cooling fan proceed as follows 1 Remove amplifi...

Page 27: ...ween the power plant and the am plifier subrack are tight B If the voltage is correct 1 Remove the amplifier from the subrack slot and move the amplifier to another am plifier subrack slot 2 Check the...

Page 28: ...llow proper airflow 6 Correct the heat problem then reset the amplifier by momentarily pressing the Reset button on the amplifier front panel up 6 2 4 VSWR Illuminated 7 If all the amplifiers in a giv...

Page 29: ...e amplifier off when moving output RF cables from the hatch plate to test equipment and back again C Improper power balance between amplifiers in a given subrack 1 Ensure the amplifier thumbscrews are...

Page 30: ...to returning equipment to the factory for service Please contact our Repair Department at 888 797 9283 or 714 466 1000 to obtain this number or FAX your request to 714 466 5816 Failure to obtain this...

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