PowerWave G3L-850-160 Installation And Service Manual Download Page 1

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G3L-850-160

Installation and
Service Manual

044-05236 Rev A

June 2006

Multi-Carrier
Power Amplifier

Summary of Contents for G3L-850-160

Page 1: ...G3L 850 160 Installation and Service Manual 044 05236 Rev A June 2006 Multi Carrier Power Amplifier...

Page 2: ...in this document may cause 1 Spurious emissions that violate regulatory requirements 2 The equipment to be automatically removed from service when maximum thresholds are exceeded 3 The equipment to no...

Page 3: ...r WARNING This warning symbol means danger You are in a situation that could cause bodily injury or death Before working on any equipment be aware of the hazards involved with electrical and RF circui...

Page 4: ...Revision Record G3L 850 160 MCPA ii 044 05236 Rev A Revision Record Revision Letter Date of Change Reason for Change A June 2006 Initial Release...

Page 5: ...s and Indicators 2 1 2 2 1 MCPA Alarms 2 1 2 2 2 MCPA Connectors 2 3 Chapter 3 Installation 3 1 Introduction 3 1 3 2 Unpacking and Inspection 3 1 3 2 1 Damaged Equipment 3 1 3 3 Air Conditioning Requi...

Page 6: ...e View with Dimensions 5 2 Figure 5 2 MCPA Bottom View with Dimensions 5 3 List of Tables Table 2 1 MCPA Controls and Indicators 2 2 Table 2 2 MCPA Alarm States 2 2 Table 2 3 MCPA Connector Pinouts 2...

Page 7: ...MHz frequency band from 869 MHz to 894 MHz with an instantaneous bandwidth of 25 MHz The instantaneous bandwidth is the maximum frequency band in which any two or more signals can occupy The instantan...

Page 8: ...Functional Description G3L 850 160 MCPA 1 2 044 05236 Rev A Controller Figure 1 1 MCPA Front and Rear Views Front Rear...

Page 9: ...pre main amplifier is fed to the class AB main amplifier and then sampled using a coupler The signal RF sample is combined with the main input signal and input to the second feed forward loop There t...

Page 10: ...The pilot tone is an internally generated signal with a predetermined frequency phase and amplitude is known If the pilot signal is suppressed at the amplifier output then the distortion created by th...

Page 11: ...DC converter and voltage regulator in the MCPA converts the 27 VDC to 15 VDC 9 VDC 5 VDC and 5 VDC for internal use The MCPA has no built in short circuit protection The MCPA operates at full power i...

Page 12: ...Power Distribution G3L 850 160 MCPA 1 6 044 05236 Rev A This page intentionally left blank...

Page 13: ...ors are illustrated in Figure 2 1 and listed with descriptions in Table 2 1 2 2 1 MCPA Alarms MCPA alarm conditions are reported to the system as logic level signals through the rear connector The fro...

Page 14: ...lid Major alarm Critical fault present Red Yellow alternating Downloading Do not interrupt power Table 2 2 MCPA Alarm States Alarm Definition Alarm type LED Auto Recovery Output Overpower Disables MCP...

Page 15: ...n supply voltage drops to 29 5 VDC Below Minimum Voltage Disables MCPA immediately if supply DC Voltage 20 5 VDC Major Red Auto recovery when supply voltage increases to 24 0 VDC Loop Fail Linearizati...

Page 16: ...RY_FAULT Fault info TTL A2 27 VDC Power Contact 9 DC_ON OFF On Off A3 Ground Power Contact 10 PAU_RST System Reset TTL A4 RF Output Coaxial Contact 11 NC 1 TX_H RS 485 12 NC 2 TX_L RS 485 13 AMP_A0 PA...

Page 17: ...4 for the return procedure 3 3 Air Conditioning Requirements The MCPA generates 2770 BTUs of heat at 36 amps 27 VDC and 160 watts average RF power output The MCPA operates within the extended low temp...

Page 18: ...CPA Installation Step Action 1 Set MCPA OFF ON RESET switch to the OFF down position 2 Ensure quarter turn fasteners are in unlocked position 3 Lift and insert MCPA into the subrack Turn the quarter t...

Page 19: ...3 Initial Start up Procedure Step Action 1 Verify all system input and output cables are properly connected 2 Verify 27 VDC 1 VDC supply is available 3 Set MCPA OFF ON RESET switch to ON center posit...

Page 20: ...Initial Start up and Operating Procedures G3L 850 160 MCPA 3 4 044 05236 Rev A This page intentionally left blank...

Page 21: ...to remove and replace a MCPA NOTE Check your sales order and equipment warranty before attempting to service or repair unit Do not break seals on equipment under warranty or the warranty will be null...

Page 22: ...prevent damage in transit CAUTION Do not slam the MCPA into the system during installation Using excessive force can damage the MCPA connector CAUTION When removing the MCPA from the system support t...

Page 23: ...als 130 W Min with eight CDMA signals Maximum Input before shutdown 5 dBm Duty Cycle Continuous BTUs 2770 at 36 Amps 27 V and 160 W average RF power output RF Gain 63 dB Gain Flatness 0 5 dB Max Gain...

Page 24: ...subrack PA will perform at rated power levels with Software upgrade for subrack RF Input Output Status Alarm Control DC Input Connector 21 pin D subminiature combo connector DImensions 354 6 mm high 9...

Page 25: ...weden Tel 46 8 540 822 00 Fax 46 8 540 823 40 Main Asia Pacific Office 23 F Tai Yau Building 181 Johnston Road Wanchai Hong Kong Tel 852 2512 6123 Fax 852 2575 4860 Copyright 2006 Powerwave Technologi...