Powerwave Technologies 5JS0042 Linear Feed-Forward Power Amplifier User Manual Part 2

Powerwave Technologies Inc Linear Feed-Forward Power Amplifier Part 2

User Manual Part 2

044-05055 Rev. A iiTABLE OF CONTENTSPar. Section 1 PageNo. General Description No.1-1 Introduction.......................................................................................................................1-11-2 General Description..........................................................................................................1-11-3 Functional and Physical Specifications.............................................................................1-21-4 Equipment Changes .........................................................................................................1-21-5 Ordering Information.........................................................................................................1-2Section 2Installation2-1 Introduction.......................................................................................................................2-12-2 Electrical Service Recommendations...............................................................................2-12-3 Unpacking and Inspection ................................................................................................2-12-4 Installation Instructions .....................................................................................................2-22-5 J1 SYSTEM ALARM Connector .......................................................................................2-52-6 J7 RS485 Connector ........................................................................................................2-62-7 J8 MICRO-PROCESSOR INTERFACE Connector .........................................................2-72-8 Amplifier Module Status, Alarm, Control, and Power Connector......................................2-82-9 Amplifier Module RF Connector .......................................................................................2-9Section 3Operating Instructions3-1 Introduction.......................................................................................................................3-13-2 Location and Function of Amplifier Module Controls and Indicators ................................3-13-3 Initial Start-Up and Operating Procedures........................................................................3-5Section 4Principles of Operation4-1 Introduction.......................................................................................................................4-14-2 RF Input Signal.................................................................................................................4-14-3 RF Output Load................................................................................................................4-14-4 System Functional Description.........................................................................................4-14-5 MCR20XX Series (NTL107AC) Subrack..........................................................................4-24-6 G3X-800 Series (NTL107AA) Amplifier Module...............................................................4-34-6.1 Main Amplifier...................................................................................................................4-44-6.2 Error Amplifier...................................................................................................................4-44-6.3 Amplifier Monitoring..........................................................................................................4-44-6.4 Amplifier Module Cooling..................................................................................................4-44-7 Power Distribution.............................................................................................................4-44-8 Intermodulation.................................................................................................................4-44-8.1 Two Tone Intermodulation................................................................................................4-54-8.2 Multitone Intermodulation .................................................................................................4-54-9 Alarms ..............................................................................................................................4-5
044-05055 Rev. A iiiTABLE OF CONTENTS (Continued)Par. Section 5 PageNo. Maintenance No.5-1 Introduction.......................................................................................................................5-15-2 Periodic Maintenance .......................................................................................................5-15-3 Test Equipment Required For Test ..................................................................................5-15-4 Cleaning Air Inlets/Outlets ................................................................................................5-25-5 Performance Test.............................................................................................................5-25-5.1 Amplifier System Performance Test.................................................................................5-25-6 Field Replaceable Parts and Modules..............................................................................5-65-6.1 G3X-800 Series (NTL107AA) Power Amplifier Module....................................................5-65-6.2 Cooling Fans ....................................................................................................................5-6Section 6Troubleshooting6-1 Introduction.......................................................................................................................6-16-2 Troubleshooting................................................................................................................6-16-3 Return for Service Procedure...........................................................................................6-16-3.1 Obtaining an RMA ............................................................................................................6-16-3.2 Repackaging for Shipment ...............................................................................................6-1LIST OF ILLUSTRATIONSFigure PageNo. No.1-1 G3X-800 Series (NTL107AA) Amplifier............................................................................1-31-2 MCR20XX Series (NTL107AC) Subrack with Two Amplifiers..........................................1-42-1 MCR20XX Series (NTL107AC) Subrack, Rear View .......................................................2-32-2 J1 SYSTEM ALARM Connector .......................................................................................2-52-3 J7 RS485 Connector ........................................................................................................2-62-4 J8 MICRO-PROCESSOR INTERFACE Connector .........................................................2-72-5 DC and Logic Connector [on Rear of G3X-800 Series (NTL107AA) Amplifier Module]...2-82-6 Amplifier RF Connector ....................................................................................................2-93-1 G3X-800 Series (NTL107AA) Amplifier Module Control and Indicators...........................3-14-1 MCR20XX Series (NTL107AC) Two Module Amplifier System .......................................4-24-2 G3X-800 Series (NTL107AA) Power Amplifier Module Functional Block Diagram..........4-35-1 Amplifier System Test Setup Diagram .............................................................................5-3
044-05055 Rev. A ivLIST OF TABLESTable PageNo. No.1-1 Major System Components ..............................................................................................1-21-2 Generation 3.1 Multicarrier Cellular Amplifier System Functional Specifications.............1-52-1 MCR20XX Series Subrack Power, Monitor, Control, and Input/Output Connectors ........2-22-2 J1 SYSTEM ALARM Connector Definition.......................................................................2-52-3 J7 RS485 Connector Definition ........................................................................................2-62-4 J8 MICRO-PROCESSOR INTERFACE Connector Definition .........................................2-72-5 Amplifier Module DC and Logic Connector Definition ......................................................2-82-6 Amplifier RF Connector Definition ....................................................................................2-93-1 Amplifier Module Status Indicators and RF Control..........................................................3-23-2 Amplifier Module Alarm Indicators....................................................................................3-35-1 Periodic Maintenance .......................................................................................................5-15-2 Test Equipment Required.................................................................................................5-25-3 Multicarrier Cellular Amplifier System Test Data Sheet....................................................5-56-1 Troubleshooting................................................................................................................6-1

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