Powerwave Technologies 5JS0042 Linear Feed-Forward Power Amplifier User Manual Part 2
Powerwave Technologies Inc Linear Feed-Forward Power Amplifier Part 2
Contents
User Manual Part 2
044-05055 Rev. A ii
TABLE OF CONTENTS
Par. Section 1 Page
No. General Description No.
1-1 Introduction.......................................................................................................................1-1
1-2 General Description..........................................................................................................1-1
1-3 Functional and Physical Specifications.............................................................................1-2
1-4 Equipment Changes .........................................................................................................1-2
1-5 Ordering Information.........................................................................................................1-2
Section 2
Installation
2-1 Introduction.......................................................................................................................2-1
2-2 Electrical Service Recommendations...............................................................................2-1
2-3 Unpacking and Inspection ................................................................................................2-1
2-4 Installation Instructions .....................................................................................................2-2
2-5 J1 SYSTEM ALARM Connector .......................................................................................2-5
2-6 J7 RS485 Connector ........................................................................................................2-6
2-7 J8 MICRO-PROCESSOR INTERFACE Connector .........................................................2-7
2-8 Amplifier Module Status, Alarm, Control, and Power Connector......................................2-8
2-9 Amplifier Module RF Connector .......................................................................................2-9
Section 3
Operating Instructions
3-1 Introduction.......................................................................................................................3-1
3-2 Location and Function of Amplifier Module Controls and Indicators ................................3-1
3-3 Initial Start-Up and Operating Procedures........................................................................3-5
Section 4
Principles of Operation
4-1 Introduction.......................................................................................................................4-1
4-2 RF Input Signal.................................................................................................................4-1
4-3 RF Output Load................................................................................................................4-1
4-4 System Functional Description.........................................................................................4-1
4-5 MCR20XX Series (NTL107AC) Subrack..........................................................................4-2
4-6 G3X-800 Series (NTL107AA) Amplifier Module...............................................................4-3
4-6.1 Main Amplifier...................................................................................................................4-4
4-6.2 Error Amplifier...................................................................................................................4-4
4-6.3 Amplifier Monitoring..........................................................................................................4-4
4-6.4 Amplifier Module Cooling..................................................................................................4-4
4-7 Power Distribution.............................................................................................................4-4
4-8 Intermodulation.................................................................................................................4-4
4-8.1 Two Tone Intermodulation................................................................................................4-5
4-8.2 Multitone Intermodulation .................................................................................................4-5
4-9 Alarms ..............................................................................................................................4-5
044-05055 Rev. A iii
TABLE OF CONTENTS (Continued)
Par. Section 5 Page
No. Maintenance No.
5-1 Introduction.......................................................................................................................5-1
5-2 Periodic Maintenance .......................................................................................................5-1
5-3 Test Equipment Required For Test ..................................................................................5-1
5-4 Cleaning Air Inlets/Outlets ................................................................................................5-2
5-5 Performance Test.............................................................................................................5-2
5-5.1 Amplifier System Performance Test.................................................................................5-2
5-6 Field Replaceable Parts and Modules..............................................................................5-6
5-6.1 G3X-800 Series (NTL107AA) Power Amplifier Module....................................................5-6
5-6.2 Cooling Fans ....................................................................................................................5-6
Section 6
Troubleshooting
6-1 Introduction.......................................................................................................................6-1
6-2 Troubleshooting................................................................................................................6-1
6-3 Return for Service Procedure...........................................................................................6-1
6-3.1 Obtaining an RMA ............................................................................................................6-1
6-3.2 Repackaging for Shipment ...............................................................................................6-1
LIST OF ILLUSTRATIONS
Figure Page
No. No.
1-1 G3X-800 Series (NTL107AA) Amplifier............................................................................1-3
1-2 MCR20XX Series (NTL107AC) Subrack with Two Amplifiers..........................................1-4
2-1 MCR20XX Series (NTL107AC) Subrack, Rear View .......................................................2-3
2-2 J1 SYSTEM ALARM Connector .......................................................................................2-5
2-3 J7 RS485 Connector ........................................................................................................2-6
2-4 J8 MICRO-PROCESSOR INTERFACE Connector .........................................................2-7
2-5 DC and Logic Connector [on Rear of G3X-800 Series (NTL107AA) Amplifier Module]...2-8
2-6 Amplifier RF Connector ....................................................................................................2-9
3-1 G3X-800 Series (NTL107AA) Amplifier Module Control and Indicators...........................3-1
4-1 MCR20XX Series (NTL107AC) Two Module Amplifier System .......................................4-2
4-2 G3X-800 Series (NTL107AA) Power Amplifier Module Functional Block Diagram..........4-3
5-1 Amplifier System Test Setup Diagram .............................................................................5-3
044-05055 Rev. A iv
LIST OF TABLES
Table Page
No. No.
1-1 Major System Components ..............................................................................................1-2
1-2 Generation 3.1 Multicarrier Cellular Amplifier System Functional Specifications.............1-5
2-1 MCR20XX Series Subrack Power, Monitor, Control, and Input/Output Connectors ........2-2
2-2 J1 SYSTEM ALARM Connector Definition.......................................................................2-5
2-3 J7 RS485 Connector Definition ........................................................................................2-6
2-4 J8 MICRO-PROCESSOR INTERFACE Connector Definition .........................................2-7
2-5 Amplifier Module DC and Logic Connector Definition ......................................................2-8
2-6 Amplifier RF Connector Definition ....................................................................................2-9
3-1 Amplifier Module Status Indicators and RF Control..........................................................3-2
3-2 Amplifier Module Alarm Indicators....................................................................................3-3
5-1 Periodic Maintenance .......................................................................................................5-1
5-2 Test Equipment Required.................................................................................................5-2
5-3 Multicarrier Cellular Amplifier System Test Data Sheet....................................................5-5
6-1 Troubleshooting................................................................................................................6-1