Ericsson W-CDMA/LTE 2100MHz Remote Radio Unit 120W (2 x 60W) KRC /2 R1B Model RRUS12 B4 April 2015
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1 DesigN Analysis - Infrastructure Earl J. Lum elum@ejlwireless.com Ericsson W-CDMA/LTE 2100MHz Remote Radio Unit 120W (2 x 60W) KRC /2 R1B Model RRUS12 B4 April 2015 Entire contents. Reproduction of this publication in any form without prior written permission is strictly forbidden and will be prosecuted to the full extent of US and International laws. The transfer of this publication in either paper or electronic form to unlicensed third parties is strictly forbidden. The information contained herein has been obtained from sources EJL Wireless Research LLC deems reliable. EJL Wireless Research disclaims all warranties as to the accuracy, completeness or adequacy of such information. EJL Wireless Research LLC shall bear no liability for errors, omissions or inadequacies in the information contained herein or for the interpretation thereof. The reader assumes sole responsibility for the selection of these materials to achieve their intended results. The opinions expressed herein are subject to change without notice.
2 TABLE OF CONTENTS EXECUTIVE SUMMARY... 8 Active/Passive Component Summary... 8 Important Note:... 8 CHAPTER 1: ERICSSON RBS6000 BTS SYSTEM... 9 Overview of RBS6601 Product Offering... 9 CHAPTER 2: RRUS 12 MECHANICAL ANALYSIS Mechanical Analysis...14 RRUS 12 Duplexer Filter Cover...19 RRUS 12 Top Frame...21 RRUS 12 DC and RF Cables...28 RRUS 12 Rear Frame...30 CHAPTER 3: RRUS 12 INTERFACE SUBSYSTEM CHAPTER 4: RRUS 12 POWER SURGE PROTECTION DEVICE (SPD) PCB CHAPTER 5: RRUS 12 TRX/PA SUBSYSTEM Digital Processor, TRx, Power Amplifier PCB...40 Area A: Baseband Signal Processing...46 Areas A1 & A2: Power Supply Support Circuitry...47 Area B: Transmit Path B...53 Area C: DC-DC Converter...55 Area D: Power Supply for Power Amplifier A...57 Areas E1 & E2: DPD Feedback Loop...59 Area F: Power Amplifiers A & B...65 Areas G & O: Support Circuitry for Areas B & N...70 Area H: Support Circuitry for ROR /AA...72 Area I: Support Circuitry for ROR /BA...73 Area J: Power Supply...74 Area K: Power Supply...76 Area L: Support Circuitry for Area A and External RF Cross Connects...78 Area M: Power Supply for Power Amplifier A...80 Area N: Transmit Path A...82 Areas P1 & P2: Support Circuitry for Power Amplifier A & B...84 Area Q: Tx Feedback and RXA/RXB...87 Area R: Dual Channel RF/IF Downconversion Receiver...89 Area S: System Timing...91 ROR /BB R1B...93 ROR /AA R1C...96 ROR /BA R1D...99 ROR /AA R1D ROR /BA R1E ROR /BA R1C PA9F73 Frequency Synthesizer Module PV1F01 Frequency Synthesizer Module E-H14A Frequency Synthesizer Module E-H03B Frequency Synthesizer Module E-H32A Frequency Synthesizer Module CHAPTER 6: RRUS 12 DUPLEXER CAVITY FILTER RF SUBSYSTEM VSWR PCB RRUS 12 Duplexer Filter Waveguide/Resonator Analysis
3 TX Sampling Circuit APPENDIX A - PASSIVE COMPONENT MARKET SHARE/CASE SIZE ANALYSIS APPENDIX B - ACTIVE COMPONENT MARKET SHARE ANALYSIS
4 TABLES Table 1: RRUS 12 Interface Connector/Cable Assembly Bill of Materials Table 2: Interface PCB Top, Bill of Materials Table 3: Interface PCB Bottom, Bill of Materials Table 4: Power SPD PCB Bill of Materials Table 5: Area A Bill of Materials Table 6: Area A1 Bill of Materials Table 7: Area A2 Bill of Materials Table 8: Area B Bill of Materials Table 9: Area C Bill of Materials Table 10: Area D Bill of Materials Table 11: Area E1 Bill of Materials Table 12: Area E2 Bill of Materials Table 13: Area F1 Bill of Materials Table 14: Area F2 Bill of Materials Table 15: Area G Bill of Materials Table 16: Area O Bill of Materials Table 17: Area H Bill of Materials Table 18: Area I Bill of Materials Table 19: Area J Bill of Materials Table 20: Area K Bill of Materials Table 21: Area L Bill of Materials Table 22: Area M Bill of Materials Table 23: Area N Bill of Materials Table 24: Area P1 Bill of Materials Table 25: Area P2 Bill of Materials Table 26: Area Q Bill of Materials Table 27: Area R Bill of Materials Table 28: Area S Bill of Materials Table 29: ROR /BB Bill of Materials Table 30: ROR /AA Bill of Materials Table 31: ROR /BA Bill of Materials Table 32: ROR /AA Bill of Materials Table 33: ROR /BA Bill of Materials Table 34: ROR /BA Bill of Materials Table 35: PA9F73 Module Bill of Materials Table 36: PV1F01 Module Bill of Materials Table 37: E-H14A Module Bill of Materials Table 38: E-H03B Module Bill of Materials Table 39: E-H32A Module Bill of Materials Table 40: VSWR PCB Top Bill of Materials Table 41: VSWR PCB Bottom Bill of Materials Table 42: Passive Component Case Size Distribution by System Subsection Table 43: Passive Component Case Size Distribution by System Subsection (Modules) Table 44: Identified Passive Component Supplier Distribution by System Subsection Table 45: Identified Passive Component Supplier Distribution by System Subsection (Modules) Table 46: Active/Passive Component Distribution by System Subsection Table 47: Active Semiconductor/Component Vendor Distribution by System Subsection Table 48: Active Semiconductor/Component Vendor Distribution by System Subsection (Modules)
5 EXHIBITS Exhibit 1: Ericsson RBS6601 Main-Remote BTS System (L), RRUS 12 (R) Exhibit 2: RBS6601 Configurations (Star/Cascade) Exhibit 3: Ericsson RRUS 12 B4 System Block Diagram Exhibit 4: RBS6601 Main Unit with DUL Exhibit 5: RRUS 12 Connection Interfaces Exhibit 6: RRUS 12 with Solar Shield Front (L), Front Opened (C) and Solar Shield Back (R) Exhibit 7: RRUS 12 Front View with Solar Shield, (External (L) and Internal (R) Exhibit 8: RRUS 12 Rear View with Solar Shield, External (L) and Internal (R) Exhibit 9: RRUS 12 Front View with Solar Shield Removed Exhibit 10: RRUS 12 Front Solar Shield Guide Rails Exhibit 11: RRUS 12 Rear View with Solar Shield Removed, Side Strips Exhibit 12: Side Solar Shield Strips Exhibit 13: RRUS 12 Duplexer Filter Cover, External View Exhibit 14: RRUS 12 Duplexer Filter Cover, Internal View Exhibit 15: RRUS 12 Status Indicator Flex Cable Exhibit 16: RRUS 12 Top Frame, External View, Filter Cover Removed Exhibit 17: RRUS 12 Top Frame, External View, Filter Removed Exhibit 18: RRUS 12 Top Frame, External View Exhibit 19: RRUS 12 Duplexer Filter/Transceiver Connector Interfaces Exhibit 20: RRUS 12 Top Frame, Internal View with PCBs Exhibit 21: RRUS 12 Top Frame, Internal View without Interface and SPD PCBs Exhibit 22: RRUS 12 Top Frame, Internal View without Transceiver/Power Amplifier PCB Exhibit 23: RRUS 12 Top Frame, Internal View Exhibit 24: RRUS 12 Interface Connector/Cable Assembly Location Diagram Exhibit 25: RRUS 12 Cables/Connectors System Block Diagram Exhibit 26: RRUS 12 Rear Frame, External View Exhibit 27: RRUS 12 Rear Frame, Internal View Exhibit 28: RRUS 12 Rear Frame, Internal View of Thermal Pads/Pedestals Exhibit 29: Interface PCB Dimensions Exhibit 30: Interface PCB Component Diagram. Top Exhibit 31: Interface PCB Component Diagram. Bottom Exhibit 32: Power SPD PCB Dimensions Exhibit 33: Power SPD PCB Component Diagram. Top Exhibit 34: Power SPD PCB Component Diagram. Bottom Exhibit 35: RRUS 12 TRx PCB, Top View Exhibit 36: RRUS 12 TRx PCB, Bottom View Exhibit 37: RRUS 12 TRx PCB with RF/Digital Connectors, Top View Exhibit 38: RRUS 12 TRx PCB with RF/Digital Connectors, Bottom View Exhibit 39: RRUS 12 TRx PCB Areas A-I Exhibit 40: RRUS 12 TRx PCB Areas J-S Exhibit 41: RRUS 12 TRx PCB with Ericsson Modules, Top View Exhibit 42: RRUS 12 TRx PCB with Ericsson Modules, Bottom View Exhibit 43: Area A Component Diagram Exhibit 44: Area A1 Component Diagram Exhibit 45: Area A2 Component Diagram Exhibit 46: Area B Component Diagram Exhibit 47: Area B Block Diagram Exhibit 48: Area C Component Diagram Exhibit 49: Area D Component Diagram Exhibit 50: Area E1 Component Diagram Exhibit 51: Area E1 Block Diagram, FB-A1 & FB-A Exhibit 52: Area E1 Block Diagram, RXA Exhibit 53: Area E2 Component Diagram Exhibit 54: Area E2 Block Diagram, FB-B1 & FB-B Exhibit 55: Area E1 Block Diagram, RXB Exhibit 56: Area F1 Component Diagram Exhibit 57: Area F2 Component Diagram Exhibit 58: Area F1 TXA Block Diagram...67 Exhibit 59: Area F2 TXB Path Block Diagram Exhibit 60: Area G Component Diagram
6 Exhibit 61: Area O Component Diagram Exhibit 62: Area H Component Diagram Exhibit 63: Area I Component Diagram Exhibit 64: Area J Component Diagram Exhibit 65: Area K Component Diagram Exhibit 66: Area L Component Diagram Exhibit 67: Area M Component Diagram Exhibit 68: Area N Component Diagram Exhibit 69: Area N Block Diagram Exhibit 70: Area P1 Component Diagram Exhibit 71: Area P2 Component Diagram Exhibit 72: Area Q Component Diagram Exhibit 73: Area R Component Diagram Exhibit 74: Area R Block Diagram Exhibit 75: Area S Component Diagram Exhibit 76: ROR /BB R1B Component Diagram Exhibit 77: ROR /BB R1B Block Diagram Exhibit 78: ROR /AA R1C Block Diagram Exhibit 79: ROR /AA R1C Component Diagram Exhibit 80: ROR /BA R1D Block Diagram Exhibit 81: ROR /BA R1D Component Diagram Exhibit 82: ROR /AA R1D Block Diagram Exhibit 83: ROR /AA R1D Component Diagram Exhibit 84: ROR /BA R1E Block Diagram, TXA Exhibit 85: ROR /BA R1E Block Diagram, TXB Exhibit 86: ROR /BA R1E Component Diagram Exhibit 87: ROR /BA Block Diagram, TXA Exhibit 88: ROR /BA Block Diagram, TXB Exhibit 89: ROR /BA Component Diagram Exhibit 90: PA9F73 Module Component Diagram Exhibit 91: PV1F01 Module Component Diagram Exhibit 92: E-H14A Module Component Diagram Exhibit 93: E-H03B Module Component Diagram Exhibit 94: E-H32A Module Component Diagram Exhibit 95: RRUS 12 Duplexer Filter, Top View Exhibit 96: RRUS 12 Duplexer Filter, Bottom View Exhibit 97: RRUS 12 Duplexer Filter, Side View Exhibit 98: RRUS 12 Duplexer Filter, Front View Exhibit 99: RRUS 12 Duplexer Filter Block Diagram Exhibit 100: RRUS 12 Duplexer Filter RF Shield, External View Exhibit 101: RRUS 12 Duplexer Filter RF Shield, Internal View Exhibit 102: RRUS 12 Duplexer Filter SMP Connector Locations Exhibit 103: RRUS 12 Duplexer Filter Resonator Locations Exhibit 104: RRUS 12 Duplexer Filter Tx/Rx A and B Paths Exhibit 105: RRUS 12 Duplexer Filter VSWR PCB Exhibit 106: RRUS 12 VSWR Cavity Metal Wall Divider, Top View Exhibit 107: RRUS 12 VSWR Cavity Metal Wall Divider, Side View Exhibit 108: RRUS 12 VSWR PCB Component Diagram, Top View Exhibit 109: RRUS 12 VSWR PCB Component Diagram, Bottom View Exhibit 110: RRUS 12 Duplexer Filter VSWR Signal/Power Connector Dimensions Exhibit 111: RRUS 12 Duplexer Filter VSWR Block Diagram Exhibit 112: RRUS 12 Duplexer Filter 7/16 DIN Connector Gasket/Washer/Nut Exhibit 113: RRUS 12 Duplexer Filter Resonator Type Locations Exhibit 114: RRUS 12 Duplexer Filter with Waveguide Coupler Locations Exhibit 115: RRUS 12 Duplexer Filter Waveguide Coupler Dimensions, Side View Exhibit 116: RRUS 12 Duplexer Filter Waveguide Coupler Dimensions, Top View Exhibit 117: RRUS 12 Duplexer Filter Waveguide Coupler Type A & B Locations Exhibit 118: RRUS 12 Duplexer Filter Waveguide Coupler Type C Locations Exhibit 119: RRUS 12 Duplexer Filter Tx and Rx Launcher Tabs Exhibit 120: RRUS 12 Duplexer Filter Tx Sampling Circuit Exhibit 121: RRUS 12 Duplexer Filter Tx Sampling Circuit Shield, External View Exhibit 122: RRUS 12 Duplexer Filter Tx Sampling Circuit Shield, External View Exhibit 123: RRUS 12 Duplexer Filter Tx Sampling Circuit, Shield Removed Exhibit 124: RRUS 12 Duplexer Filter TxA Sampling Circuit
7 Exhibit 125: RRUS 12 Duplexer Filter TxB Sampling Circuit, Top View Exhibit 126: RRUS 12 Duplexer Filter TxB Sampling Circuit, Bottom View Exhibit 127: RRUS 12 Duplexer Filter TxA Sampling Circuit PCB, Top View Exhibit 128: RRUS 12 Duplexer Filter TxA Sampling Circuit PCB, Bottom View Exhibit 129: RRUS 12 Duplexer Filter TxA Sampling Circuit PCB, Coupling Path Locations Exhibit 130: Passive Component Case Size Distribution Exhibit 131: Identified Passive Component Market Share by Vendor Exhibit 132: Active Semiconductor Component Share Exhibit 133: High Pin Count IC vs. Discretes Exhibit 134: Active Semiconductor Market Share by Vendor Exhibit 135: High Pin Count (64+) Active Semiconductor Market Share by Vendor
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