Huawei Technologies Co. Ltd. 5G NR Band n78 (3400-3600MHz) Model RRU 5818 (8x50W) WD5MRRUSLA0A/02312LWK

TABLE OF CONTENTS

EXECUTIVE SUMMARY

• Active/Passive Component Summary
• Important Note:

CHAPTER 1: HUAWEI RRU

• Overview of Remote Radio Unit (RRU)

CHAPTER 2: MECHANICAL ANALYSIS

• Main Chassis/Heat Sink
• Main Chassis/Heat Sink Thermal Fins
• Secondary Chassis/Heat Sink
• Interface Panel Cover
• RRU Pressure Equalization Vent

CHAPTER 3: POWER SUPPLY SUBSYSTEM

• Power Supply Module
• Power Supply Module Top Shield
• Power Supply Module Bottom Shield
• Power Supply PCB Analysis
• 1.5kW DC-DC Converter Module

CHAPTER 4: FRONTHAUL/RADIO TRANSCEIVER SUBSYSTEM

• Radio Transceiver RF Shield
• Top PCB Component Analysis
• Bottom PCB Component Analysis

CHAPTER 5: RF FILTER SUBSYSTEM

• Cavity Filter Section
• Antenna Feed Section

APPENDIX A: COMPONENT ANALYSIS

APPENDIX B: COMPONENT TYPE BY AREA

APPENDIX C: ACTIVE COMPONENTS BY SUPPLIER

APPENDIX D: PASSIVE COMPONENTS BY SUPPLIER

List of Tables

• Table 1: Power Supply PCB Top Bill of Materials
• Table 2: Power Supply PCB Bottom Bill of Materials
• Table 3: DC-DC Converter Pin 6-15 Functions
• Table 4: Area A1 Active Bill of Materials
• Table 5: Area A2 Passive Bill of Materials
• Table 6: Area A2 Passive Bill of Materials
• Table 7: Area B1 Active Bill of Materials
• Table 8: Area B1 Passive Bill of Materials
• Table 9: Area B2 Bill of Materials
• Table 10: Area B3 Bill of Materials
• Table 11: Area B4 Bill of Materials
• Table 12: Area B5 Bill of Materials
• Table 13: Area B6 Bill of Materials
• Table 14: Area B7 Bill of Materials
• Table 15: Area B8 Bill of Materials
• Table 16: Area B9 Bill of Materials
• Table 17: Area B10 Bill of Materials
• Table 18: Area B11 Bill of Materials
• Table 19: Area B12 Bill of Materials
• Table 20: Area C1 Active Bill of Materials
• Table 21: Area C2 Passive Bill of Materials
• Table 22: Area C3 Bill of Materials
• Table 23: Area C4 Bill of Materials
• Table 24: Area D1 Bill of Materials
• Table 25: Area D2 Bill of Materials
• Table 26: Area D3 Bill of Materials
• Table 27: Area D4 Bill of Materials
• Table 28: Area E1A Bill of Materials
• Table 29: Area E1B Bill of Materials
• Table 30: Area E1C Bill of Materials
• Table 31: Area E1D Bill of Materials
• Table 32: Area E2A Bill of Materials
• Table 33: Area E2B Bill of Materials
• Table 34: Area E3 Bill of Materials
• Table 35: Area E4 Bill of Materials
• Table 36: Area E5 Bill of Materials
• Table 37: Area F1A Bill of Materials
• Table 38: Area F1B Bill of Materials
• Table 39: Area F1C Bill of Materials
• Table 40: Area F1D Bill of Materials
• Table 41: Antenna Feed RF Channel Configuration
• Table 42: RF Combiner PCB Top Bill of Materials
• Table 43: RF Combiner PCB Bottom Bill of Materials
• Table 44: RRU 5818 Areas by Component Type
• Table 45: RRU 5818 Areas by Component Type (con't)
• Table 49: RRU 5818 Areas by Active Component Vendor
• Table 50: RRU 5818 Areas by Active Component Vendor (con't)
• Table 53: RRU 5818 Areas by Passive/Connector/Other Component Vendor
• Table 54: RRU 5818 Areas by Passive/Connector/Other Component Vendor (con't)

List of Exhibits:

• Exhibit 1: Typical Configuration of RRU5818 in a 3-Sector 5G Macro Site
• Exhibit 2: RRU System Block Diagram
• Exhibit 3: Example with and without Beamforming
• Exhibit 4: 8T Beamforming Example
• Exhibit 5: MainChassis/Heat Sink, External View
• Exhibit 6: Main Chassis/Heat Sink, Internal View
• Exhibit 7: Main Chassis/Heat Sink, External Top View
• Exhibit 8: Main Chassis/Heat Sink, External Bottom View
• Exhibit 9: Main Chassis/Heat Sink, External Side Left and Right Views
• Exhibit 10: Main Chassis/Heat Sink Heat Pipes and Thermal Pedestals Detail
• Exhibit 11: Main Chassis/Heat Sink, Heat Pipe D Expanded View
• Exhibit 12: Heat Pipe D Air Gap, Enlarged View
• Exhibit 13: Fronthaul/Beamforming ASIC Heat Sink Location
• Exhibit 14: Fronthaul/Beamforming ASIC Heat Sink + Heat Pipe Detail
• Exhibit 15: Fronthaul/Beamforming ASIC Heat Sink, Top View
• Exhibit 16: Fronthaul/Beamforming ASIC Heat Sink, Bottom View
• Exhibit 17: Fronthaul/Beamforming ASIC Heat Sink, Side View
• Exhibit 18: Thermal Pedestals 1 and 2 Dimensions
• Exhibit 19: Thermal Pedestal 3 Dimensions
• Exhibit 20: Thermal Pedestal 4 Dimensions
• Exhibit 21: RRU Chassis/Heat Sink Thermal Fins, Left Side View
• Exhibit 22: RRU Chassis/Heat Sink Thermal Fins, Top View
• Exhibit 23: RRU Chassis/Heat Sink Thermal Fins, Bottom View
• Exhibit 24: RRU Chassis/Heat Sink Thermal Fins, Front View
• Exhibit 25: RRU Chassis/Heat Sink Thermal Vent Grill
• Exhibit 26: RRU Chassis/Heat Sink, Internal vs. External View
• Exhibit 27: RRU Chassis/Heat Sink Thermal Fin Dimensions, Top View
• Exhibit 28: RRU Chassis/Heat Sink Thermal Fin Dimensions, Bottom View
• Exhibit 29: RRU Main Chassis Thermal Fin Types and Configuration
• Exhibit 30: RRU Secondary Chassis Thermal Fin Types and Configuration
• Exhibit 31: Attachment Method for Thermal Fin Type 5
• Exhibit 32: Main Chassis/Heat Sink Thermal Fin Type 5
• Exhibit 33: RRU Secondary Chassis/Heat Sink Location, External View
• Exhibit 34: RRU Secondary Chassis/Heat Sink Location, Internal View
• Exhibit 35: RRU Secondary Chassis/Heat Sink, External Screw Location
• Exhibit 36: RRU Secondary Chassis/Heat Sink Guide Pin and Screw Locations, External View
• Exhibit 37: RRU Secondary Chassis/Heat Sink Dimensions, External View
• Exhibit 38: RRU Secondary Chassis/Heat Sink Dimensions, Internal View
• Exhibit 39: RRU Secondary Chassis/Heat Sink Dimensions, Left Side View
• Exhibit 40: RRU Secondary Chassis/Heat Sink Dimensions, Right Side View
• Exhibit 41: RRU Secondary Chassis/Heat Sink Dimensions, Top View
• Exhibit 42: RRU Secondary Chassis/Heat Sink Dimensions, Bottom View
• Exhibit 43: RRU Secondary Chassis/Heat Sink Thermal Pedestals, Top View
• Exhibit 44: RRU Secondary Chassis/Heat Sink Thermal Pedestals, Angled View
• Exhibit 45: RRU Secondary Chassis/Heat Sink Plastic Insert Dimensions
• Exhibit 46: RRU Secondary Chassis/Heat Sink Thermal Vent Dimensions
• Exhibit 47: RRU Interface Panel Cover Location, Closed (Left) and Unlocked (Right)
• Exhibit 48: RRU Interface Panel Cover, Open (Left) and Close Up (Right)
• Exhibit 49: RRU Product Label Details
• Exhibit 50: RRU Interface Panel Cover/Handle Locked, External View
• Exhibit 51: RRU Interface Panel Cover/Handle Locked, Internal View
• Exhibit 52: RRU Interface Panel Cover/Handle Unlocked, External View
• Exhibit 53: RRU Interface Panel Cover/Handle Unlocked, Internal View
• Exhibit 54: RRU Interface Panel Cover/Handle, Right Side View
• Exhibit 55: RRU Interface Panel Cover/Handle, Left Side View
• Exhibit 56: RRU Interface Panel, Detailed View
• Exhibit 57: RRU Interface Panel Cover Hinge Location
• Exhibit 58: RRU Interface Panel Cover Hinge
• Exhibit 59: Pressure Vent, External View
• Exhibit 60: Pressure Vent, Internal View
• Exhibit 61: Pressure Vent Membrane
• Exhibit 62: RRU Power Supply Module Location
• Exhibit 63: RRU Power Supply Module Location (Power Supply Module Removed)
• Exhibit 64: RRU Power Supply Module Top View
• Exhibit 65: RRU Power Supply Module Bottom View
• Exhibit 66: RRU Power Supply Module Top Shield, External View
• Exhibit 67: RRU Power Supply Module Top Shield, Internal View
• Exhibit 68: RRU Power Supply Bottom Shield External View
• Exhibit 69: RRU Power Supply Bottom Shield Internal View
• Exhibit 70: DC-DC Converter Module Thermal System
• Exhibit 71: DC-DC Converter Module Interposer Thermal Interface Material
• Exhibit 72: DC-DC Converter Module Interposer Dimensions
• Exhibit 73: DC-DC Converter Module Heat Transfer Cross Section Diagram
• Exhibit 74: Power Supply PCB Dimensions, Top View
• Exhibit 75: Power Supply PCB Dimensions, Bottom View
• Exhibit 76: 20-wire Board to Board Cable [Component ID 32]
• Exhibit 77: Power Supply PCB Top Component Diagram
• Exhibit 78: Power Supply PCB Bottom Component Diagram
• Exhibit 79: DC Input Voltage 2-Wire Connector [Component ID 17], Top/Bottom and Left/Right Views
• Exhibit 80: DC Input Voltage 2-Wire Connector [Component ID 17], Front and Back Views
• Exhibit 81: RRU Power Supply PCB Circuit Diagram
• Exhibit 82: DC-DC Converter Module, Top View
• Exhibit 83: DC-DC Converter Module, Bottom View
• Exhibit 84: Radio Transceiver PCB, Top View (Left) and Bottom View (Right)
• Exhibit 85: RF Shield Location
• Exhibit 86: Radio Transceiver RF Shield, External View
• Exhibit 87: Radio Transceiver RF Shield, External View
• Exhibit 88: Radio Transceiver PCB, Top, Area A
• Exhibit 89: Radio Transceiver PCB, Top, Area A1 Active Component Diagram
• Exhibit 90: Radio Transceiver PCB, Top, Area A2 Active Component Diagram
• Exhibit 91: Radio Transceiver PCB, Top, Area A2 Passive Component Diagram
• Exhibit 92: Radio Transceiver PCB, Top, Area B
• Exhibit 93: Radio Transceiver PCB, Top, Area B1 Active (Left) and Passive (Right) Component Diagrams
• Exhibit 94: Radio Transceiver PCB, Top, Area B2 Active Component Diagram
• Exhibit 95: Radio Transceiver PCB, Top, Area B3 Active Component Diagram
• Exhibit 96: Radio Transceiver PCB, Top, Area B4 Active Component Diagram
• Exhibit 97: Radio Transceiver PCB, Top, Area B5 Active Component Diagram
• Exhibit 98: Radio Transceiver PCB, Top, Area B6 Active Component Diagram
• Exhibit 99: Radio Transceiver PCB, Top, Area B7 Active Component Diagram
• Exhibit 100: Radio Transceiver PCB, Top, Area B8 Active Component Diagram
• Exhibit 101: Radio Transceiver PCB, Top, Area B9 Active Component Diagram
• Exhibit 102: Radio Transceiver PCB, Top, Area B10 Active Component Diagram
• Exhibit 103: Radio Transceiver PCB, Top, Area B11 Active Component Diagram
• Exhibit 104: Radio Transceiver PCB, Top, Area B12 Active Component Diagram
• Exhibit 105: Radio Transceiver PCB, Top, Area C
• Exhibit 106: Radio Transceiver Dual Channel Power Amplifier, Area Cx
• Exhibit 107: Radio Transceiver PCB, Top, Area C1 Component Diagram
• Exhibit 108: RF Tx Chain Block Diagram
• Exhibit 109: Radio Transceiver PCB, Top, Area C1 Solder Attach Detail
• Exhibit 110: Radio Transceiver PCB, Top, Area D
• Exhibit 111: Radio Transceiver PCB, Top, Area D1 Component Diagram
• Exhibit 112: Radio Transceiver PCB, Top, Area D2 Component Diagram
• Exhibit 113: Radio Transceiver PCB, Top, Area D3 Component Diagram
• Exhibit 114: Radio Transceiver PCB, Top, Area D4 Component Diagram
• Exhibit 115: Radio Transceiver PCB, Top, Area E
• Exhibit 116: Radio Transceiver PCB, Top, Area E1
• Exhibit 117: Radio Transceiver PCB, Top, Area E1A Component Diagram
• Exhibit 118: Radio Transceiver PCB, Top, Area E1B Component Diagram
• Exhibit 119: Radio Transceiver PCB, Top, Area E1C Component Diagram
• Exhibit 120: Radio Transceiver PCB, Top, Area E1D Component Diagram
• Exhibit 121: Radio Transceiver PCB, Bottom, Area E3 Component Diagram
• Exhibit 122: Radio Transceiver PCB, Bottom, Area E4 Component Diagram
• Exhibit 123: Radio Transceiver PCB, Bottom, Area E5 Component Diagram
• Exhibit 124: Radio Transceiver PCB, Bottom, Area E6 Component Diagram
• Exhibit 125: Radio Transceiver PCB, Bottom, Area F
• Exhibit 126: Radio Transceiver PCB, Bottom, Area F1
• Exhibit 127: Radio Transceiver PCB, Bottom, Area F1A Component Diagram
• Exhibit 128: Radio Transceiver PCB, Bottom, Area F1B Component Diagram
• Exhibit 129: Radio Transceiver PCB, Bottom, Area F1C Component Diagram
• Exhibit 130: Radio Transceiver PCB, Bottom, Area F1D Component Diagram
• Exhibit 131: Radio Transceiver PCB, Bottom, Area F2 Component Diagram
• Exhibit 132: RF Power Amplifier Heatsink Dimensions
• Exhibit 133: RF Filter Subsystem, External (Left) and Internal (Right) Views
• Exhibit 134: Cavity Filters and Antenna Feed Areas
• Exhibit 135: Cavity Filters for RF Ch. 1-Ch.8
• Exhibit 136: RF Filter Shield, External (Left) and Internal (Right) Views
• Exhibit 137: RF Ports, External (Left) and Internal (Views)
• Exhibit 138: RF Filter Shield, External View
• Exhibit 139: RF Filter Shield, Internal View, Resonator Tap Screw Map
• Exhibit 140: Resonator Type Legend
• Exhibit 141: Resonator Tap Screw Type A (Left) and Type B (Right)
• Exhibit 142: Resonator Tap Screw Type C (Left) and Type D (Right)
• Exhibit 143: Resonator Tap Screw Type E (Left) and Coupling Barbell (Right)
• Exhibit 144: Launch Point Types, Resonator Types, and Coupling Paths Legend
• Exhibit 145: Resonator Launch Point Type, Metal Tab (Left) and Metal Wire (Right)
• Exhibit 146: Resonator Type A (Left) and Type B (Right)
• Exhibit 147: Resonator Type C (Left) and Type D (Right)
• Exhibit 148: RF Filter Resonator Channel Map
• Exhibit 149: RF Filter Resonator Coupling Map
• Exhibit 150: Type 1 Coupling Resonator
• Exhibit 151: Type 2 Coupling Resonator
• Exhibit 152: Type 3 Coupling Resonator
• Exhibit 153: Antenna Feed Section with RF Shields Diagram
• Exhibit 154: Antenna Feed Section without RF Shields Diagram
• Exhibit 155: Antenna Feed Map Legend
• Exhibit 156: Antenna Feed Component Diagram
• Exhibit 157: Antenna Feed Diagram, 1st Lumped Element Filter
• Exhibit 158: Antenna Feed Diagram, Sidewall Metal T Cap Detail
• Exhibit 159: T-Shaped Cap On (Left) and Off (Right) Views
• Exhibit 160: RF Combiner Shield, External View
• Exhibit 161: RF Combiner Shield, Internal View
• Exhibit 162: RF Combiner PCB, Top View, Component Diagram
• Exhibit 163: RF Combiner PCB, Bottom View, Component Diagram
• Exhibit 164: RF Combiner Top View, Coupler Locations
• Exhibit 165: Detailed View of RF Couplers, Top PCB
• Exhibit 166: Detailed View of RF Coupling Area, Bottom PCB
• Exhibit 167: RF Coupler Locations Relative to Semi-Rigid Coaxial Cables
• Exhibit 168: RF Channel 1 Coupler Circuit
• Exhibit 169: Combiner PCB Output to CAL IN Coaxial Cable
• Exhibit 170: CAL IN and CAL OUT RF Connector Port Locations
• Exhibit 171: RF Filter Block Diagram
• Exhibit 172: Component Market Share by Type
• Exhibit 173: Active Semiconductor Market Share by Vendor
• Exhibit 174: Active Semiconductor Market Share by Vendor, 64+ Pin
• Exhibit 175: Passive/Connector/Other Component Market Share by Vendor
• Exhibit 176: Passive/Connector/Other Component Market Share by Function
• Exhibit 177: Passive/Connector/Other Component Market Share by Country of Origin