Analysis of Huawei Technologies RRU 5818 400W 3500MHz

Table of Contents

EXECUTIVE SUMMARY 

• Active/Passive Component Summary

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 

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) 

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, st 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 

Samples