1. No category

DesigN Analysis - Infrastructure
Earl J. Lum
+1-650-430-2221
[email protected]
Ericsson W-CDMA/LTE 2100MHz Remote Radio Unit
120W (2 x 60W)
KRC 161 349/2 R1B
Model RRUS12 B4
April 2015
Entire contents © 2015 EJL Wireless Research LLC. All Rights Reserved. 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.
© 2015 EJL Wireless Research LLC. All Rights Reserved
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 ....................................... 14
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 ....................................... 33
CHAPTER 4: RRUS 12 POWER SURGE PROTECTION DEVICE (SPD) PCB ......... 37
CHAPTER 5: RRUS 12 TRX/PA SUBSYSTEM .......................................... 40
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 101 0002/AA ................................................72
Area I: Support Circuitry for ROR 101 0014/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 101 0001/BB R1B ..................................................................................93
ROR 101 0002/AA R1C ..................................................................................96
ROR 101 0003/BA R1D ..................................................................................99
ROR 101 0009/AA R1D ................................................................................ 102
ROR 101 0010/BA R1E ................................................................................ 105
ROR 101 0014/BA R1C ................................................................................ 108
PA9F73 Frequency Synthesizer Module........................................................... 111
PV1F01 Frequency Synthesizer Module........................................................... 113
E-H14A Frequency Synthesizer Module........................................................... 115
E-H03B Frequency Synthesizer Module........................................................... 117
E-H03B Frequency Synthesizer Module........................................................... 119
CHAPTER 6: RRUS 12 DUPLEXER CAVITY FILTER RF SUBSYSTEM ............... 121
VSWR PCB ................................................................................................. 127
RRUS 12 Duplexer Filter Waveguide/Resonator Analysis ................................... 134
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TX Sampling Circuit..................................................................................... 138
APPENDIX A - PASSIVE COMPONENT MARKET SHARE/CASE SIZE ANALYSIS ..... 144
APPENDIX B - ACTIVE COMPONENT MARKET SHARE ANALYSIS .................... 152
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TABLES
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1: RRUS 12 Interface Connector/Cable Assembly Bill of Materials .............................................. 28
2: Interface PCB Top, Bill of Materials .................................................................................... 34
3: Interface PCB Bottom, Bill of Materials ............................................................................... 35
4: Power SPD PCB Bill of Materials......................................................................................... 39
5: Area A Bill of Materials ..................................................................................................... 49
6: Area A1 Bill of Materials ................................................................................................... 51
7: Area A2 Bill of Materials ................................................................................................... 52
8: Area B Bill of Materials ..................................................................................................... 54
9: Area C Bill of Materials ..................................................................................................... 56
10: Area D Bill of Materials ................................................................................................... 58
11: Area E1 Bill of Materials.................................................................................................. 63
12: Area E2 Bill of Materials.................................................................................................. 64
13: Area F1 Bill of Materials .................................................................................................. 68
14: Area F2 Bill of Materials .................................................................................................. 69
15: Area G Bill of Materials ................................................................................................... 71
16: Area O Bill of Materials ................................................................................................... 71
17: Area H Bill of Materials ................................................................................................... 72
18: Area I Bill of Materials .................................................................................................... 73
19: Area J Bill of Materials .................................................................................................... 75
20: Area K Bill of Materials ................................................................................................... 77
21: Area L Bill of Materials.................................................................................................... 79
22: Area M Bill of Materials ................................................................................................... 81
23: Area N Bill of Materials ................................................................................................... 83
24: Area P1 Bill of Materials .................................................................................................. 86
25: Area P2 Bill of Materials .................................................................................................. 86
26: Area Q Bill of Materials ................................................................................................... 88
27: Area R Bill of Materials ................................................................................................... 90
28: Area S Bill of Materials ................................................................................................... 92
29: ROR 101 0001/BB Bill of Materials ................................................................................... 95
30: ROR 101 0002/AA Bill of Materials ................................................................................... 98
31: ROR 101 0003/BA Bill of Materials ................................................................................. 101
32: ROR 101 0009/AA Bill of Materials ................................................................................. 104
33: ROR 101 0010/BA Bill of Materials ................................................................................. 107
34: ROR 101 0014/BA Bill of Materials ................................................................................. 110
35: PA9F73 Module Bill of Materials ..................................................................................... 112
36: PV1F01 Module Bill of Materials ..................................................................................... 114
37: E-H14A Module Bill of Materials ..................................................................................... 116
38: E-H03B Module Bill of Materials ..................................................................................... 118
39: E-H32A Module Bill of Materials ..................................................................................... 120
40: VSWR PCB Top Bill of Materials...................................................................................... 132
41: VSWR PCB Bottom Bill of Materials................................................................................. 133
42: Passive Component Case Size Distribution by System Subsection ...................................... 145
43: Passive Component Case Size Distribution by System Subsection (Modules) ....................... 147
44: Identified Passive Component Supplier Distribution by System Subsection .......................... 148
45: Identified Passive Component Supplier Distribution by System Subsection (Modules) ........... 149
46: Active/Passive Component Distribution by System Subsection ........................................... 151
47: Active Semiconductor/Component Vendor Distribution by System Subsection ..................... 153
48: Active Semiconductor/Component Vendor Distribution by System Subsection (Modules)....... 155
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EXHIBITS
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1: Ericsson RBS6601 Main-Remote BTS System (L), RRUS 12 (R) ........................................... 10
2: RBS6601 Configurations (Star/Cascade)........................................................................... 10
3: Ericsson RRUS 12 B4 System Block Diagram..................................................................... 11
4: RBS6601 Main Unit with DUL .......................................................................................... 12
5: RRUS 12 Connection Interfaces ....................................................................................... 13
6: RRUS 12 with Solar Shield Front (L), Front Opened (C) and Solar Shield Back (R) ................. 14
7: RRUS 12 Front View with Solar Shield, (External (L) and Internal (R)................................... 15
8: RRUS 12 Rear View with Solar Shield, External (L) and Internal (R) ..................................... 15
9: RRUS 12 Front View with Solar Shield Removed ................................................................ 16
10: RRUS 12 Front Solar Shield Guide Rails .......................................................................... 17
11: RRUS 12 Rear View with Solar Shield Removed, Side Strips .............................................. 17
12: Side Solar Shield Strips ................................................................................................ 18
13: RRUS 12 Duplexer Filter Cover, External View ................................................................. 19
14: RRUS 12 Duplexer Filter Cover, Internal View ................................................................. 19
15: RRUS 12 Status Indicator Flex Cable .............................................................................. 20
16: RRUS 12 Top Frame, External View, Filter Cover Removed................................................ 20
17: RRUS 12 Top Frame, External View, Filter Removed......................................................... 21
18: RRUS 12 Top Frame, External View................................................................................ 22
19: RRUS 12 Duplexer Filter/Transceiver Connector Interfaces................................................ 23
20: RRUS 12 Top Frame, Internal View with PCBs ................................................................. 24
21: RRUS 12 Top Frame, Internal View without Interface and SPD PCBs .................................. 25
22: RRUS 12 Top Frame, Internal View without Transceiver/Power Amplifier PCB ...................... 26
23: RRUS 12 Top Frame, Internal View ................................................................................ 27
24: RRUS 12 Interface Connector/Cable Assembly Location Diagram ....................................... 28
25: RRUS 12 Cables/Connectors System Block Diagram ......................................................... 29
26: RRUS 12 Rear Frame, External View .............................................................................. 30
27: RRUS 12 Rear Frame, Internal View ............................................................................... 31
28: RRUS 12 Rear Frame, Internal View of Thermal Pads/Pedestals ......................................... 32
29: Interface PCB Dimensions ............................................................................................. 33
30: Interface PCB Component Diagram. Top ......................................................................... 33
31: Interface PCB Component Diagram. Bottom .................................................................... 36
32: Power SPD PCB Dimensions .......................................................................................... 37
33: Power SPD PCB Component Diagram. Top ...................................................................... 38
34: Power SPD PCB Component Diagram. Bottom ................................................................. 38
35: RRUS 12 TRx PCB, Top View ......................................................................................... 42
36: RRUS 12 TRx PCB, Bottom View .................................................................................... 42
37: RRUS 12 TRx PCB with RF/Digital Connectors, Top View ................................................... 43
38: RRUS 12 TRx PCB with RF/Digital Connectors, Bottom View .............................................. 43
39: RRUS 12 TRx PCB Areas A-I .......................................................................................... 44
40: RRUS 12 TRx PCB Areas J-S.......................................................................................... 44
41: RRUS 12 TRx PCB with Ericsson Modules, Top View.......................................................... 45
42: RRUS 12 TRx PCB with Ericsson Modules, Bottom View..................................................... 45
43: Area A Component Diagram .......................................................................................... 46
44: Area A1 Component Diagram ........................................................................................ 47
45: Area A2 Component Diagram ........................................................................................ 48
46: Area B Component Diagram .......................................................................................... 53
47: Area B Block Diagram .................................................................................................. 53
48: Area C Component Diagram .......................................................................................... 55
49: Area D Component Diagram.......................................................................................... 57
50: Area E1 Component Diagram ........................................................................................ 59
51: Area E1 Block Diagram, FB-A1 & FB-A2 .......................................................................... 60
52: Area E1 Block Diagram, RXA ......................................................................................... 60
53: Area E2 Component Diagram ........................................................................................ 61
54: Area E2 Block Diagram, FB-B1 & FB-B2 .......................................................................... 62
55: Area E1 Block Diagram, RXB ......................................................................................... 62
56: Area F1 Component Diagram ........................................................................................ 65
57: Area F2 Component Diagram ........................................................................................ 66
58: Area F1 TXA Block Diagram........................................................................................... 67
59: Area F2 TXB Path Block Diagram ................................................................................... 67
60: Area G Component Diagram.......................................................................................... 70
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61: Area O Component Diagram.......................................................................................... 70
62: Area H Component Diagram.......................................................................................... 72
63: Area I Component Diagram........................................................................................... 73
64: Area J Component Diagram........................................................................................... 74
65: Area K Component Diagram .......................................................................................... 76
66: Area L Component Diagram .......................................................................................... 78
67: Area M Component Diagram ......................................................................................... 80
68: Area N Component Diagram.......................................................................................... 82
69: Area N Block Diagram .................................................................................................. 82
70: Area P1 Component Diagram ........................................................................................ 84
71: Area P2 Component Diagram ........................................................................................ 85
72: Area Q Component Diagram.......................................................................................... 87
73: Area R Component Diagram .......................................................................................... 89
74: Area R Block Diagram .................................................................................................. 89
75: Area S Component Diagram .......................................................................................... 91
76: ROR 101 0001/BB R1B Component Diagram ................................................................... 93
77: ROR 101 0001/BB R1B Block Diagram............................................................................ 94
78: ROR 101 0002/AA R1C Block Diagram............................................................................ 96
79: ROR 101 0002/AA R1C Component Diagram ................................................................... 97
80: ROR 101 0003/BA R1D Block Diagram............................................................................ 99
81: ROR 101 0003/BA R1D Component Diagram ................................................................. 100
82: ROR 101 0009/AA R1D Block Diagram.......................................................................... 102
83: ROR 101 0009/AA R1D Component Diagram ................................................................. 103
84: ROR 101 0010/BA R1E Block Diagram, TXA .................................................................. 105
85: ROR 101 0010/BA R1E Block Diagram, TXB .................................................................. 106
86: ROR 101 0010/BA R1E Component Diagram ................................................................. 106
87: ROR 101 0014/BA Block Diagram, TXA ......................................................................... 108
88: ROR 101 0014/BA Block Diagram, TXB ......................................................................... 109
89: ROR 101 0014/BA Component Diagram........................................................................ 109
90: PA9F73 Module Component Diagram ............................................................................ 111
91: PV1F01 Module Component Diagram ............................................................................ 113
92: E-H14A Module Component Diagram............................................................................ 115
93: E-H03B Module Component Diagram............................................................................ 117
94: E-H32A Module Component Diagram............................................................................ 119
95: RRUS 12 Duplexer Filter, Top View .............................................................................. 121
96: RRUS 12 Duplexer Filter, Bottom View ......................................................................... 122
97: RRUS 12 Duplexer Filter, Side View.............................................................................. 122
98: RRUS 12 Duplexer Filter, Front View ............................................................................ 122
99: RRUS 12 Duplexer Filter Block Diagram ........................................................................ 123
100: RRUS 12 Duplexer Filter RF Shield, External View ........................................................ 124
101: RRUS 12 Duplexer Filter RF Shield, Internal View......................................................... 124
102: RRUS 12 Duplexer Filter SMP Connector Locations ....................................................... 125
103: RRUS 12 Duplexer Filter Resonator Locations .............................................................. 126
104: RRUS 12 Duplexer Filter Tx/Rx A and B Paths.............................................................. 126
105: RRUS 12 Duplexer Filter VSWR PCB ........................................................................... 127
106: RRUS 12 VSWR Cavity Metal Wall Divider, Top View ..................................................... 128
107: RRUS 12 VSWR Cavity Metal Wall Divider, Side View .................................................... 128
108: RRUS 12 VSWR PCB Component Diagram, Top View..................................................... 129
109: RRUS 12 VSWR PCB Component Diagram, Bottom View ............................................... 130
110: RRUS 12 Duplexer Filter VSWR Signal/Power Connector Dimensions .............................. 130
111: RRUS 12 Duplexer Filter VSWR Block Diagram............................................................. 131
112: RRUS 12 Duplexer Filter 7/16 DIN Connector Gasket/Washer/Nut .................................. 131
113: RRUS 12 Duplexer Filter Resonator Type Locations....................................................... 134
114: RRUS 12 Duplexer Filter with Waveguide Coupler Locations .......................................... 135
115: RRUS 12 Duplexer Filter Waveguide Coupler Dimensions, Side View............................... 135
116: RRUS 12 Duplexer Filter Waveguide Coupler Dimensions, Top View................................ 135
117: RRUS 12 Duplexer Filter Waveguide Coupler Type A & B Locations ................................. 136
118: RRUS 12 Duplexer Filter Waveguide Coupler Type C Locations....................................... 136
119: RRUS 12 Duplexer Filter Tx and Rx Launcher Tabs ....................................................... 137
120: RRUS 12 Duplexer Filter Tx Sampling Circuit ............................................................... 138
121: RRUS 12 Duplexer Filter Tx Sampling Circuit Shield, External View................................. 138
122: RRUS 12 Duplexer Filter Tx Sampling Circuit Shield, External View................................. 139
123: RRUS 12 Duplexer Filter Tx Sampling Circuit, Shield Removed....................................... 139
124: RRUS 12 Duplexer Filter TxA Sampling Circuit ............................................................. 140
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RRUS 12 Duplexer Filter TxB Sampling Circuit, Top View............................................... 141
RRUS 12 Duplexer Filter TxB Sampling Circuit, Bottom View.......................................... 141
RRUS 12 Duplexer Filter TxA Sampling Circuit PCB, Top View ........................................ 142
RRUS 12 Duplexer Filter TxA Sampling Circuit PCB, Bottom View ................................... 142
RRUS 12 Duplexer Filter TxA Sampling Circuit PCB, Coupling Path Locations ................... 143
Passive Component Case Size Distribution .................................................................. 144
Identified Passive Component Market Share by Vendor................................................. 150
Active Semiconductor Component Share ..................................................................... 152
High Pin Count IC vs. Discretes.................................................................................. 156
Active Semiconductor Market Share by Vendor ............................................................ 157
High Pin Count (64+) Active Semiconductor Market Share by Vendor ............................. 158
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