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Qualcomm WTR1605L LTE/HSPA+/CDMA2K/TDSCDMA/EDGE/ GPS RF Transceiver Circuit Analysis 1891 Robertson Road, Suite 500, Ottawa, ON K2H 5B7 Canada Tel: 613.829.0414 Fax: 613.829.0515 www.chipworks.com

Qualcomm - TechInsights . WTR1605L . LTE/HSPA+/CDMA2K/TDSCDMA/EDGE/ GPS RF Transceiver . Circuit Analysis . 1891 Robertson Road, Suite 500, Ottawa, ON K2H 5B7 Canada Tel:

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Page 1: Qualcomm - TechInsights . WTR1605L . LTE/HSPA+/CDMA2K/TDSCDMA/EDGE/ GPS RF Transceiver . Circuit Analysis . 1891 Robertson Road, Suite 500, Ottawa, ON K2H 5B7 Canada Tel:

Qualcomm WTR1605L LTE/HSPA+/CDMA2K/TDSCDMA/EDGE/ GPS RF Transceiver Circuit Analysis

1891 Robertson Road, Suite 500, Ottawa, ON K2H 5B7 Canada Tel: 613.829.0414 Fax: 613.829.0515 www.chipworks.com

Diane_Dupont
TOC
Page 2: Qualcomm - TechInsights . WTR1605L . LTE/HSPA+/CDMA2K/TDSCDMA/EDGE/ GPS RF Transceiver . Circuit Analysis . 1891 Robertson Road, Suite 500, Ottawa, ON K2H 5B7 Canada Tel:

Qualcomm WTR1605L RF Transceiver

Some of the information in this report may be covered by patents, mask and/or copyright protection. This report should not be taken as an inducement to infringe on these rights.

© Chipworks Inc. 2014 all rights reserved. Chipworks and the Chipworks logo are registered trademarks of Chipworks Inc.

This report is provided exclusively for the use of the purchasing organization. It can be freely copied and distributed within the purchasing organization, conditional upon the accompanying Chipworks accreditation remaining attached.

Distribution of the entire report outside of the purchasing organization is strictly forbidden. The use of portions of the document for the support of the purchasing organization's corporate interest (e.g., licensing or marketing activities) is permitted, as defined by the fair use provisions of the copyright act. Accreditation to Chipworks must be attached to any portion of the reproduced information.

CAR-1408-901

25606DYJC

Revision 1.0 Published: September 12, 2014

Page 3: Qualcomm - TechInsights . WTR1605L . LTE/HSPA+/CDMA2K/TDSCDMA/EDGE/ GPS RF Transceiver . Circuit Analysis . 1891 Robertson Road, Suite 500, Ottawa, ON K2H 5B7 Canada Tel:

Qualcomm WTR1605L RF Transceiver

Overview

Introduction

Brief Design Overview

Component Descriptions

Device Summary

Figures To view, please click on the appropriate bookmark in the panel on the left.

0.1.1 Package Markings 0.1.2 Package X-Ray 0.1.3 Die Markings 0.2.1 Die Photograph 0.2.2 Die Photograph – Polysilicon Layer 0.2.3 Die Architecture

Schematics

1.0.0.0 Top Level Diagram

2.0.0.0 2.1.0 2.1.1 2.1.2 2.1.3 2.1.4 2.1.5 2.1.6 2.1.7 2.1.8 2.1.9 2.1.10 2.1.11 2.1.12 2.1.13 2.1.14 2.1.15 2.1.16 2.1.17 2.1.18

Primary Receive Path Primary LNAs and Mixers Primary HB LNA LNA PADs and ESD UNUSED_30 UNUSED_31 LNA 1 Variable RES LNA 2 Pull-Up CS Switch Pull-Up CS S_TRIGATE_26_13D4S1 Programmable CAPs 1 Voltage Bias Generator 1 S_TRIGATE_41L3_21L3D8S1 Signal Path S_TRIGATE_51L3_26L3D4S3 Signal Path Voltage Reference Generator

Page 4: Qualcomm - TechInsights . WTR1605L . LTE/HSPA+/CDMA2K/TDSCDMA/EDGE/ GPS RF Transceiver . Circuit Analysis . 1891 Robertson Road, Suite 500, Ottawa, ON K2H 5B7 Canada Tel:

Qualcomm WTR1605L RF Transceiver

2.1.19 Switch 2.1.20 Amplifier 2.1.21 TRIGATE_4B_1 2.1.22 Control Buffers 2.1.23 Switch Circuit 2.1.24 Current Sources 2.1.25 Pull-Up CS 2.1.26 Primary HB Mixer 2.1.27 Oscillator Drivers 2.1.28 Clock Buffers 2.1.29 Voltage Generator 2.1.30 Unused 2.1.31 Clock Drivers 2.1.32 Clock Drivers 2.1.33 HB Quadrature Generator 2.1.34 Voltage Generator 2.1.35 Primary MB LNA 2.1.36 LNA 1 2.1.37 Pull-Up Cell 2.1.38 Internal Voltage Generator 2.1.39 AMP_52S1 2.1.40 MUXs 2.1.41 Signal Path 2.1.42 Control Logic 1 2.1.43 Voltage Bias Generator 2.1.44 S_TRIGATE_11_5P5D4 2.1.45 S_TRIGATE_51L3_26L3D6 2.1.46 S_TRIGATE_51L3_26L3D4 2.1.47 Variable CAPs 2.1.48 Pull-Up Cell 2.1.49 Current Sources 2.1.50 Pull-Up CS 1 2.1.51 Pull-Up CS 2 2.1.52 Pull-Up CS 3 2.1.53 Control Buffers 2.1.54 Decoder 2.1.55 Control Logic 1 2.1.56 S_TRIGATE_101L3X6_101L3X2 2.1.57 LNA 2 2.1.58 Variable CAPs 1

Page 5: Qualcomm - TechInsights . WTR1605L . LTE/HSPA+/CDMA2K/TDSCDMA/EDGE/ GPS RF Transceiver . Circuit Analysis . 1891 Robertson Road, Suite 500, Ottawa, ON K2H 5B7 Canada Tel:

Qualcomm WTR1605L RF Transceiver

2.1.59 Pull-Up CS 1 2.1.60 Signal Path 2.1.61 Amplifier 1 2.1.62 S_TRIGATE_51L3_26L3D32 2.1.63 S_TRIGATE_51L3_26L3D32S1 2.1.64 Voltage Bias Generator 2.1.65 Signal Path 2.1.66 Signal Path 2.1.67 S_TRIGATE_51L3_26L3D4S2 2.1.68 S_TRIGATE_51_26L2D4 2.1.69 S_TRIGATE_41L3_21L3D8 2.1.70 Internal Voltage Generator 2.1.71 TRIGATE_8B_1 2.1.72 S_TRIGATE_51L3_26L3D4S1 2.1.73 AMP_52 2.1.74 Control Logic 1 2.1.75 Signal Path 2.1.76 Pull-Down 2.1.77 Unused 2.1.78 MUXs 2.1.79 Switch 2.1.80 LNA PADs and ESD 2.1.81 UNUSED_21 2.1.83 LNA 3 2.1.84 Internal Voltage Generator 2.1.85 Signal Path 2.1.86 Voltage Bias Generator 2.1.87 ADJ_CAP_9 2.1.88 Variable CAPs 2.1.89 Primary MB Mixer 2.1.90 Signal Path 2.1.91 Oscillator Drivers 2.1.92 Clock Drivers 2.1.93 Clock Buffers 2.1.94 Unused 2.1.95 Voltage Reference 2.1.96 UNUSED_23 2.1.97 Clock Drivers 2.1.98 MB Quadrature Generator 2.1.99 Voltage Generator

Page 6: Qualcomm - TechInsights . WTR1605L . LTE/HSPA+/CDMA2K/TDSCDMA/EDGE/ GPS RF Transceiver . Circuit Analysis . 1891 Robertson Road, Suite 500, Ottawa, ON K2H 5B7 Canada Tel:

Qualcomm WTR1605L RF Transceiver

2.1.100 Primary LB LNA 2.1.101 Current Source 2.1.102 Current Bias 2.1.103 INV2F_8B 2.1.104 Current Source 2.1.105 Current Bias 2.1.106 Variable CAPs 2.1.107 LNA 2 2.1.108 MUX6_2S1 2.1.109 Signal Path 2.1.110 Variable RES 2.1.111 Pull-Up CS 2.1.112 Pull-Up CS 2.1.113 Control Buffers 1 2.1.114 Control Buffers 2 2.1.115 Internal Voltage Generator 2.1.116 Amplifier 2.1.117 S_TRIGATE_51L3_26L3D16 2.1.118 Voltage Bias Generator 2.1.119 Signal Path 2.1.120 S_TRIGATE_11X4_11X2 2.1.121 Variable CAPs 2.1.122 Control Logic 2.1.123 Decoder 2.1.124 S_OA31_6_4 2.1.125 LNA 1 2.1.126 Variable CAPs 1 2.1.127 Pull-Up CS 2.1.128 Voltage Bias Generator 2.1.129 Signal Path 2.1.130 Signal Path 2.1.131 Pull-Up CS 2.1.132 Unused 2.1.133 Signal Path 2.1.134 Variable Resistor 2.1.135 Pull-Down 2.1.136 Internal Voltage Generator 2.1.137 Amplifier 2.1.138 Switch 2.1.139 TRIGATE_4B_2

Page 7: Qualcomm - TechInsights . WTR1605L . LTE/HSPA+/CDMA2K/TDSCDMA/EDGE/ GPS RF Transceiver . Circuit Analysis . 1891 Robertson Road, Suite 500, Ottawa, ON K2H 5B7 Canada Tel:

Qualcomm WTR1605L RF Transceiver

2.1.140 LNA 3 2.1.141 MUXs 2.1.142 Switches 2.1.143 Switch 2.1.144 LNA PADs and ESD 2.1.145 Primary LB Mixer 2.1.146 Voltage Generator 2.1.147 Oscillator Drivers 2.1.148 Clock Drivers 2.1.149 Voltage Generator 2.1.150 Clock Buffers 2.1.151 Control Logic 2.1.152 LB Quadrature Generator 2.1.153 ESD 2.1.154 Voltage Bias Reference 2.1.155 Unused 2.1.156 S_TRIGATE_41L3_21L3D40 2.1.157 S_TRIGATE_41L3_21L3D20 2.1.158 Signal Path 2.1.159 Resistor Divider 1 2.1.160 Programmable RES 1 2.1.161 RES Control Logic 2.1.162 Programmable RES 2 2.1.163 S_TRIGATE_21L3_21L3D20 2.1.164 Voltage Driver 2.1.165 Control Circuit 2.1.166 Voltage Bias Generator 2.1.167 S_TRIGATE_41L3_31L3X4 2.1.168 S_TRIGATE_41L3_21L3 2.1.169 Amplifier 1 2.1.170 Amplifier 2 2.1.171 MUX Select 1 2.1.172 INVDIFF_12B 2.1.173 DEC_4B_1 2.1.174 MUX Select 2 2.1.175 DEC_2B 2.1.176 INVDIFF_4B_1 2.1.177 MUX Select 3 2.1.178 INVDIFF_8B_1 2.1.179 DEC_3B_1

Page 8: Qualcomm - TechInsights . WTR1605L . LTE/HSPA+/CDMA2K/TDSCDMA/EDGE/ GPS RF Transceiver . Circuit Analysis . 1891 Robertson Road, Suite 500, Ottawa, ON K2H 5B7 Canada Tel:

Qualcomm WTR1605L RF Transceiver

2.1.180 Control Logic 2 2.1.181 Voltage Reference 2.1.182 Programmable CS 2.1.183 S_TRIGATE_26_13D4 2.1.184 Buffers 2.1.185 Unused 2.1.186 Programmable RES 3 2.1.187 DEC_3B 2.1.188 S_TRIGATE_101L3X6_102L3X2 2.1.189 Unused 2.1.190 Decoder 2.1.191 Switch Circuit 2.1.192 ESD 2.1.193 MUXs 2.1.194 Switch 2.1.195 Control Buffers 2.1.196 S_TRIGATE_11X8_11X4 2.1.197 Frequency Divider 1 2.1.198 S_INV_11_11D4 2.1.199 CELL_1 2.1.200 MUXs 2.1.201 Switch 2.1.202 Filter CAPs 2.1.203 S_TRIGATE_131L3_131L3D20S1 2.1.204 S_TRIGATE_131L3X180_131L3X90 2.1.205 UNUSED_CAP_2 2.1.206 S_TRIGATE_131L3_131L3D20 2.1.207 ESD 2.1.208 Select Voltage Reference 2.1.209 Frequency Divider 2.1.210 Control Logic 2.1.211 Amplifier 2.1.212 Resistor Divider 2.1.213 DEC_2B_2 2.2.0 Primary I/Q IF Filter 2.2.1 IF Filter 2.2.2 Resistor Divider 1 2.2.3 Amplifier 1 2.2.4 CAP_25 2.2.5 Resistor Divider 2

Page 9: Qualcomm - TechInsights . WTR1605L . LTE/HSPA+/CDMA2K/TDSCDMA/EDGE/ GPS RF Transceiver . Circuit Analysis . 1891 Robertson Road, Suite 500, Ottawa, ON K2H 5B7 Canada Tel:

Qualcomm WTR1605L RF Transceiver

2.2.6 Voltage Bias 2.2.7 Amplifier 2 2.2.8 VS_GENERATOR_6S2 2.2.9 RES_DIV_13S2 2.2.10 Voltage Reference 2.2.11 Programmable RES 1 2.2.12 Programmable RES 2 2.2.13 Programmable CAP 1 2.2.14 Programmable CAP 2 2.2.15 Signal Path 2.2.16 Programmable CAP 3 2.2.17 Signal Path 2.2.18 Signal Path 2.2.19 Voltage Bias 2.2.20 Amplifier 3 2.2.21 Voltage Reference 2.2.22 Resistor Divider 2.2.23 Programmable RES 3 2.2.24 Voltage Generator 2.2.25 Programmable CAP 4 2.2.26 Programmable RES 4 2.2.27 Programmable CAP 5 2.2.28 Programmable CAP 6 2.2.29 Signal Path 2.2.30 Control Buffers 2.2.31 BUF2_8B_2 2.2.32 BUF2_4BS1 2.2.33 DEC_2B_5S1 2.2.34 DEC_4B_2S1 2.2.35 BUF2_5B 2.2.36 UNUSED_25S1 2.2.37 BUF2_9BS1 2.2.38 Programmable RES 5 2.2.39 Control Logic 1 2.2.40 UNUSED_26S1 2.2.41 DEC_4B_6S1 2.2.42 Control Logic 2 2.2.43 BUF2F_6B_1 2.2.44 DEC_4B_7S1 2.2.45 Programmable RES 6

Page 10: Qualcomm - TechInsights . WTR1605L . LTE/HSPA+/CDMA2K/TDSCDMA/EDGE/ GPS RF Transceiver . Circuit Analysis . 1891 Robertson Road, Suite 500, Ottawa, ON K2H 5B7 Canada Tel:

Qualcomm WTR1605L RF Transceiver

2.2.46 S_TRIGATE_91L3_31L3D6S1 2.2.47 Programmable CAP 7 2.2.48 Amplifier 4 2.2.49 CURRENT_SINK_3S1 2.2.50 ADJ_RES_20S1 2.2.51 Current Source 1 2.2.52 Voltage Bias 2.2.53 Unused 2.2.54 Counter 2.2.55 Counter 2.2.56 S_TFC_4_3S1 2.2.57 S_DFSF_4_4S1 2.2.58 S_DFSF_4_4S2 2.2.59 BUF_8B 2.2.60 Control 2.2.61 MUX21_9B 2.2.62 MUX31_8B 2.2.63 Unused 2.2.64 Counter 2.2.65 MUX81_1 2.2.66 Control Logic 2.2.67 Unused 2.2.68 Current Source 2 2.2.69 Unused 2.2.70 Current Source 2.2.71 Signal Path 2.2.72 Current Source 3 2.2.73 Control Buffers 2.2.74 Control Buffers 2.2.75 Current Source 2.2.76 Decoder 2.2.77 Control Logic Buffers 2.2.78 BUF2_9B_1 2.2.79 BUF2_8B_1 2.2.80 BUF_4B_3 2.2.81 BUF2_2B_1 2.2.82 BUF_5B_1 2.2.83 BUF_24B_1 2.2.84 BUF_4B_2 2.2.85 UNUSED_54

Page 11: Qualcomm - TechInsights . WTR1605L . LTE/HSPA+/CDMA2K/TDSCDMA/EDGE/ GPS RF Transceiver . Circuit Analysis . 1891 Robertson Road, Suite 500, Ottawa, ON K2H 5B7 Canada Tel:

Qualcomm WTR1605L RF Transceiver

2.2.86 BUF_22B 2.2.87 MUX2_2 2.2.88 Voltage Bias 3.0.0.0 Diversity RX Quadrature IF Filter 3.1.0 IF Filter 3.1.1 Resistor Divider 1 3.1.2 Amplifier 1 3.1.2.1 Current Sink 3.1.2.2 Programmable RES 3.1.3 Programmable CAP 1 3.1.4 Voltage Bias 3.1.5 Programmable RES 1 3.1.6 Voltage Reference 3.1.7 Programmable RES 2 3.1.8 Signal Path 3.1.9 Signal Path 3.1.11 Programmable CAP 2 3.1.12 Programmable CAP 3 3.1.13 Control Logic 2 3.1.13.1 Control Buffers 3.1.13.2 Unused 3.1.13.3 Decoder 3.1.14 Signal Path 3.1.15 Programmable RES 3 3.1.16 Programmable RES 4 3.1.17 Programmable CAP 4 3.1.18 Voltage Reference 3.1.19 Programmable RES 5 3.1.20 Amplifier 2 3.1.20.1 Voltage Reference 3.1.20.2 RES_DIV_13S1 3.1.21 Voltage Bias 3.1.22 Signal Path 3.1.23 Programmable CAP 5 3.1.24 Programmable CAP 6 3.1.25 Programmable CAP 7 3.1.26 S_TRIGATE_91L3_31L3D6 3.1.27 Control Logic 1 3.1.27.1 DEC_4B_7

Page 12: Qualcomm - TechInsights . WTR1605L . LTE/HSPA+/CDMA2K/TDSCDMA/EDGE/ GPS RF Transceiver . Circuit Analysis . 1891 Robertson Road, Suite 500, Ottawa, ON K2H 5B7 Canada Tel:

Qualcomm WTR1605L RF Transceiver

3.1.27.2 DEC_2B_5 3.1.27.3 BUF2F_6B 3.1.27.4 DEC_4B_2 3.1.28 Amplifier 3 3.1.28.1 Voltage Reference 3.1.28.2 RES_DIV_13 3.1.29 Resistor Divider 2 3.1.30 Control Logic 3 3.1.30.1 BUF2_9B 3.1.30.2 UNUSED_25 3.1.30.3 BUF2_8B 3.1.31 Signal Path 3.2.0 Current Source 1 3.2.2 CS Cell 3.3.0 Current Source 2 3.4.0 Current Source 3 3.4.1 Control Logic 1 3.4.2 Control Logic 2 3.4.4 Control Logic 3 3.5.0 Voltage Bias Generator 4.0.0.0 Rx Signal Detector Filter 4.1.0 Filter 4.1.1 Current Source 1 4.1.2 Programmable CAP 1 4.1.3 Programmable RES 1 4.1.4 Programmable CAP 2 4.1.5 Comparator 4.1.5.1 BIAS_17 4.1.5.2 DEC_3B_9 4.1.5.3 CURRENT_SINK_2 4.1.6 Programmable RES 2 4.1.7 Amplifier 1 4.1.8 Programmable CAP 3 4.1.9 Programmable RES 3 4.1.10 Amplifier 2 4.1.10.1 CURRENT_SINK_1 4.1.10.2 ADJ_CAP_17 4.1.10.3 CURRENT_SOURCE_16 4.1.11 S_TRIGATE_61L3_21L3D4

Page 13: Qualcomm - TechInsights . WTR1605L . LTE/HSPA+/CDMA2K/TDSCDMA/EDGE/ GPS RF Transceiver . Circuit Analysis . 1891 Robertson Road, Suite 500, Ottawa, ON K2H 5B7 Canada Tel:

Qualcomm WTR1605L RF Transceiver

4.1.12 Driver 4.1.13 Unused 4.1.14 Control Buffers 4.1.14.1 INVDIFF_3B 4.1.14.2 INVDIFF_6B 4.1.14.3 INVDIFF_7B 4.1.14.4 INVDIFF_4B 4.1.14.5 BUFDIFF_3B 4.1.14.6 BUFDIFF_2B 4.1.14.7 INVDIFF_2B 4.1.14.8 INVDIFF_8B 4.1.15 Voltage Reference 4.2.0 Voltage Supply Signal 4.3.0 Control Circuit 1 4.4.0 Control Circuit 2 4.4.1 Control Logic 4.5.0 Unused 4.6.0 Control Circuit 3 4.7.0 Control Circuit 4 4.8.0 ESD 5.0.0.0 Primary Transmitter 5.1.0 Internal RF Receiver 5.1.1 Bias Current Generator 5.1.2 RC Network 5.1.2.1 Buffer 5.1.3 Buffer 5.1.4 Signal Input 5.1.5 Amplifier 5.1.5.1 Amplifier 5.1.5.2 Amplifier 5.1.5.3 Multiplexer 5.1.5.4 Buffer 5.1.5.5 Decoder 5.1.5.6 Programmable Current Sink 5.1.6 Mixer Quad 5.1.6.1 RF Amplifier 5.1.7 Active BALUN 5.1.8 RF Amplifier 5.1.9 Voltage Divider

Page 14: Qualcomm - TechInsights . WTR1605L . LTE/HSPA+/CDMA2K/TDSCDMA/EDGE/ GPS RF Transceiver . Circuit Analysis . 1891 Robertson Road, Suite 500, Ottawa, ON K2H 5B7 Canada Tel:

Qualcomm WTR1605L RF Transceiver

5.1.10 Buffer 5.1.11 Decoder 5.1.12 Voltage Regulator 5.1.13 Multiplexer 5.1.14 Buffer 5.1.15 ESD Clamp 5.1.16 ESD Clamp 5.2.0 AD Converter 5.2.1 Multiplexers 5.2.3 Unused Circuit 5.2.4 Comparator 5.2.5 ADC Stage 1 5.2.5.1 Bias Generator 5.2.5.2 Voltage Regulator 5.2.5.3 Amplifier 5.2.5.4 S_BUF2_13L3_5L3 5.2.5.5 Bias Generator 5.2.5.6 S_BUF2_14L3_5L3 5.2.5.7 Amplifier 5.2.5.8 Bias Generator 5.2.5.9 Amplifier 5.2.5.10 Bias Generator 5.2.5.11 Amplifier 5.2.5.12 Programmable Resistor 5.2.5.13 Bias Generator 5.2.5.14 Inverters 5.2.5.15 Programmable Current Source 5.2.5.16 Voltage Comparator Input Stage 5.2.5.17 Programmable Resistor 5.2.5.18 Programmable Low-Pass Filter 5.2.5.19 Programmable Attenuator 5.2.5.20 Programmable Controlled Current Sink 5.2.5.21 Programmable Resistor 5.2.5.22 Amplifier 5.2.5.23 Bias Generator 5.2.5.24 Amplifier 5.2.5.25 Programmable Voltage Divider 5.2.5.26 Decoder 5.2.5.27 S_TRIGATE_31L3X12_31L3X16S1 5.2.5.28 Programmable Current Source

Page 15: Qualcomm - TechInsights . WTR1605L . LTE/HSPA+/CDMA2K/TDSCDMA/EDGE/ GPS RF Transceiver . Circuit Analysis . 1891 Robertson Road, Suite 500, Ottawa, ON K2H 5B7 Canada Tel:

Qualcomm WTR1605L RF Transceiver

5.2.5.29 Amplifier 5.2.5.30 Buffers 5.2.5.31 Multiplexer 5.2.5.32 Buffers 5.2.5.33 Buffers 5.2.5.34 RC Filter 5.2.6 Counter 5.2.6.1 DFF 5.2.6.2 TFF 5.2.6.3 Comparator 5.3.0 ESD Clamp 5.4.0 Programmable Capacitor 5.4.1 Buffer 5.5.0 Power and Ground Pads 5.6.0 Programmable RC 5.7.0 Power Switch 5.8.0 RF Power Amplifier Block 1 5.8.1 Programmable Capacitor 5.8.2 Programmable Capacitor 5.8.3 Programmable Resistor 5.8.4 Programmable Capacitor 5.8.5 Unused Circuit 5.8.6 Programmable Capacitor 5.8.7 Switch 5.8.8 RF Amplifier 5.8.9 Switch 5.8.10 PA Control Circuit 5.8.10.1 Decoder 5.8.11 ESD Clamp 5.8.12 Voltage Switch 5.8.12.1 Switch 5.8.13 PA Switch 5.8.13.1 Decoder 5.8.13.2 Switch Block 5.8.13.3 Switch Block 5.8.13.4 Bulk Driver 5.8.13.5 Pull-Down Driver 5.8.13.6 ESD 5.8.13.7 Buffer 5.8.13.8 Programmable Bias Generator

Page 16: Qualcomm - TechInsights . WTR1605L . LTE/HSPA+/CDMA2K/TDSCDMA/EDGE/ GPS RF Transceiver . Circuit Analysis . 1891 Robertson Road, Suite 500, Ottawa, ON K2H 5B7 Canada Tel:

Qualcomm WTR1605L RF Transceiver

5.8.13.9 Programmable Voltage Divider 5.8.13.10 Programmable Resistor 5.8.13.11 Programmable Resistor 5.8.13.12 Programmable Voltage Divider 5.8.13.13 Decoder 5.8.14 Voltage Generator 5.8.14.1 Programmable Resistor 5.8.14.2 Programmable Resistor 5.8.14.3 Programmable Resistor 5.8.14.4 Programmable Voltage Divider 5.8.14.5 Decoder 5.9.0 RF Power Amplifier Block 2 5.9.2 RF Amplifier 5.9.3 RF Power Amplifier 5.9.4 Programmable Capacitor 5.9.5 Bias and Regulator 5.9.5.1 Bias Generator 5.9.5.2 Programmable Bias Current Generator 5.9.5.3 Programmable Bias Current Generator 5.9.5.4 Programmable Bias Current Generator 5.9.5.5 Voltage Regulator 5.9.5.6 Bias Generator 5.9.5.7 Folded Cascode Amplifier 5.9.5.8 Voltage Regulator 5.9.5.9 Bias Current Generator 5.9.6 ESD Clamp 5.10.0 RF Power Amplifier Block 3 5.10.1 Programmable Driver 5.10.2 Programmable Capacitor 5.10.3 Programmable Resistor 5.10.4 Programmable Capacitor 5.10.5 Programmable Capacitor 5.10.6 Programmable Capacitor 5.10.7 Programmable Resistor 5.10.8 Programmable Capacitor 5.10.9 Programmable Voltage Generator 5.10.9.1 Decoder 5.10.10 Programmable Voltage Generator 5.10.10.1 Programmable Voltage Divider 5.10.10.2 Decoder

Page 17: Qualcomm - TechInsights . WTR1605L . LTE/HSPA+/CDMA2K/TDSCDMA/EDGE/ GPS RF Transceiver . Circuit Analysis . 1891 Robertson Road, Suite 500, Ottawa, ON K2H 5B7 Canada Tel:

Qualcomm WTR1605L RF Transceiver

5.10.10.3 Switch 5.10.11 Programmable Capacitor 5.10.12 Multiplexer 5.10.13 PA Switch 5.10.13.1 Programmable Voltage Divider 5.10.13.2 Decoder 5.10.13.3 Switch 5.10.13.4 Decoder 5.10.13.5 Buffer 5.10.13.6 Signal Switch 5.10.13.7 Programmable Switch 5.10.13.8 Programmable Driver 5.11.0 Unused Circuit 5.12.0 Quadrature Signal Generator 5.12.1 Unused Circuit 5.12.2 ESD Clamp 5.12.3 Programmable Voltage Divider 5.12.3.1 Decoder 5.12.4 Frequency Divider with 8-Phase Output 5.12.4.1 Switch Block 5.12.4.2 Voltage Switch 5.12.4.3 Inverter Block 5.12.4.4 S_INV_41X12_41X6 5.12.4.5 S_INV_41_21D10 5.12.5 Control Circuit 5.12.6 Frequency Divider with Quadrature Output 5.12.6.1 Dynamic Flip-Flop 5.12.6.2 Programmable Switch 5.12.6.3 Frequency Divider 5.12.7 Frequency Divider with Quadrature Output 5.12.7.1 Programmable Switch 5.12.7.2 Frequency Divider 5.12.8 Multi-plexer 5.12.8.1 Tri-state Buffer 5.12.9 Frequency Divider with Quadrature Output 5.12.9.1 Dynamic Flip-Flop 5.12.9.2 Programmable Switch 5.12.9.3 Buffer 5.12.9.4 Unused Circuit 5.12.9.5 Programmable Switch

Page 18: Qualcomm - TechInsights . WTR1605L . LTE/HSPA+/CDMA2K/TDSCDMA/EDGE/ GPS RF Transceiver . Circuit Analysis . 1891 Robertson Road, Suite 500, Ottawa, ON K2H 5B7 Canada Tel:

Qualcomm WTR1605L RF Transceiver

5.12.9.6 Dynamic Frequency Divider 5.12.10 Signal Switch 5.12.10.1 Unused Circuit 5.12.10.2 Disabled Circuit 5.13.0 Mixer Block 5.13.1 AND Gate 5.13.2 Buffer Block 5.13.3 ESD Clamp 5.13.4 AND Gate 5.13.5 AND Gate 5.13.6 Mixer 5.13.6.1 RC Network 5.13.6.2 RC Network 5.13.6.3 Buffer Block 5.13.6.4 Programmable NMOS 5.13.6.5 Switch Block 5.13.6.6 Programmable NMOS 5.13.6.7 Switch Block 5.13.6.8 Buffer Block 5.13.6.9 Control Circuit 5.13.6.10 Programmable Filter 5.13.6.11 Programmable NMOS 5.13.6.12 Buffer 5.13.6.13 Unused Circuit 5.13.6.14 Programmable Current Sink 5.13.6.15 Programmable Capacitor 5.13.6.16 Programmable Resistor 5.13.6.17 Unused Circuit 5.13.6.18 Source Follower 5.13.6.19 Control Circuit 5.13.6.20 Programmable Resistor 5.13.7 Multiplexer 5.13.8 Programmable Current Source 5.13.8.1 Programmable Current Source 5.13.8.2 CURRENT_SOURCE_7S2 5.13.8.3 CURRENT_SOURCE_7S3 5.13.8.4 Unused Devices 5.13.8.5 Buffer 5.13.8.6 CURRENT_SOURCE_7 5.13.9 Programmable Switch

Page 19: Qualcomm - TechInsights . WTR1605L . LTE/HSPA+/CDMA2K/TDSCDMA/EDGE/ GPS RF Transceiver . Circuit Analysis . 1891 Robertson Road, Suite 500, Ottawa, ON K2H 5B7 Canada Tel:

Qualcomm WTR1605L RF Transceiver

5.13.10 Bias Generator 5.13.10.1 Programmable Voltage Divider 5.13.10.2 Decoder 5.13.11 Bias Generator Block 5.13.11.1 Unused Circuit 5.13.11.2 Driver 5.13.11.3 Multiplexer 5.13.11.4 Bias Generator 5.13.11.5 Programmable Voltage Divider 5.13.11.6 Decoder 5.13.11.7 Decoder 5.13.12 Bias Generator 5.14.0 Bias Generator 5.14.1 Programmable Current Source 5.14.2 Programmable Current Source 5.14.3 Bias Control Circuit 5.14.4 Unused Circuit 5.14.5 Programmable Current Sink 5.14.5.1 Bias Control Circuit 5.14.5.2 Decoder 5.14.6 Unused Circuit 5.14.7 Bias Current Generator 5.14.7.1 Programmable Current Sink 5.14.8 Programmable Voltage Regulator 5.14.8.1 Amplifier 5.14.8.2 Programmable Resistor 5.14.8.3 Bias Control Circuit 5.14.8.4 Programmable Resistor 5.14.9 Programmable Bias Current Generator 5.14.9.1 Programmable Current Sink 5.14.10 Programmable Current Current Sink 6.0.0.0 Primary Local Oscillator 6.1.0 PLL 6.1.1 PFD 6.1.1.1 MUX 6.1.1.2 S_TRIBUF23_15_7 6.1.1.3 S_MX21_6_4S1 6.1.1.4 Decoder 6.1.2 Charge Pump

Page 20: Qualcomm - TechInsights . WTR1605L . LTE/HSPA+/CDMA2K/TDSCDMA/EDGE/ GPS RF Transceiver . Circuit Analysis . 1891 Robertson Road, Suite 500, Ottawa, ON K2H 5B7 Canada Tel:

Qualcomm WTR1605L RF Transceiver

6.1.2.1 Control 1 6.1.2.2 S_NAND2F_E21X8_E21X8 6.1.2.3 S_NOR2F_E21X2_E21X2 6.1.2.4 S_NAND2F_E21X4_E21X4 6.1.2.5 S_NAND2F_E21X2_E21X2 6.1.2.6 S_NOR2F_E21X4_E21X4 6.1.2.7 UNUSED_10 6.1.2.8 S_NOR2F_E21X8_E21X8 6.1.2.9 Amplifier 6.1.2.10 BIAS_12 6.1.2.11 Control 2 6.1.2.12 UNUSED_8 6.1.3 LPF 6.1.3.1 Variable CAPs 6.1.4 VCO 1 6.1.4.1 MOS Varactor Bank 6.1.4.2 MOS Varactor Bank 6.1.4.3 Programmable Capacitor 6.1.4.4 Switched Capacitor 6.1.4.5 Switched Capacitor 6.1.4.6 Switched Capacitor 6.1.4.7 Clock Driver 1 6.1.4.8 Clock Driver 2 6.1.4.9 Programmable Capacitor 6.1.4.10 Switched Capacitor 6.1.4.11 Switched Capacitor 6.1.4.12 Switched Capacitor 6.1.4.13 Switched Capacitor 6.1.4.14 Driver 6.1.4.15 Unused 6.1.4.16 Switched Capacitor 6.1.4.17 Control Logic 6.1.5 VCO 2 6.1.5.1 MOS Varactor Bank 6.1.5.2 MOS Varactor Bank 6.1.5.3 Clock Driver 6.1.5.4 Clock Signal Path 6.1.5.5 Signal Path 1 6.1.5.6 Signal Path 2 6.1.5.7 Signal Path 3

Page 21: Qualcomm - TechInsights . WTR1605L . LTE/HSPA+/CDMA2K/TDSCDMA/EDGE/ GPS RF Transceiver . Circuit Analysis . 1891 Robertson Road, Suite 500, Ottawa, ON K2H 5B7 Canada Tel:

Qualcomm WTR1605L RF Transceiver

6.1.5.8 Signal Path 4 6.1.5.9 Unused 6.1.5.10 Signal Path 5 6.1.5.11 Clock Driver 6.1.5.12 Control Logic 6.1.6 Clock Divider 6.1.6.1 Clock Selector 6.1.6.2 Clock Circuit 1 6.1.6.3 Clock Circuit 2 6.1.6.4 Clock Circuit 3 6.1.6.5 Unused 6.1.6.6 Clock Circuit 4 6.1.6.7 Clock Divider 6.1.7 Clock Divider 2 6.1.7.1 Clock Divider 1 6.1.7.2 S_DFCS_6_4S1 6.1.7.3 Delay Circuit 6.1.7.4 Clock Selector 6.1.7.5 Unused 6.1.7.6 UNUSED_11 6.1.7.7 UNUSED_4 6.1.7.8 Control Buffers 6.1.7.9 Voltage Signal 6.1.7.10 Clock Buffers 6.1.7.11 Clock Divider 2 6.1.8 Clock Driver Circuit 6.1.8.1 Clock Driver 6.1.8.2 Clock Driver 6.1.8.3 Voltage Bias 6.1.8.4 Logic 6.1.8.5 Pull-Up CS 6.1.8.6 Clock Driver 6.1.8.7 Voltage Bias 6.1.8.8 Logic 6.1.8.9 Pull-Up CS 6.1.8.10 Clock Driver 6.1.8.11 Clock Driver 6.1.8.12 Clock Driver 6.1.8.13 Clock Driver 6.1.8.14 Clock Driver

Page 22: Qualcomm - TechInsights . WTR1605L . LTE/HSPA+/CDMA2K/TDSCDMA/EDGE/ GPS RF Transceiver . Circuit Analysis . 1891 Robertson Road, Suite 500, Ottawa, ON K2H 5B7 Canada Tel:

Qualcomm WTR1605L RF Transceiver

6.1.8.15 Voltage Bias 6.1.8.16 Logic 6.1.8.17 Pull-Up CS 6.1.8.18 Clock Driver 6.1.8.19 Control Logic 6.1.8.20 Power Supply Selector 6.1.8.21 Power Supply Selector 6.1.8.22 Clock Driver 6.1.9 Buffer Circuit 6.1.10 Variable RES 6.1.11 ESD 6.1.12 Buffer Circuit 6.1.13 Control Buffers 1 6.1.14 Variable CAPs 6.1.15 Buffer Circuit 6.1.16 Control Buffers 2 6.1.17 Pulse Generator 6.1.18 Buffer Circuit 6.1.19 Buffer Circuit 6.1.20 Power Management Unit 6.1.20.1 Resistor Divider 6.1.20.2 DEC_3B_6 6.1.20.3 ESD 6.1.20.4 ESD 6.1.20.5 Reference Generator 6.1.20.6 Voltage Divider 6.1.20.7 DEC_3B_8 6.1.20.8 PMOS_S8X2_1 6.1.20.9 Voltage Divider 6.1.20.10 PMOS_S4X6_1 6.1.20.11 PMOS_S4X4_1 6.1.20.12 Pull-Up Supply Signal 6.1.20.13 Current Source 6.1.20.14 Switch Circuit 6.1.20.15 Current Source Sink 6.1.20.16 Voltage Bias Generator 6.1.20.17 Voltage Generator 6.1.20.18 ADJ_RES_7 6.1.20.19 AMP_7 6.1.20.20 Voltage Generator

Page 23: Qualcomm - TechInsights . WTR1605L . LTE/HSPA+/CDMA2K/TDSCDMA/EDGE/ GPS RF Transceiver . Circuit Analysis . 1891 Robertson Road, Suite 500, Ottawa, ON K2H 5B7 Canada Tel:

Qualcomm WTR1605L RF Transceiver

6.1.20.21 AMP_7S1 6.1.20.22 DEC_3B_7 6.1.20.23 ADJ_RES_8 6.1.20.24 Bias Generator 6.1.20.25 Variable CAPs 6.1.20.26 Voltage Signal 6.1.20.27 Resistor Divider 6.1.20.28 DEC_2B_1 6.1.20.29 Voltage Bias 6.1.20.30 Control Logic 6.1.20.31 Amplifier 6.1.20.32 S_TRIGATE_16L2P5X2_16L2P5 6.1.20.33 Current Sources 6.1.20.34 Switch 6.1.20.35 Current Source 6.1.20.36 Switches 6.1.20.37 Programmable Current Source 6.1.20.38 Programmable Filter 6.1.20.39 Current Sources 6.1.20.40 Buffer Amplifier 6.1.20.41 Amplifier 6.1.20.42 Decoder 6.1.20.43 Control Buffers 6.1.20.44 Signal Path 6.1.20.45 Supply Signal 6.1.20.46 Voltage Reference Generator 6.1.20.47 RES_DIV_4S2 6.1.20.48 DEC_3B_4 6.1.20.49 DEC_3B_5 6.1.20.50 DEC_3B_3 6.1.20.51 Current Sources 6.1.20.52 Unused 6.1.20.53 Current Source 1 6.1.20.54 Current Source 2 6.1.20.55 Current Source 3 6.1.20.56 Signal Paths 6.1.20.57 UNUSED_17 6.1.20.58 Current Sink 6.1.20.59 Switches 6.1.20.60 Power Management Unit

Page 24: Qualcomm - TechInsights . WTR1605L . LTE/HSPA+/CDMA2K/TDSCDMA/EDGE/ GPS RF Transceiver . Circuit Analysis . 1891 Robertson Road, Suite 500, Ottawa, ON K2H 5B7 Canada Tel:

Qualcomm WTR1605L RF Transceiver

6.1.20.61 Resistor Divider 6.1.20.62 Voltage Reference Generator 6.1.20.63 Amplifier 6.1.20.64 Decoder 6.1.20.65 S_MX21_102L3_52L3 6.1.20.66 Voltage Reference Generator 6.1.20.67 Resistor Divider 6.1.20.68 S_MX21_102L3_52L3S1 6.1.20.69 Voltage Reference Generator 6.1.20.70 Filter 6.1.20.71 Control Logic 6.1.20.72 Voltage Generator 6.1.20.73 Resistor Divider 6.1.21 Buffer Circuit 6.1.22 Buffer Circuit 6.1.23 ESD 6.1.24 Variable CAPs 6.1.25 S_TRIGATE_51_26D16 6.1.26 S_TRIGATE_51_26D16S1 6.1.27 Logic Circuit 1 6.2.0 Programmable Voltage Divider 7.0.0.0 PLL and Clock Generator 7.1.0 ESD Protection V 7.1.1 INV_218L3X2_218L3X16 7.1.2 INV_218L3X16_218L3X2 7.1.3 INV_218L3X10_218L3X2 7.2.0 ESD Protection III 7.2.1 INVSER_218L3X16_218L3X2 7.3.0 ESD Protection IV 7.3.1 INVSER_218X16_218X2 7.4.0 Variable Resistance 7.5.0 Control Logic 7.6.0 Bias Current Generator 7.7.0 PLL and Voltage Generator 7.7.1 PFD 7.7.1.1 DC38_4_3 7.7.2 Current Source Sink 7.7.3 Current Source 7.7.4 Current Source

Page 25: Qualcomm - TechInsights . WTR1605L . LTE/HSPA+/CDMA2K/TDSCDMA/EDGE/ GPS RF Transceiver . Circuit Analysis . 1891 Robertson Road, Suite 500, Ottawa, ON K2H 5B7 Canada Tel:

Qualcomm WTR1605L RF Transceiver

7.7.5 Current Source Sink 7.7.6 Current Sources 7.7.7 Clock Driver 7.7.7.1 FREQ_DIV_17B 7.7.8 AND2F_7X20_E5 7.7.9 Pulse Generator 7.7.10 UNUSED_4 7.7.11 UNUSED_2 7.7.12 UNUSED_5 7.7.13 UNUSED_1 7.7.14 Voltage Reference Generator 7.7.14.1 PMOS4S4 7.7.14.2 DE38_11L3X2_9L3 7.7.14.3 RES_ADJ_16 7.7.14.4 DE38_11L3X2_9L3S1 7.7.14.5 RES_ADJ_17 7.7.14.6 PMOS4S8 7.7.15 Clock Buffer 7.7.16 Clock Buffer 7.7.17 Clock Buffer 7.7.18 RES_ADJ_7 7.7.19 VCO 2 7.7.19.1 Programmable Varactor Bank 7.7.19.2 MX21F_51L5X10_51L5X5 7.7.19.3 MX21_51L5X20_51L5X10 7.7.19.4 MX21F_51L5X20_51L5X10 7.7.19.5 Programmable Capacitor Bank 7.7.20 VCO 1 7.7.20.1 Programmable Capacitor Bank 7.7.20.2 INV_21L3_11L3D8 7.7.20.3 INV_21L3_11L3D4 7.7.20.4 Varactor Banks 7.7.21 Control Logic B 7.7.22 Frequency Divider 7.7.22.1 INVF_E21_11 7.7.22.2 INVF_21X2_E21L3 7.7.22.3 NOR2F_E21_E21S1 7.7.22.4 NOR2F_E23_E23 7.7.22.5 INV_21_10D2 7.7.22.6 INV_21_11D3

Page 26: Qualcomm - TechInsights . WTR1605L . LTE/HSPA+/CDMA2K/TDSCDMA/EDGE/ GPS RF Transceiver . Circuit Analysis . 1891 Robertson Road, Suite 500, Ottawa, ON K2H 5B7 Canada Tel:

Qualcomm WTR1605L RF Transceiver

7.7.22.7 INV_21X3_11X4 7.7.22.8 INV_23_11 7.7.22.9 INVF_23_23 7.7.22.10 INVF_E33_11 7.7.22.11 AND2F_E31_21 7.7.22.12 INVF_E31_21X2 7.7.22.13 INVF_31_21D2 7.7.22.14 INVF_31_21D2S1 7.7.22.15 DFN_6_4 7.7.22.16 MX21B2F_6_5 7.7.22.17 DFN_6_4S1 7.7.22.18 DTS_6_4 7.7.22.19 DFN_6_4S2 7.7.22.20 BUFSERF_6_4D3 7.7.22.21 DFS_13X10_13X5 7.7.22.22 NOR2F_21X3_11 7.7.22.23 NOR2F_21X3_E11L3 7.7.22.24 NOR2F_21X3_E13 7.7.22.25 NOR2F_E21_11 7.7.22.26 NOR2F_E21_E21 7.7.22.27 INVF_21X3_E11 7.7.22.28 INVF_11X3_11X2 7.7.22.29 INVF_21X2_21 7.7.23 Voltage Generator 7.7.23.1 RES_ADJ_10 7.7.23.2 AMP_8 7.7.24 Control Buffers 7.7.25 Voltage Signal 7.7.26 Voltage Reference Generator 7.7.26.1 AMP_4 7.7.26.2 TRIGATE_16L3X2_16L3 7.7.26.3 MX21F_16L3X2_16L3 7.7.26.4 VS_INV_41L3X5_26L3X2S1 7.7.26.5 MX21F 7.7.26.6 INV_101L3X4_6L50 7.7.26.7 RES_ADJ_12 7.7.26.8 DC38_4_3S1 7.7.27 Voltage Generator 7.7.27.1 Programmable Resistor 7.7.27.2 Amplifier

Page 27: Qualcomm - TechInsights . WTR1605L . LTE/HSPA+/CDMA2K/TDSCDMA/EDGE/ GPS RF Transceiver . Circuit Analysis . 1891 Robertson Road, Suite 500, Ottawa, ON K2H 5B7 Canada Tel:

Qualcomm WTR1605L RF Transceiver

7.7.27.3 Resistor Divider 7.7.27.4 Pass Gate 7.7.27.5 Decoder 7.7.28 Voltage Generator 7.7.28.1 DECODER16 7.7.28.2 AMP_3 7.7.28.3 MUX16_1 7.7.28.4 RES_DIV_0 7.7.29 Voltage Generator 7.7.29.1 RES_ADJ_18 7.7.29.2 AMP_2 7.7.29.3 CAP 7.7.29.4 RES_ADJ_6 7.7.30 Loop Filter 7.7.30.1 CAP_ADJ_4 7.7.30.2 CAP_ADJ_5 7.7.30.3 CAP_ADJ_6 7.7.31 Voltage Generator 7.7.31.1 RES_ADJ_4 7.7.32 TRIGATE_76L3X6_76L3X3S1 7.7.33 Loop Filter 7.7.33.1 DC38_11L3_8L3D2 7.7.33.2 SWITCH_1 7.7.33.3 RES_ADJ_3 7.7.34 Reference Generator 7.7.34.1 RES_ADJ_5 7.7.34.2 MX21F_51L3X16_26L3X8 7.7.34.3 DC24_11L3_8L3D2 7.7.35 Signal Path 7.7.36 Control Logic A 7.7.37 Charge Pump and Loop Filter 7.7.37.1 Voltage Reference Generator 7.7.37.2 MX21B1_E21L3_E21L3S1 7.7.37.3 MX21B1_E21L3_E21L3S2 7.7.37.4 MX21B1_E21L3_E21L3S3 7.7.37.5 MX21B1_E21L3_E21L3S4 7.7.37.6 MX21B1_E21L3_E21L3S5 7.7.37.7 MX21B1_E21L3_E21L3S6 7.7.37.8 MX21B1_E21L3_E21L3 7.7.37.9 Current Bias

Page 28: Qualcomm - TechInsights . WTR1605L . LTE/HSPA+/CDMA2K/TDSCDMA/EDGE/ GPS RF Transceiver . Circuit Analysis . 1891 Robertson Road, Suite 500, Ottawa, ON K2H 5B7 Canada Tel:

Qualcomm WTR1605L RF Transceiver

7.7.37.10 Programmable Resistor 7.7.37.11 TRIGATE_76L3X6_76L3X3 7.7.37.12 TRIGATEF_51L3_26L3D4 7.7.37.13 Resistor Divider 7.7.37.14 TRIGATE_101L3_101L3D20 7.7.37.15 TRIGATE_202L3_202L3D20 7.7.37.16 Unused 7.7.37.17 Amplifier 7.7.38 RES_ADJ_20 7.8.0 ESD Protection 7.9.0 ESD Protection I 7.10.0 ESD Protection II 7.11.0 I/O Circuit 7.12.0 Power Generator II 7.12.1 Variable Resistance 7.12.2 VS_INVF_21L3X2_21L3 7.12.3 Opamp 7.13.0 I/O Circuit 1 7.14.0 I/O Circuit 2 7.15.0 I/O Circuit 3 7.16.0 Buffer with Control 7.17.0 MUX 2-1(2B) 7.17.1 MX21F_152L3X6_152L3X3 7.18.0 DAC Block 7.18.1 Opamp 7.18.2 DAC 7.18.2.1 Decoder 7.18.2.2 Decoder32 7.18.2.3 MUX1028 7.18.2.4 MX41_2_2 7.18.2.5 MUX32 7.18.2.6 MUX16_0 7.18.2.7 Resistor Ladder 7.18.3 Unused 7.18.4 Voltage Reference Generator 7.18.4.1 Variable Resistance 7.18.4.2 TRIGATE_41L3X10_41L3X5 7.18.4.3 Opamp 7.18.5 Voltage Reference Generator 7.18.5.1 Variable Resistance

Page 29: Qualcomm - TechInsights . WTR1605L . LTE/HSPA+/CDMA2K/TDSCDMA/EDGE/ GPS RF Transceiver . Circuit Analysis . 1891 Robertson Road, Suite 500, Ottawa, ON K2H 5B7 Canada Tel:

Qualcomm WTR1605L RF Transceiver

7.18.6 Bias Current Generator II 7.18.7 Bias Current Generator I 7.19.0 Delay Locked Loop (DLL) 7.19.1 Voltage Level Control 7.19.1.1 DFC_21X6_21X3 7.19.2 Programmable Serial Buffers (Delay) 7.19.3 Current Bias 7.19.4 Current Bias 7.19.5 Current Bias 7.19.6 Programmable Serial Buffers (Delay) 7.19.7 Programmable Serial Buffers (Delay) 7.19.8 Programmable Serial Buffers (Delay) 7.19.9 Programmable Serial Buffers (Delay) 7.19.10 Programmable Serial Buffers (Delay) 7.19.11 XOR2_21X6_21X3 7.19.12 Control Logic 7.19.12.1 FREQ_DIV_7B 7.19.12.2 FREQ_DIV_5B 7.19.12.3 REGSI_4B 7.19.12.4 FREQ_DIV_4B 7.19.12.5 REGSI_3B 7.19.12.6 FREQ_DIV_9B 7.19.13 Buffer 7.19.14 DLL Core 7.19.14.1 DTS_21X6_21X3 7.19.14.2 DFC0_21X6_21X3 7.19.14.3 DFS_21X6_21X3 7.19.14.4 DLL Delay Chain 7.19.14.5 UNUSED_3 7.19.14.6 XOR2_21_10D10 7.19.15 Clock Driver 7.19.15.1 Clock Buffer 7.19.15.2 Programmable Buffer 7.19.15.3 Clock Buffers 7.19.15.4 INV_21_21D24 7.19.15.5 MX21B1_E41L3_E41L3 7.19.15.6 Power Filter 7.19.15.7 ESD 7.19.15.8 ESD 7.19.16 Clock Pulse Generator

Page 30: Qualcomm - TechInsights . WTR1605L . LTE/HSPA+/CDMA2K/TDSCDMA/EDGE/ GPS RF Transceiver . Circuit Analysis . 1891 Robertson Road, Suite 500, Ottawa, ON K2H 5B7 Canada Tel:

Qualcomm WTR1605L RF Transceiver

7.19.16.1 Shift Register 7.19.16.2 MX41B_26_13D4 7.19.16.3 TRINOT14_26_13D4 7.19.16.4 MX41B_26_13D4S1 7.19.16.5 Divider 7.19.17 Clock Pulse Generator 7.19.17.1 MX41B_26_13D4S2 7.19.17.2 Divider 7.19.18 Clock Pulse Generator 7.20.0 Power Generator I 7.20.1 VS_INV_41L3X5_26L3X2 7.20.2 Variable Resistance 7.20.3 Opamp 7.21.0 Digital Clock Phase Generation 7.21.1 Serial Buffers 7.21.2 Serial Buffers 7.21.3 EPGEN_AND22_0 7.21.3.1 Serial Buffers 7.21.3.2 Serial Buffers 7.21.3.3 Serial Buffers 7.21.3.4 Serial Buffers 7.21.3.5 Serial Buffers 7.21.3.6 Decoder 2:8 7.21.3.7 Serial Buffers 7.21.4 EPGEN_AND22_1 7.21.5 Clock Delays 7.21.6 Buffers 7.21.7 Digital Logic III 7.21.7.1 BUF2SERF_ADJ_3 7.21.8 Latching Comparators 7.21.9 Programmable Buffers (Delay) 7.21.9.1 Serial Buffers 7.21.9.2 Serial Buffers 7.21.9.3 Decoder 2:8 7.21.9.4 Serial Buffers 7.21.10 Switch 7.21.11 Digital Logic IV 7.21.11.1 INV2_7X8_4X9 7.21.11.2 BUF_19_9D96 7.21.11.3 INV2_8_4D8

Page 31: Qualcomm - TechInsights . WTR1605L . LTE/HSPA+/CDMA2K/TDSCDMA/EDGE/ GPS RF Transceiver . Circuit Analysis . 1891 Robertson Road, Suite 500, Ottawa, ON K2H 5B7 Canada Tel:

Qualcomm WTR1605L RF Transceiver

7.21.11.4 MX21_11_6D12 7.21.12 Phase Detector 7.21.13 Frequency Divider (6B) 7.21.13.1 LAN_9_4D6 7.21.13.2 Programmable Buffers (Delay) 7.21.13.3 Serial Buffers 7.21.13.4 Decoder 2:8 7.21.13.5 Serial Buffers 7.21.14 UNUSED_7 8.0.0.0 Bonding Pads, Current Sources, Fuse Banks 8.1.0 Pads ESD Protection 8.1.1 ESD Clamp 8.1.2 ESD Protection 8.2.0 Buffers 8.3.0 Buffers 8.4.0 Reference Current Sources 8.4.1 PTAT Currents 8.4.1.1 Opamp 8.4.2 Control Logic (Select) I 8.4.3 Bias Generator for Bandgap 8.4.4 Control Logic (Select) II 8.4.5 CTAT Current Sources 8.4.5.1 Opamp 8.4.6 PTAT Currents 8.4.6.1 Variable Resistance 8.4.6.2 Opamp 8.4.6.3 Bias Generator 8.4.7 Programmable TC Currents 8.4.7.1 Opamp 8.4.7.2 Variable Resistance 2X 8.4.8 Unused 8.4.9 CTAT Current Source 8.5.0 Fuse Block 8.5.1 FUSEBLK1 8.5.1.1 FUSECELL_16B 8.5.1.2 FUSECELL 8.5.1.3 STATE1 8.5.2 Tri-State Driver

Page 32: Qualcomm - TechInsights . WTR1605L . LTE/HSPA+/CDMA2K/TDSCDMA/EDGE/ GPS RF Transceiver . Circuit Analysis . 1891 Robertson Road, Suite 500, Ottawa, ON K2H 5B7 Canada Tel:

Qualcomm WTR1605L RF Transceiver

9.0.0.0 Test Circuit 9.1.0 Signal Translator 9.1.1 Reference Generator 9.1.1.1 Inverter 9.1.2 Bias Current Generator 9.1.3 Current Comparator 9.1.4 Programmable Sampler 9.1.4.1 Buffer 9.1.4.2 Decoder 9.1.5 Test Circuit 9.1.5.1 Decoder 9.1.5.2 Buffer 9.1.5.3 Buffer 9.1.5.4 Amplifier 9.1.6 Control Circuit 9.1.8 Comparator 9.1.8.1 Switch 9.2.0 Amplifier 9.3.0 Control Circuit 9.4.0 Multiplexer 9.5.0 Frequency Divider 9.6.0 Amplifier (Unused) 9.7.0 Clock Select Circuit 9.7.1 Oscillator 9.7.2 Oscillator 9.7.3 Oscillator 9.7.3.1 NMOS Inverter Cell 9.7.4 Oscillator Control Circuit 9.7.4.1 Decoder 9.7.5 Oscillator 9.7.5.1 INV_CELL 10.0.0.0 PADs and ESD 10.1.0 ESD Clamp 11.0.0.0 PADs and ESD

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Page 33: Qualcomm - TechInsights . WTR1605L . LTE/HSPA+/CDMA2K/TDSCDMA/EDGE/ GPS RF Transceiver . Circuit Analysis . 1891 Robertson Road, Suite 500, Ottawa, ON K2H 5B7 Canada Tel:

Qualcomm WTR1605L RF Transceiver

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