Qualcomm QFE2320 RF Power Amplifier with Antenna Switch 1891 Robertson Road, Suite 500, Ottawa, ON K2H 5B7 Canada Tel: 613-829-0414 chipworks.com
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Overview Introduction Brief Design Overview Component Descriptions Device Summary References 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 Architecture Schematics 1.0.0 Top Level Diagram 2.0.0 RF Path 1 2.1.0 Power Amplifier 1 Input Stage 2.2.0 Power Amplifier 1 Variable Gain Output Stage 2.2.1 Power Amplifier 1 Unit Output Stage 2.3.0 Power Amplifier 2 2.4.0 Power Amplifier 3 Input Stage 2.5.0 Power Amplifier 3 Variable Gain Output Stage 2.6.0 2-to-3 Output Demultiplexer 2.6.1 RF Switch 2.6.2 RF Switch 2.6.3 RF Switch 2.6.4 RF Switch 2.7.0 1-to-7 Output Demultiplexer 2.7.1 RF Switch
2.7.2 RF Switch 2.7.3 RF Switch 2.7.4 RF Switch 2.7.5 RF Switch 2.7.6 RF Switch 2.8.0 PA 1 and 2 Input Stage Bias Generator 2.8.1 Variable Capacitor 3xb 2.8.2 Variable Current 3x 2.8.3 Variable Resistor 4xc 2.9.0 PA 1 Output Stage Bias Generator 2.9.1 Variable Resistor 8xd 2.9.2 Variable Capacitor 3xc2 2.9.3 Current Reference Generator 2.10.0 PA 3 Input Stage Bias Generator 2.10.1 Variable Current 3xb 2.10.2 Variable Resistor 4xd 2.11.0 PA 3 Output Stage Bias Generator 2.11.1 Variable Capacitor 3xc 2.11.2 Current Reference Generator 2.13.0 Current Mirror 2.14.0 Current Mirror Pair 2.14.1 Current Control Logic 2.15.0 Current Mirror 2.16.0 ESD Protection 2.17.0 ESD Protection 2.18.0 RF Switch 2.19.0 Variable Capacitor 2.19.1 RF Switch 2.19.2 RF Switch 2.19.3 RF Switch 2.19.4 RF Switch 2.20.0 Variable Capacitor 2.21.0 Variable AC Coupler 2.21.1 RC Filter 2.21.2 Switched AC Coupler 2.22.0 ESD Protection
2.23.0 Variable Capacitor 2.24.0 RC Filter 2.25.0 Resistor Divider Pair 2.26.0 Resistor Divider Pair 2.27.0 Variable Resistor Divider Pair 2.28.0 Resistor Divider 2.29.0 Resistor Divider 2.30.0 Variable Capacitor 2.31.0 Switchable Capacitor 2.31.1 ESD Protection 2.32.0 Variable AC Coupler 2.32.1 Variable Capacitor 2.33.0 RF Switch 2.34.0 RF Switch 2.35.0 ESD Protection 2.36.0 Variable Capacitor 2.37.0 Variable Capacitor 2.38.0 ESD Protection 2.39.0 RC Filter 2.40.0 ESD and Decoupling 2.41.0 PA Test Output 3.0.0 RF Path 2 3.1.0 Input Selector and Filter 3.1.1 ESD Protection 3.1.2 RF Input Switch 3.1.3 RC Filter 3.1.4 Switched Capacitor 3.1.5 Variable Resistor 3x 3.2.0 Power Amplifier 4 Input Stage 3.3.0 Power Amplifier 4 Variable Gain Output Stage 3.3.1 Power Amplifier 4 Unit Output Stage 3.4.0 Power Amplifier 5 3.5.0 1-to-5 Output Demultiplexer 3.5.1 RF Switch 3.5.2 RF Switch
3.5.3 Switch Control 3.6.0 2-to-3 Output Demultiplexer 3.6.1 RF Switch 3.6.2 RF Switch 3.6.3 RF Switch 3.7.0 PA 4 Input Stage Bias Generator 3.7.1 Variable Resistor 3.7.2 Variable Capacitor 3.8.0 PA 5 Bias Generator 3.8.1 Variable Capacitor 3x 3.9.0 PA 4 Output Stage Bias Generator 3.9.1 Bias Voltage DAC for PA4 3.9.2 Bias Voltage Decoupling for PA 4 3.9.3 Variable Resistor 3.10.0 PA Test Output 3.11.0 PA Cascode Bias 3.12.0 Variable Capacitor 3.12.1 RF Switch 3.12.2 RF Switch 3.12.3 RF Switch 3.12.4 RF Switch 3.13.0 ESD and Decoupling 3.14.0 Variable Resistor 3xb 3.15.0 RF Switch 3.16.0 Variable Capacitor 3.16.1 RF Switch 3.16.2 RF Switch 3.16.3 RF Switch 3.16.4 RF Switch 3.17.0 Variable Capacitor 3.17.1 RF Switch 3.17.2 RF Switch 3.18.0 ESD and Decoupling 3.19.0 Variable AC coupler 3.19.1 Switched Capacitor 3.19.2 Switched Capacitor
3.20.0 RF Switch 3.21.0 Unused Envelope Tracker 3.21.1 Unused Voltage Follower 3.22.0 Variable Capacitor 3.23.0 Resistor Divider Pair 3.24.0 Unused RF Switch 3.25.0 ESD Protection 4.0.0 Power and Bias 4.1.0 Voltage Regulator 4.1.1 Voltage Reference Amplifier 4.1.2 Shutdown Control 4.1.3 Variable Resistor 4xb 4.2.0 Bias Generator 4.2.1 Bandgap and PTAT Reference 4.2.2 Amplifier 4.2.3 Variable Resistor 8x 4.2.4 Variable Resistor 4x 4.2.5 Constant-Gm Reference 4.2.6 Variable Resistor 4xb 4.2.7 Current Sources 4.2.8 Bias Enable 4.2.9 Bias Enable 4.2.10 V-to-I Converter 4.2.11 Amplifier 4.2.12 Variable Resistor 8xb 4.2.13 Current Mirror 4.2.14 Current Mirror 4.2.15 Shutdown Logic 4.2.16 Current Sources 4.2.17 Current Mirror 4.2.18 Bias Enable 4.2.19 Current Mirror 4.2.20 V-to-I Converter 4.2.21 Amplifier 4.2.22 Current Mirrors
4.2.23 Current Mirror Pair 4.2.24 Bias Generator 4.3.0 Voltage Pump Subsystem 4.3.1 Ring Oscillator 4.3.2 Input Buffer 4.3.3 Phase Generator 4.3.4 2-to-1 MUX 4.3.5 Voltage Pump 4.3.6 Variable Voltage Source 4.3.7 3-to-8 Decoder 5.0.0 Analog Test 5.1.0 Output Buffer 5.2.0 3-to-8 Decoder 5.3.0 Variable Resistor 2x8x 5.4.0 2-to-4 Decoder 5.5.0 3-to-8 Decoder 5.6.0 Temperature Sensor 5.7.0 Temperature Sensor 6.0.0 Digital Interface 6.1.0 Input Buffer 6.1.1 Schmitt Trigger Buffer 6.1.2 Slew Rate Control 6.2.0 Logic Constants 6.3.0 Latching Comparator 6.3.1 Current Sources 6.3.2 Variable Resistor 8xc 6.3.3 Amplifier 1 6.3.4 Amplifier 2 6.3.5 SR Latch 6.4.0 RCTRIGGER 6.5.0 Digital Area (Not Extracted) 6.6.0 Digital Interface for Power and Bias 6.6.1 3TO8DECC 6.6.2 BGEN Control
6.6.3 ISEL Buffers 6.7.0 Digital Interface for RF Path 1 6.7.1 Level Shifter 6.7.2 Falling Edge Delay 6.7.3 Level Shifter 6.7.4 Falling Edge Delay 6.8.0 Digital Interface for RF Path 2 6.8.1 Level Shifter 6.8.2 Level Shifter 6.8.3 Level Shifter 6.9.0 Unused 6.10.0 Unused 6.10.1 Level Shifter 6.10.2 Unused Power Amplifier Circuit 7.0.0 ESD Protection 8.0.0 ESD Protection 9.0.0 ESD Protection Cell Library About Chipworks
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