Design Guidelines/Training Slides QFE3320 Low/Mid-Band Tx Front-end 80-NJ121-5 Rev. E Confidential and Proprietary –Qualcomm Technologies, Inc. Restricted Distribution: Not to be distributed to anyone who is not an employee of either Qualcomm or its subsidiaries without the express approval of Qualcomm’s Configuration Management. Confidential and Proprietary –Qualcomm Technologies, Inc. NO PUBLIC DISCLOSURE PERMITTED: Please report postings of this document on public servers or websites to: [email protected]. Restricted Distribution: Not to be distributed to anyone who is not an employee of either Qualcomm or its subsidiaries without the express approval ofQualcomm’s Configuration Management. Not to be used, copied, reproduced, or modified in whole or in part, nor its contents revealed in any manner to others without the express written permission of Qualcomm Technologies, Inc. Qualcomm is a trademark of QUALCOMM Incorporated, registered in the United States and other countries. Qualcomm RF360 is a trademark of QUALCOMM Incorporated. All QUALCOMM Incorporated trademarks are used with permission. Other product and brand names may be trademarks or registered trademarks of their respective owners. This technical data may be subject to U.S. and international export, re-export, or transfer (“export”) laws. Diversion contrary to U.S. and international law is strictly prohibited. Qualcomm Technologies, Inc. 5775 Morehouse Drive San Diego, CA 92121 U.S.A. © 2014 Qualcomm Technologies, Inc. Confidential and Proprietary –Qualcomm Technologies, Inc. | MAY CONTAIN U.S. AND INTERNATIONAL EXPORT CONTROLLED INFORMATION | 80-NJ121-5 Rev. E 2 Revision History (1 of 3) Revision Date Description A March 2014 Initial release B June 2014 Slides 8, 12, 14, 15, 16, 25, 26, 27, 35, and 74: Updated QFE3320 schematic by removing LPF at MB and replacing notch filter with LPF Slide 9: Added column to table for WTR4905 and row for MSM8916 Slide 17: Updated QFE3320 capability for Filtering Slide 20: Updated package from 135 pin to 134 pin Slide 22: Added document 80-NL713-43 to table Slide 28: Added new slide for Example Reference Design 2 Slides 31 and 32: Added column for Dime 80-NL713-43 Slide 46: Changed 2 nH to 68 nH Slide 53: Changed 111 to 110 and 125 to 124 on package Slide 57: Changed pins 93 to 92, 91 to 90, 101 to 100, 131 to 130 and 112 to 111 Slides 58, 64, 68, and 69: Updated plots Slide 67: Updated pin numbers Slide 78: Changed pins 133 to 132, 127 to 126, 108 to 107, 128 to 127, 96 to 95 and 116 to 115 Slides 82 and 83: Added Section 4.2 Dime Using WTR4905 C August 2014 Slide 64: Updated image and added notes Slide 65: Updated title for Section 3.5 Slide 68: Updated image and added note on the top layer Slide 69: Updated image Confidential and Proprietary –Qualcomm Technologies, Inc. | MAY CONTAIN U.S. AND INTERNATIONAL EXPORT CONTROLLED INFORMATION | 80-NJ121-5 Rev. E 3 Revision History (2 of 3) Revision Date Description D September 2014 Slide 7: Removed repeated reference to QFE3320 Slides 8–16: Added QFE3320-0 (ET) vs. QFE3320-1 (ET, APT + DPD) slides Slide 19: Added MDM9x45 to the support matrix Slide 20: Added the MDM9x45 and MSM8916 reference design schematics Slide 24: Updated the ASM port assigned for HB Slide 26: Corrected TDS to TD-SCDMA Slide 30: Changed to QFE3320-0 package Slide 31: Changed to QFE3320-1 package Slide 33: Added 80-NP505-41, 80-NK807-42, and 80-NR113-42 to the list of references Slide 39: Added note regarding shunt L to example diagram Slide 42: Added regional 3DL CA port assignments (low-band) Slide 43: Added regional 3DL CA port assignments (mid-band) Slide 44: Updated Section 3 title from General Design Guidelines to QFE3320 ET General Design Guidelines Slide 68: Updated part name Slides 69 and 70: Updated VPA power rail line Slide 75: Updated the ground groupings diagram Slide 77: Corrected the recommended distance to 285 µm Slides 78–81: Changed to QFE3320-0 Slides 82–85: Added QFE3320-1 Slide 86: Added Section 4 QFE3320 EPT General Design Guidelines Slides 90 and 91: Updated the VPA power rail line Slide 93: Updated the VPA power rail line Slide 95: Added a note and a callout about pin 89 Confidential and Proprietary –Qualcomm Technologies, Inc. | MAY CONTAIN U.S. AND INTERNATIONAL EXPORT CONTROLLED INFORMATION | 80-NJ121-5 Rev. E 4 Revision History (3 of 3) Revision Date Description E October 2014 Slide 11: Clarified QFE3320 variants and removed pin 89 from QFE3320-1 Slide 14: Updated the slide title Slide 15: Updated the slide title, pin 89, and pin 101 Slide 25: Added notes regarding LC matching for MB_ANT port Slides 26‒27 and 38‒40: Added LC to block diagram Slides 45 and 87: Clarified QFE3320 variants Slide 69: Updated the QFE3320 VDD line Slides 70 and 71: Updated the VPA power rail line Slide 87: Updated section title to specific QFE3320-1 Slide 100 and 106: Updated the LC matching for ANT_MB Slide 109: Updated the dime using WTR4905 design example Confidential and Proprietary –Qualcomm Technologies, Inc. | MAY CONTAIN U.S. AND INTERNATIONAL EXPORT CONTROLLED INFORMATION | 80-NJ121-5 Rev. E 5 Contents 1 Introduction 7 1.1 QFE3320-0 (ET) vs. QFE3320-1 (ET, APT + DPD) 9 1.2 Qualcomm Technologies, Inc. (QTI) Front-end with QFE3320 18 1.3 QFE3320 – LB and MB Tx Front-end Device 22 1.4 QTI Support for the QFE3320 33 2 System-level QFE3320 Topics 35 2.1 Example Applications 36 2.2 Software-Defined RF Port Assignments 41 3 QFE3320-0 ET General Design Guidelines 45 3.1 RF Guidelines 46 3.2 Support Circuits 57 3.3 DC Power 66 3.4 Ground Connections 74 3.5 PCB Keep-out Areas (PCB KOAs) 77 4 QFE3320-1 EPT General Design Guidelines 87 4.1 Support Circuits 88 4.2 DC Power 90 4.3 Ground Connections 95 5 Specific Design Guidelines 97 5.1 Regional 2DL CA Using WTR3925 99 5.2 Dime Using WTR4905 108 Confidential and Proprietary –Qualcomm Technologies, Inc. | MAY CONTAIN U.S. AND INTERNATIONAL EXPORT CONTROLLED INFORMATION | 80-NJ121-5 Rev. E 6 Section 1 1.1 QFE3320-0 (ET) vs. QFE3320-1 (ET, APT + DPD) 9 1.2 Qualcomm Technologies, Inc. (QTI) Front- end with QFE3320 18 Introduction 1.3 QFE3320 – LB and MB Tx Front-end Device 22 1.4 QTI Support for the QFE3320 33 Confidential and Proprietary –Qualcomm Technologies, Inc. | MAY CONTAIN U.S. AND INTERNATIONAL EXPORT CONTROLLED INFORMATION | 80-NJ121-5 Rev. E 7 QFE3320 PA Power Management IC The QFE3320 PA power management IC is a key component within the Qualcomm RF360™ front-end solution. Qualcomm RF360 is a multimode, multiband front-end that includes power amplifier, PA power tracking, antenna switch, and antenna tuner ICs – the first truly global RF solution for LTE products. Sec. 1 Confidential and Proprietary –Qualcomm Technologies, Inc. | MAY CONTAIN U.S. AND INTERNATIONAL EXPORT CONTROLLED INFORMATION | 80-NJ121-5 Rev. E 8 Section 1.1 QFE3320-0 (ET) vs. QFE3320-1 (ET, APT + DPD) Confidential and Proprietary –Qualcomm Technologies, Inc. | MAY CONTAIN U.S. AND INTERNATIONAL EXPORT CONTROLLED INFORMATION | 80-NJ121-5 Rev. E 9 Overview The 134 WLNSP QFE3320-0 device (with RR code=04) is a multimode, multiband power amplifier with  integrated low-band and mid-band antenna switches. It supports the following ET in high power mode (HPM) for FDD systems  APT in other power mode  The 133 WLNSP QFE3320-1 device (with RR code=00) is the same silicon but it can support the following  ET in high power mode (HPM) for FDD systems  APT + DPD in high power mode (HPM) for FDD systems  APT in other power mode  The only thing different between 134 WLNSP QFE3320-0 and 133 WLNSP QFE3320-1 is that one ground  pin (89) was removed from 134 WLNSP QFE3320 package Sec. 1.1 Confidential and Proprietary –Qualcomm Technologies, Inc. | MAY CONTAIN U.S. AND INTERNATIONAL EXPORT CONTROLLED INFORMATION | 80-NJ121-5 Rev. E 10