® RF360 Europe GmbH A Qualcomm – TDK Joint Venture SAW Components SAW RF filter GPS Series/type: B3521 Ordering code: B39162B3521U410 Date: January 25, 2013 Version: 2.6 RF360 products mentioned within this document are offered by RF360 Europe GmbH and other subsidiaries of RF360 Holdings Singapore Pte. Ltd. (collectively, the “RF360 Subsidiaries”). RF360 Holdings Singapore Pte. Ltd. is a joint venture of Qualcomm Global Trading Pte. Ltd. and EPCOS AG. References in this documentation to EPCOS AG should properly reference, and shall be read to reference, the RF360 Subsidiaries. RF360 Europe GmbH, Anzinger Str. 13, München, Germany © 2016 RF360 Europe GmbH and/or its affiliated companies. All rights reserved.

These materials, including the information contained herein, may be used only for informational purposes by thecustomer. The RF360 Subsidiaries assume no responsibility for errors or omissions in these materials or theinformation contained herein. The RF360 Subsidiaries reserve the right to make changes to the product(s) orinformation contained herein without notice. The materials and information are provided on an AS IS basis, and the RF360 Subsidiaries assume no liability and make no warranty or representation, either expressed or implied, with respect to the materials, or any output or results based on the use, application, or evaluation of suchmaterials, including, without limitation, with respect to the non-infringement of trademarks, patents, copyrights or any other intellectual property rights or other rights of third parties. No use of this documentation or any information contained herein grants any license, whether express, implied, by estoppel or otherwise, to any intellectual property rights, including, without limitation, to any patents owned byQUALCOMM Incorporated or any of its subsidiaries. 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 RF360 Europe GmbH. Qualcomm and Qualcomm RF360 are trademarks of Qualcomm Incorporated, registered in the United States and other countries. RF360 is a trademark of Qualcomm Incorporated. 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.

SAW Components SAW RF filter GPS Series/type: B3521 Ordering code: B39162B3521U410 Date: January 25, 2013 Version: 2.6  EPCOS AG 2015. Reproduction, publication and dissemination of this publication, enclosures hereto and the information contained therein without EPCOS' prior express consent is prohibited. EPCOS AG is a TDK Group Company.

SAW Components B3521 SAW RF filter 1575.42 MHz Data sheet Application n Low-loss RF filter for GPS application n No matching network required for operation at 50 W Features n Package size 3.0 x 3.0 x 1.1 mm3 n Package code DCC6C n RoHS compatible n Approximate weight 0.037 g n Package for Surface Mount Technology (SMT) n Ni, gold-plated terminals n Lead free soldering compatible with J - STD20C n AEC-Q200 qualified component family n Electrostatic Sensitive Device (ESD) Pin configuration n 2 Input n 5 Output n 1, 3, 4, 6 Ground Please readcautions and warnings and 2 January 25, 2013 important notes at the end of this document.

SAW Components B3521 SAW RF filter 1575.42 MHz Data sheet Characteristics Temperature range for specification: T = –40 ˚C to +85 ˚C Terminating source impedance: Z = 50W S Terminating load impedance: Z = 50W L min. typ. max. @ 25 ˚C Center frequency f — 1575.42 — MHz C Maximum insertion attenuation a max 1574.42 ... 1576.42 MHz — 3.2 3.5 dB Amplitude ripple (p-p) Da 1574.42 ... 1576.42 MHz — 0.5 1.0 dB Input VSWR 1574.42 ... 1576.42 MHz — 1.9 2.3 Output VSWR 1574.42 ... 1576.42 MHz — 1.9 2.3 Attenuation a 100.00 ... 1000.00 MHz 60 70 — dB 1500.00 MHz 40 43 — dB 1535.42 MHz 35 42 — dB 1615.42 MHz 25 33 — dB 1640.00 MHz 45 48 — dB 1700.00 MHz 50 52 — dB Maximum ratings Operable temperature range T –45/+125 ˚C Storage temperature range T –45/+125 ˚C stg DC voltage V 6 V DC Source power P 10 dBm source impedance 50 W S 20 dBm 824 MHz to 915 MHz, 1710 MHz to1785 MHz Please readcautions and warnings and 3 January 25, 2013 important notes at the end of this document.

SAW Components B3521 SAW RF filter 1575.42 MHz Data sheet Transfer function Transfer function (wideband) Please readcautions and warnings and 4 January 25, 2013 important notes at the end of this document.

SAW Components B3521 SAW RF filter 1575.42 MHz Data sheet Input VSWR Output VSWR Please readcautions and warnings and 5 January 25, 2013 important notes at the end of this document.

SAW Components B3521 SAW RF filter 1575.42 MHz Data sheet ESD protection of SAW filters SAW filters are Electro Static Discharge sensitive devices. To reduce the probability of damages caused by ESD, special matching topologies have to be applied. In general, “ESD matching” has to be ensured at that filter port, where electrostatic discharge is expected. Electrostatic discharges predominantly appear at the antenna input of RF receivers. Therefore only the input matching of the SAW filter has to be designed to short circuit or to block the ESD pulse. Below three figures show recommended “ESD matching” topologies. For wideband filters the high-pass ESD matching structure needs to be at least of 3rd order to ensure a proper matching for any impedance value of antenna and SAW filter input. The required component values have to be determined from case to case. Cs1 Cs3 Cs1 Cs3 MLC1 Lp2 mtaot cohuitnpgut Dp1 Lp2 mtaot cohuitnpgut Fig. 1 MLC varistor plus ESD matching Fig.2SuppressordiodeplusESDmatching In cases where minor ESD occur, following simplified “ESD matching” topologies can be used alternatively. Cs1 Cs3 Lp2 to output matching Fig. 3 3rd order high-pass structure for basic ESD protection In all three figures the shunt inductor Lp2 could be replaced by a shorted microstrip with proper length and width. If this configuration is possible depends on the operating frequency and available pcb space. Effectiveness of the applied ESD protection has to be checked according to relevant industry standards or customer specific requirements For further information, please refer to EPCOS Application report: “ESD protection for SAW filters”. This report can be found under www.epcos.com/rke.Click on “Applications Notes”. Please readcautions and warnings and 6 January 25, 2013 important notes at the end of this document.

SAW Components B3521 SAW RF filter 1575.42 MHz Data sheet References Type B3521 Ordering code B39162B3521U410 Marking and package C61157-A7-A67 Packaging F61074-V8168-Z000 Date codes L_1126 B3521_NB.s2p, B3521_WB.s2p S-parameters See file header for port/pin assignment table. Soldering profile S_6001 RoHS compatible RoHS-compatiblemeansthatproductsarecompatiblewiththe requirementsaccordingtoArt.4 (substancerestrictions)ofDi- rective 2011/65/EU of the European Parliament and of the CouncilofJune8th, 2011,ontherestrictionoftheuseofcertain hazardous substances in electrical and electronic equipment ("Directive")withdueregardtotheapplicationofexemptionsas per Annex III of the Directive in certain cases. Moldability Beforeusinginovermoldingenvironment,pleasecontactyour EPCOS sales office. Matching coils See Inductor pdf-catalog http://www.tdk.co.jp/tefe02/coil.htm#aname1 and Data Library for circuit simulation http://www.tdk.co.jp/etvcl/index.htm ForfurtherinformationpleasecontactyourlocalEPCOSsalesofficeorvisitourwebpageat www.epcos.com . Published by EPCOS AG Systems, Acoustics, Waves Business Group P.O. Box 80 17 09, 81617 Munich, GERMANY ª EPCOS AG 2013. This brochure replaces the previous edition. Forquestionsontechnology,pricesanddeliverypleasecontacttheSalesOfficesofEPCOSAGor the international Representatives. Duetotechnicalrequirementscomponentsmaycontaindangeroussubstances.Forinformationon the type in question please also contact one of our Sales Offices. Please readcautions and warnings and 7 January 25, 2013 important notes at the end of this document.

Important notes The following applies to all products named in this publication: 1. Somepartsofthispublicationcontainstatementsaboutthesuitabilityofourproductsfor certain areas of application. These statements are based on our knowledge of typical requirements that are often placed on our products in the areas of application concerned. We nevertheless expressly point out that such statements cannot be regarded as binding statements about the suitability of our products for a particular customer application. As a rule, EPCOS is either unfamiliar with individual customer applications or less familiar with them than the customers themselves. For these reasons, it is always ultimately incumbent on the customer to check and decide whether an EPCOS product with the properties described in the product specification is suitable for use in a particular customer application. 2. We also point out that in individual cases, a malfunction of electronic components or failure before the end of their usual service life cannot be completely ruled out in the current state of the art, even if they are operated as specified. In customer applications requiring a very high level of operational safety and especially in customer applications in which the malfunction or failure of an electronic component could endanger human life or health (e.g. in accident prevention or life-saving systems), it must therefore be ensured by means of suitable design of the customer application or other action taken by the customer (e.g. installation of protective circuitry or redundancy) that no injury or damage is sustained by third parties in the event of malfunction or failure of an electronic component. 3. The warnings, cautions and product-specific notes must be observed. 4. In order to satisfy certain technical requirements, some of the products described in this publicationmaycontainsubstancessubjecttorestrictionsincertainjurisdictions(e.g. because they are classed as hazardous). Useful information on this will be found in our Material Data Sheets on the Internet (www.epcos.com/material). Should you have any more detailed questions, please contact our sales offices. 5. We constantly strive to improve our products. Consequently, the products described in this publication may change from time to time. The same is true of the corresponding product specifications. Please check therefore to what extent product descriptions and specifications contained in this publication are still applicable before or when you place an order. We also reserve the right to discontinue production and delivery of products. Conse- quently, we cannot guarantee that all products named in this publication will always be available. The aforementioned does not apply in the case of individual agreements deviating from the foregoing for customer-specific products. 6. Unless otherwise agreed in individual contracts, all orders are subject to the current version of the “General Terms of Delivery for Products and Services in the Electrical Industry” published by the German Electrical and Electronics Industry Association (ZVEI). 7. The trade names EPCOS, BAOKE, Alu-X, CeraDiode, CeraLink, CSMP, CSSP, CTVS, DeltaCap, DigiSiMic, DSSP, FilterCap, FormFit, MiniBlue, MiniCell, MKD, MKK, MLSC, MotorCap, PCC, PhaseCap, PhaseCube, PhaseMod, PhiCap, SIFERRIT, SIFI, SIKOREL, SilverCap, SIMDAD, SiMic, SIMID, SineFormer, SIOV, SIP5D, SIP5K, ThermoFuse, WindCap aretrademarksregisteredorpendinginEuropeandinothercountries.Furtherinformation will be found on the Internet at www.epcos.com/trademarks. 8 January 25, 2013

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