VJ5101W157GXCMT www.vishay.com Vishay Surface Mount Ceramic Chip Antennas for 1.575 GHz FEATURES • Small outline (10 mm x 3.2 mm x 0.8 mm) • 50 unbalanced tuning interface • Linear polarization • Assembled onto a PCB in the standard reflow process • Wide transmit / receive range • High stability in temperature / humidity changes • Excellent peak / average gain VJ5101W157GXCMT chip antenna • Wide operating temperature range (- 40 °C to + 85 °C) The VJ5101W157 series are small form-factor, high-performance chip-antennas optimized for GPS applications. • Material categorization: For definitions of compliance please see www.vishay.com/doc?99912 APPLICATIONS Designed for GPS applications, the VJ5101W157GXCMT antenna shows a superb performance and excellent peak/ average gain, allowing longer ranges than similar GPS patch antennas. • GPS L1 band DESCRIPTION Operating temperature: - 40 °C to + 85 °C The VJ5101W157GXCMT ceramic chip antenna is a small form-factor, high-performance, chip-antenna designed for operation at 1.575 GHz. It allows manufacturers to design high quality products that do not bear the penalty of a large external antenna, and is designed to be assembled onto a PC board using a standard reflow process. Frequency range (transmission / reception): 1575 MHz ± 50 MHz • Transmission / reception at 1.575 GHz ELECTRICAL SPECIFICATIONS Note • Electrical characteristics at + 25 °C unless otherwise specified. QUICK REFERENCE DATA SERIES FREQUENCY (MHz) MAX. GAIN (dBi) AVERAGE GAIN (dBi) BANDWIDTH (- 10 dB) (MHz) BANDWIDTH (- 3 dB) (MHz) 1575 + 2.5 - 1.60 50 110 VJ5101W157GXCMT CHIP ANTENNA PERFORMANCE NOMINAL NOMINAL FREQUENCY IMPEDANCE (MHz) () 1575 Revision: 30-Apr-13 50 1.575 GHz 1.575 GHz 1.575 GHz 1.575 GHz - 3 dB - 10 dB - 3 dB - 10 dB PEAK AVERAGE REFLECTED INSERTION REFLECTED REFLECTED BANDWIDTH BANDWIDTH GAIN GAIN POWER POWER POWER POWER 1.575 GHz 1.575 GHz (dBi) LOSS LOSS LOSS LOSS (dBi) - 1.60 + 2.5 < - 15 dB <4% < 3.2 % < 0.14 dB 110 50 % 3 dB 50 10 % 0.46 dB Document Number: 45215 1 For technical questions, contact: [email protected] THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 VJ5101W157GXCMT www.vishay.com Vishay FOOTPRINT, MECHANICAL, AND PCB DIMENSIONS The antenna footprint and mechanical dimensions are presented in figure 7. Optimal tuning is adjusted according to PCB layout. FIGURE A = 0.8 mm ± 0.1 mm L = 10 mm ± 0.2 mm W = 3.2 mm ± 0.2 mm SYMBOL DIMENSION (mm) L 10 ± 0.20 W 3.2 ± 0.20 T 0.80 ± 0.10 A 0.80 ± 0.10 T = 0.8 mm ± 0.1 mm Layout Design Antenna on Test Board (thickness 0.8 mm) Revision: 30-Apr-13 Document Number: 45215 2 For technical questions, contact: [email protected] THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 VJ5101W157GXCMT www.vishay.com Vishay Antenna S11 on Test Board Antenna VSWR on Test Board Revision: 30-Apr-13 Document Number: 45215 3 For technical questions, contact: [email protected] THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 VJ5101W157GXCMT www.vishay.com Vishay RADIATION PATTERN Radiation pattern and gain were dependent on measurement board design. The specification of VJ5101W157GXCMT antenna was measured based on the PCB size and installation position as shown in the below figure test board VERTICAL HORIZONTAL Peak Gain = - 6.92 dBi, Average Gain = - 12.58 dBi Peak Gain = 2.49 dBi, Average Gain = 0.44 dBi Peak Gain = 1.27 dBi, Average Gain = - 4.23 dBi Peak Gain = - 8.51 dBi, Average Gain = - 14.30 dBi Peak Gain = 1.42 dBi, Average Gain = - 3.37 dBi Peak Gain = - 7.87 dBi, Average Gain = - 13.13 dBi Y-Z Plane Average Gain = 0.651 dBi X-Z Plane Average Gain = - 3.82 dBi X-Y Plane Average Gain = - 2.93 dBi Revision: 30-Apr-13 Document Number: 45215 4 For technical questions, contact: [email protected] THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 VJ5101W157GXCMT www.vishay.com Vishay SOLDERING CONDITION Typical examples of soldering processes that provide reliable joints without any damage are given in figure 2. PACKAGING PLASTIC TAPE SPECIFICATIONS (Dimensions in mm) AO BO ØD T W E F PO P1 P2 3.40 ± 0.10 10.20 ± 0.10 1.50 ± 0.10 1.00 ± 0.10 24 ± 0.30 1.75 ± 0.10 11.50 ± 0.10 4.00 ± 0.10 8.00 ± 0.10 2.00 ± 0.10 ORDERING INFORMATION VISHAY MATERIAL PACKAGING QUANTITY VJ5101W157 Chip Antenna VJ5101W157GXCMT 2000 pieces Revision: 30-Apr-13 Document Number: 45215 5 For technical questions, contact: [email protected] THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000 Legal Disclaimer Notice www.vishay.com Vishay Disclaimer ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE. Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively, “Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other disclosure relating to any product. Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all liability arising out of the application or use of any product, (ii) any and all liability, including without limitation special, consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular purpose, non-infringement and merchantability. Statements regarding the suitability of products for certain types of applications are based on Vishay’s knowledge of typical requirements that are often placed on Vishay products in generic applications. Such statements are not binding statements about the suitability of products for a particular application. It is the customer’s responsibility to validate that a particular product with the properties described in the product specification is suitable for use in a particular application. Parameters provided in datasheets and/or specifications may vary in different applications and performance may vary over time. All operating parameters, including typical parameters, must be validated for each customer application by the customer’s technical experts. Product specifications do not expand or otherwise modify Vishay’s terms and conditions of purchase, including but not limited to the warranty expressed therein. Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining applications or for any other application in which the failure of the Vishay product could result in personal injury or death. Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk. Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for such applications. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by any conduct of Vishay. Product names and markings noted herein may be trademarks of their respective owners. Material Category Policy Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as RoHS-Compliant fulfill the definitions and restrictions defined under Directive 2011/65/EU of The European Parliament and of the Council of June 8, 2011 on the restriction of the use of certain hazardous substances in electrical and electronic equipment (EEE) - recast, unless otherwise specified as non-compliant. Please note that some Vishay documentation may still make reference to RoHS Directive 2002/95/EC. We confirm that all the products identified as being compliant to Directive 2002/95/EC conform to Directive 2011/65/EU. Vishay Intertechnology, Inc. hereby certifies that all its products that are identified as Halogen-Free follow Halogen-Free requirements as per JEDEC JS709A standards. Please note that some Vishay documentation may still make reference to the IEC 61249-2-21 definition. We confirm that all the products identified as being compliant to IEC 61249-2-21 conform to JEDEC JS709A standards. Revision: 02-Oct-12 1 Document Number: 91000