DATA SHEET WIRELESS COMPONENTS Ceramic Patch Antenna ANT1818B00AT1575A GPS Product Specification – February 5, 2013 V.0 SMD 18 × 18 × 2 mm Product specification WIRELESS COMPONENTS 2 7 Ceramic Patch Antenna FEATURES z Compact size z High radiation efficiency z Tape & reel automatic mounting z Reflow process compatible z RoHS compliant ORDERING INFORMATION APPLICATIONS z Navigation device z Telematics box z Fleet management (1) PRODUCT All part numbers are identified by the series, packing type, material, size, antenna type, working frequency and packing quantity. PART NUMBER ANT 1818 (1) (2) B 00A T 1575A (3) (4) (5) (6) ANT = Antenna (2) SIZE 1818 = 18 × 18 mm (3) ANTENNA TYPE B = Bulk antenna (4) SERIAL NO. 00A (5) PACKING STYLE T = Tray (6) WORKING FREQUENCY 1575 = 1.575GHz PHYCOMP CTC CAN43134240A1581B 12NC 43134240A158 www.yageo.com Feb. 5, 2013 V0 Product specification WIRELESS COMPONENTS Ceramic Patch Antenna 3 7 SPECIFICATION Table 1 VALUE DESCRIPTION 1580 ± 2 MHz Centre Frequency Bandwidth 6 MHz (Typ.) Gain 2 dBic (Typ.) VSWR 2.0 Max Polarization Right Hand Circular Polarization ≦ 3dB Axis Ratio Beam Width > 120 degrees 50Ω Impedance Operating Temperature -40~105 degree NOTE 1. Based on 50*50mm2 square ground plane. 2. Centre frequency will be offset to working frequency while changes of customer's housing and ground plane. 3. Please contact local sales if you need customized design to gain optimum antenna performance. Fig. 1 Mechanical data Ground Plane Size: 50*50 mm2 Fig. 2 Evaluation Board www.yageo.com Feb. 5, 2013 V0 Product specification WIRELESS COMPONENTS Ceramic Patch Antenna 4 7 ELECTRICAL PERFORMANCES Fig. 3 Return loss Fig. 4 Smith Chart www.yageo.com Feb. 5, 2013 V0 Product specification WIRELESS COMPONENTS Fig. 5 Axial Ratio measurement Ceramic Patch Antenna 5 7 Fig. 6 Center Frequency V.S. Ground Plane Fig. 7 Antenna Gain V.S. Ground Plane www.yageo.com Feb. 5, 2013 V0 Product specification WIRELESS COMPONENTS 2D x-z plane pattern 6 7 Ceramic Patch Antenna 2D y-z plane pattern 3D radiation pattern Fig. 8 Radiation Pattern (Frequency = 1580MHz) www.yageo.com Feb. 5, 2013 V0 Product specification WIRELESS COMPONENTS Ceramic Patch Antenna 7 7 REVISION HISTORY REVISION DATE CHANGE NOTIFICATION Version 0 - Feb. 05, 2013 DESCRIPTION - New data sheet for Patch antenna, SMD Feed size 18 ×18 ×2 mm www.yageo.com Feb. 5, 2013 V0