DATA SHEET WIRELESS COMPONENTS Ceramic Patch Antenna ANT2525B00BT1575A GPS Product Specification – February 5, 2013 V.0 SMD 25*25*4mm Product specification WIRELESS COMPONENTS FEATURES High radiation efficiency Reflow process compatible RoHS compliant Ceramic Patch Antenna 2 7 ORDERING INFORMATION All part numbers are identified by the series, packing type, material, size, antenna type, working frequency and packing quantity. PART NUMBER APPLICATIONS Navigation device Telematics box Fleet management ANT 2525 B 00B T 1575A (1) (2) (3) (4) (5) (6) (1) PRODUCT ANT = Antenna (2) SIZE 2525 = 25 × 25 mm (3) ANTENNA TYPE B = Bulk Antenna (4) SERIAL NO. 00B (5) PACKING STYLE T = Tray (6) WORKING FREQUENCY 1575 = 1.575GHz PHYCOMP CTC CAN43134250B1581B 12NC 43134250B158 www.yageo.com Feb. 5, 2013 V0 Product specification WIRELESS COMPONENTS 3 7 Ceramic Patch Antenna SPECIFICATION Table 1 VALUE DESCRIPTION Centre Frequency 1580 ± 2 MHz Bandwidth 20 MHz (Typ.) Gain 5.5 dBic (Typ.) VSWR 2.0 Max Polarization Right Hand Circular Polarization ≦ 3dB Axis Ratio Beam Width > 120 degrees 50Ω Impedance -40~105 ℃ Operating Temperature NOTE 1. Based on 70* 70 mm2 square ground plane. 2. Central 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: 70*70 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 7 Ceramic Patch Antenna 2D x-z plane pattern 6 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 DESCRIPTION Version 0 - - New datasheet for Patch antenna, SMD Feed size 25*25*4 mm Feb. 05, 2013 www.yageo.com Feb. 5, 2013 V0