DATA SHEET WIRELESS COMPONENTS Ceramic Patch Antenna ANT1818B00AT1575S GPS Product Specification – May 13, 2015 V.0 SMD 18 × 18 × 2 mm Product specification WIRELESS COMPONENTS 2 5 Ceramic Patch Antenna FEATURES Compact size High radiation efficiency Tape & reel automatic mounting Reflow process compatible RoHS compliant ORDERING INFORMATION APPLICATIONS Navigation device Telematics box 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 (3) 00A T 1575S (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 CAN43934240A1581B 12NC 43934240A158 www.yageo.com May. 13, 2015 V0 Product specification WIRELESS COMPONENTS 3 5 Ceramic Patch Antenna SPECIFICATION Table 1 VALUE DESCRIPTION 1580 ± 3 MHz Centre Frequency Bandwidth 6 MHz (Typ.) Gain 2 dBic (Typ.) VSWR 1.5 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 May. 13, 2015 V0 Product specification WIRELESS COMPONENTS 4 5 Ceramic Patch Antenna ELECTRICAL PERFORMANCES Trc1 Trc2 Mem3[Trc1] Mem4[Trc2] S11 40 30 20 S11 S11 S11 S11 dB Mag 10 dB / Smith dB Mag 10 dB / Smith Ref -10 dB Ref 1 U Ref -10 dB Ref 1 U Cal Cal Invisible Invisible 1 of 1 (Max) M 1 1.580420 GHz -36.607 dB M 1 1.580420 GHz 49.836 Ω M 2 1.575849 GHz -10.000 dB -j1.4666 Ω M 3 1.585011 GHz -10.0000 dB 68.667 pF M 2 1.575849 GHz 93.890 Ω -j12.680 Ω 7.9649 pF M 3 1.585011 GHz 27.493 Ω -j10.226 Ω 9.8197 pF 10 M1 M2 0 M3 M2 M3 -10 -20 -30 M1 -40 Ch1 Center 1.57542 GHz 3/18/2015, 5:11 AM Pwr 0 dBm Span 100 MHz Fig. 3 Return loss www.yageo.com May. 13, 2015 V0 Product specification WIRELESS COMPONENTS Ceramic Patch Antenna 5 5 REVISION HISTORY REVISION DATE CHANGE NOTIFICATION Version 0 - May 11, 2015 DESCRIPTION - New data sheet for Patch antenna, SMD Feed size 18 ×18 ×2 mm www.yageo.com May. 13, 2015 V0