1575AT54A0010

"High Frequency Ceramic Solutions" 1.575 GHz Multilayer GPS Chip Antenna Detail Specification: 10/30/08 P/N 1575AT54A0010 Page 1 of 5 General Specifications Part Number Frequency Range Peak Gain Average Gain Return Loss 1575AT54A0010 1570 - 1580 Mhz 1.3 dBi typ. (YZ-Total) -0.7 dBi typ. (YZ-Total) 9.5 dB min. Input Power Impedance Reel Quanity Operating Temperature Storage Temperature 2W max. 50 Ω 500 -40 to +85°C +5 to +35°C, Humidity: 45-75%RH, 12 mos. Max P/N Suffix Termination Style Packaging Style Bulk T&R 100% Tin Tin / Lead Suffix = S Suffix = E Suffix = None Eg. 1575AT54A0010S Eg. 1575AT54A0010E Eg. 1575AT54A0010(E or S) Terminal Configuration No. 1 2 3 Function Feed Point GND NC GND Please consult Factory Mechanical Dimensions In L W T a a1 b c 4 mm 15.00 ± 0.20 4.00 ± 0.20 3.20 ± 0.20 1.00 ± 0.20 0.50 ± 0.20 0.50 ± 0.20 6.00 ± 0.20 W a b a a 0.591 ± 0.008 0.157 ± 0.008 0.126 ± 0.008 0.039 ± 0.008 0.020 ± 0.008 0.020 ± 0.008 0.236 ± 0.008 3 c L a1 a a1 c 2 T 1 4 T L Johanson Technology, Inc. reserves the right to make design changes without notice. All sales are subject to Johanson Technology, Inc. terms and conditions. www.johansontechnology.com 4001 Calle Tecate • Camarillo, CA 93012 • TEL 805.389.1166 FAX 805.389.1821 2008 Johanson Technology, Inc. All Rights Reserved "High Frequency Ceramic Solutions" 1.575 GHz Multilayer GPS Chip Antenna Detail Specification: 10/30/08 P/N 1575AT54A0010 Page 2 of 5 Mounting Considerations Matching circuit and component values will be different, depending on PCB layout *Line width should be designed to provide 50 Ω impedance matching characteristics. a) Without Matching Circuits ) 1.5 0.5 No Ground Feeding line 5.8 0.7 0 Ohm Ground 1.5 2.6 1.2 1.4 ) ) ) ) ) 5.8 GND Via ) 0.5 1.5 4 0.5 www.johansontechnology.com 4001 Calle Tecate • Camarillo, CA 93012 • TEL 805.389.1166 FAX 805.389.1821 2008 Johanson Technology, Inc. All Rights Reserved "High Frequency Ceramic Solutions" 1.575 GHz Multilayer GPS Chip Antenna Detail Specification: 10/30/08 P/N 1575AT54A0010 Page 3 of 5 Return Loss - Without Matching Circuits 0 m1 freq=1.570GHz dB(S(1,1))=-18.667 m2 freq=1.580GHz dB(S(1,1))=-16.375 m3 freq=1.575GHz dB(S(1,1))=-26.496 -10 dB(S(1,1)) m2 m1 -20 m3 -30 1.0 ) 1.2 1.4 freq, GHz 1.6 1.8 2.0 ) ) ) ) www.johansontechnology.com 4001 Calle Tecate • Camarillo, CA 93012 • TEL 805.389.1166 FAX 805.389.1821 2008 Johanson Technology, Inc. All Rights Reserved "High Frequency Ceramic Solutions" 1.575 GHz Multilayer GPS Chip Antenna Detail Specification: 10/30/08 P/N 1575AT54A0010 Page 4 of 5 Typical Electrical Characteristics (T=25oC) Antenna Test Board - Top-View (units in mm): ) ) ) ) 6 ) ) ) 15.5 ) Feeding line 50 Matching circuits No Ground (Yellow area) Ground 34.5 100 Test Board - Bottom-View (units in mm): 6 15.5 ) 50 No Ground (Yellow area) 34.5 Ground 100 Johanson Technology, Inc. reserves the right to make design changes without notice. All sales are subject to Johanson Technology, Inc. terms and conditions. www.johansontechnology.com 4001 Calle Tecate • Camarillo, CA 93012 • TEL 805.389.1166 FAX 805.389.1821 2008 Johanson Technology, Inc. All Rights Reserved "High Frequency Ceramic Solutions" 1.575 GHz Multilayer GPS Chip Antenna Detail Specification: 10/30/08 P/N 1575AT54A0010 Page 5 of 5 Typical Radiation Patterns ) ) ) XY-V/XY-H ) ) ) Z 180° XY cut @1.575GHz Vertical Horizontal ) ) 90° Y 0° X 270° XY-cut scanning direction XZ-V/XZ-H Y 180° X 270° XZ cut @1.575GHz Vertical Horizontal 90° Z 0° XZ-cut scanning direction ) YZ-V/YZ-H X 180° Y 270° Z YZ cut @1.575GHz Vertical Horizontal 90° 0° YZ-cut scanning direction Johanson Technology, Inc. reserves the right to make design changes without notice. All sales are subject to Johanson Technology, Inc. terms and conditions. www.johansontechnology.com 4001 Calle Tecate • Camarillo, CA 93012 • TEL 805.389.1166 FAX 805.389.1821 2008 Johanson Technology, Inc. All Rights Reserved