"High Frequency Ceramic Solutions" 1575MHz GPS Ultra-Compact Ceramic Chip Antenna Detail Specification: P/N 1575AT44A0010 Page 1 of 4 9/24/2012 General Specifications Part Number 1575AT44A0010 Input Power Frequency Range 1570~1580 MHz 2W max. Impedance 50 Ω Peak Gain (XZ-total) 0.5 dBi typ. Reel Quanity 1000 Average Gain (XZ-total) -2.0 dBi typ. Operating Temperature Return Loss 9.5 dB min. Packaging Style P/N Suffix Termination Style Storage Temperature -40 to +85°C +5 to +35°C, Humidity: 4575%RH, 18 mos. Max Bulk Suffix = S Eg. 1575AT44A0010S Terminal Configuration T&R Suffix = E Eg. 1575AT44A0010E No. 100% Tin Suffix = None Eg. 1575AT44A0010(E or S) Tin / Lead EVB with SMA Connector Function 1 GND Please consult Factory 2 NC 1575AT44A0010-EB1SMA 3 NC 4 GND 5 NC Mechanical Dimensions In mm 6 NC L 0.177 ± 0.012 4.50 ± 0.30 7 Feeding W 0.122 ± 0.012 3.10 ± 0.30 8 GND T 0.059 ± 0.004 1.50 ± 0.10 a1 0.022 ± 0.008 0.55 ± 0.20 a2 0.079 ± 0.008 2.00 ± 0.20 b 0.004 min 0.1 min c 0.012 +.004/-.008 0.30 +0.1/-0.2 g 0.043 ± 0.006 1.10 ± 0.15 p 0.065 ± 0.008 1.65 ± 0.20 c a W 3 2 1 L a1 p 4 T 8 5 g 6 7 b 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 2012 Johanson Technology, Inc. All Rights Reserved "High Frequency Ceramic Solutions" 1575MHz GPS Ultra-Compact Ceramic Chip Antenna Detail Specification: P/N 1575AT44A0010 Page 2 of 4 9/24/2012 Mounting Considerations * Line width should be designed to match 50characteristic impedance, depending on PCB material and thickness. Without Matching Circuits - Units in mm 0.50 7.00 No ground area 1.00 Via 0.825 0.65 Ground 6.00 1.00 0.65 0 Ohm** 1.00 0.65 0.275 Feeding line 1.00 1.00 0.325 1.00 1.95 0.325 ) ` ) Solder Resist Land **When doing the layout of your PCB make sure you leave place holders for a "shunt-series-shunt" (Pi) matching network in your preferred case size. For any further questions, contact our engineering support team at: http://www.johansontechnology.com/en/ask-a-technical-question.html www.johansontechnology.com 4001 Calle Tecate • Camarillo, CA 93012 • TEL 805.389.1166 FAX 805.389.1821 2012 Johanson Technology, Inc. All Rights Reserved "High Frequency Ceramic Solutions" 1575MHz GPS Ultra-Compact Ceramic Chip Antenna P/N 1575AT44A0010 Page 3 of 4 9/24/2012 Detail Specification: Typical Electrical Characteristics (T=25oC) Test Board - (units in mm) ) Via No ground 7.5 50 Antenna 6 Ground 0 Ohm Test Board p/n: 1575AT44A0010‐EB1SMA 100 Typical Return Loss: dB(S(1,1)) 0 m1 freq=1.570GHz dB(S(1,1))=-15.811 m2 freq=1.580GHz dB(S(1,1))=-21.451 m3 freq=1.575GHz dB(S(1,1))=-28.248 -10 m1 m2 -20 m3 -30 1.0 1.2 1.4 1.6 1.8 2.0 freq, GHz 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 2012 Johanson Technology, Inc. All Rights Reserved Preliminary "High Frequency Ceramic Solutions" 1575MHz GPS Ultra-Compact Ceramic Chip Antenna P/N 1575AT44A0010 Page 4 of 4 9/24/2012 Detail Specification: Typical Radiation Patterns ) ) ) XY-V/XY-H ) ) XY cut @1.575GHz Vertical Horizontal Z ) ) 180° ) X 270° 90° Y 0° XZ-V/XZ-H XY-cut scanning direction XZ cut @1.575GHz Vertical Horizontal Y 180° X 90° 270° Z 0° XZ-cut scanning direction ) YZ cut @1.575GHz Vertical Horizontal YZ-V/YZ-H X 180° Y 270° 90° Z 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 2012 Johanson Technology, Inc. All Rights Reserved