"High Frequency Ceramic Solutions" L2 Band 1.227GHz GPS Internal Chip Antenna Detail Specification: P/N 1227AT45A0042 Page 1 of 4 2/5/2014 General Specifications 1227AT45A0042 Frequency Range (MHz) 1227.6 ± 21MHz Part Number Operating Frequency (MHz) 1206 - 1249 (+10MHz guard band) 1.0 dBi typ. (XZ-V) -2.0 dBi typ. (XZ-V) 9.5 dB min. 50 Ω Peak Gain Average Gain Return Loss Impedance Operating Temperature 3W max. (CW) Power Capacity Recommended Storage Conditions -40 to +85°C 18 Months Shelf Life 1,000 +5 ~ +35 °C,Humidity 45~75%RH Reel Quanity Terminal Configuration Mechanical Dimensions In mm L 0.374 ± 0.008 9.50 ± 0.20 W 0.079 ± 0.008 2.00 ± 0.20 T 0.047 +.004/-.008 1.20 +0.1/-0.2 a 0.020 ± 0.012 0.50 ± 0.30 W L a No. Function 1 Feeding Point 2 NC (to trace) 1 T 2 Mounting Considerations (all units in mm) 1.0 GND 10.5 7.5 1.0 nH 1.8 * 1.0 pF 5.5 GND 0.5 7.5 We offer 2 free layout reviews as well as antenna tuning and characterization services (lab fee may apply). Go to page 2 for details. The length of this PCB trace element must be followed, however the shape may be modified to conform to the designer’s particular layout *Line width should be designed to match 50Ωcharacteristic impedance (co-planar waveguide), depending on PCB material and thickness. The matching values above only apply to Johanson's evaluation board, see page two for more details or go to: www.johansontechnology.com/tuning 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 Ver 2.1 2014 Johanson Technology, Inc. All Rights Reserved "High Frequency Ceramic Solutions" L2 Band 1.227GHz GPS Internal Chip Antenna Detail Specification: P/N 1227AT45A0042 Page 2 of 4 2/5/2014 Mounting Considerations Note: It is recommended that the designer leave available slots for a "pi" (or shunt-series-shunt) network. The antenna matching network values here are used when antenna is mounted on Johanson's evaluation board. The matching values on client’s PCB will be different, go to: johansontechnology.com/tuning and see how to obtain the new values. Contact our RF Applications Eng Team at: http://www.johansontechnology.com/component/techquestion 40mm This 50Ω Feedline can be as short as needed, this length is just for reference 12mm Shelf Life Test Board: 20mm P/N: 1227AT45A0042-EB1SMA (orderable item) Antenna GND Plane Matching circuits To order, go to: www.johansontechnology.com/samplerequest 19mm No Ground We offer antenna layout/gerber reviews, PCB tuning, optimization, and characterization services, go to: www.johansontechnology.com/ipcantennaservices for details and instructions o Typical Electrical Characteristics (T=25 C) Return Loss / With Matching Circuits 0 m1 freq=1.227GHz dB(S(1,1))=-31.654 dB(S(1,1)) -10 -20 m1 -30 -40 1.00 1.05 1.10 1.15 1.20 1.25 1.30 1.35 1.40 1.45 1.50 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 Ver 2.1 2014 Johanson Technology, Inc. All Rights Reserved "High Frequency Ceramic Solutions" L2 Band 1.227GHz GPS Internal Chip Antenna Detail Specification: P/N 1227AT45A0042 Page 3 of 4 2/5/2014 o Typical Electrical Characteristics (T=25 C) Radiation Patterns Z XY cut @1.227GHz Total 0 o X 90o 270o Y 180o XY-cut scanning direction Shelf Life Y XZ cut @1.227GHz Total 0 o X 90o 270o Z 180o XZ-cut scanning direction X YZ cut @1.227GHz Total 0 o Y 90o 270o Z 180o 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 Ver 2.1 2014 Johanson Technology, Inc. All Rights Reserved "High Frequency Ceramic Solutions" L2 Band 1.227GHz GPS Internal Chip Antenna P/N 1227AT45A0042 Page 4 of 4 2/5/2014 Detail Specification: Part Number Explanation P/N Suffix Bulk (loose pieces) T&R Packing Style T & R (Reverse) 100% Tin Suffix = S Suffix = E Suffix = R Suffix = None eg. 1227AT45A0042 eg. 1227AT45A0042 eg. 1227AT45A0042R (MOQ Applies) eg. 1227AT45A0042(S, E, R) Eval Board (1-port SMA antenna test 1227AT45A0042-EB1SMA (Page 2) boards) www.johansontechnology.com/ipc-pn-explained More Details Storage Conditions and Shelf Life (On T&R or Bulk) +5C to +35°C Temperature: 18 months max. Shelf Life: 45 to 75% Relative Humidity: Packaging information www.johansontechnology.com/ipcpackaging.html Soldering Information www.johansontechnology.com/ipcsoldering-profile Antenna layout and tuning techniques (How to obtain the new antenna matching values) www.johansontechnology.com/tuning Antenna layout review, tuning, and characterization services www.johansontechnology.com/ipcantennaservices RoHS Compliance www.johansontechnology.com/technical-notes/rohs-compliance.html MSL Info www.johansontechnology.com/technical-notes/msl-rating.html 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 Ver 2.1 2014 Johanson Technology, Inc. All Rights Reserved