High Frequency Ceramic Solution L2 Band 1.227GHz GPS Internal Chip Antenna P/N 1227AT45A0042 Page 1 of 4 Detail Specification: 2/5/2014 General Specifications Part Number 1227AT45A0042 Frequency Range (MHz) 1227.6 21MHz Operating Frequency (MHz) 1206 - 1249 (+10MHz guard band) Peak Gain 1.0 dBi typ. (XZ-V) Average Gain -2.0 dBi typ. (XZ-V) Return Loss 9.5 dB min. Impedance 50 Operating Temperature -40 to +85C Power Capacity 3W max. (CW) Shelf Life 18 Months Recommended Storage Conditions +5 ~ +35 C,Humidity 45~75%RH Reel Quanity 1,000 Mechanical Dimensions Terminal Configuration In mm No. Function W L 0.3740.008 9.50 0.20 1 Feeding Point W 0.0790.008 2.00 0.20 2 NC (to trace) L a T 0.047 +.004/-.008 1.20 +0.1/-0.2 T 1 2 a 0.0200.012 0.50 0.30 Mounting Considerations (all units in mm) We offer 2 free layout 1.0 10.5 reviews as well as GND antenna tuning and 7.5 characterization services 1.0 nH (lab fee may apply). Go to page 2 for details. 1.8 * 1.0 pF The length of this PCB trace element must be followed, 5.5 however the shape GND may be modified to 0.5 conform to the designers particular 7.5 layout *Line width should be designed to match 50 characteristic 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 ReserveHigh Frequency Ceramic Solution L2 Band 1.227GHz GPS Internal Chip Antenna P/N 1227AT45A0042 Page 2 of 4 Detail Specification: 2/5/2014 Mounting Considerations Note: It is recommended that the designer leave available slots for ap (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 clients PCB will be different, go to: johansontechnology.com/tuning and see how to obtain the new values. Contact our RF Applications Eng Team at: