"High Frequency Ceramic Solutions" Preliminary 2.5GHz Chip Antenna (No GND clearance required) P/N 2500AT43A0100 Page 1 of 4 Detail Specification: 01/21/2009 General Specifications 2500AT43A0100 Part Number 2450 - 2550 Frequency Range -40 to +85°C Operating Temperature Peak Gain 0.6 dBi typ. (YZ-total) Storage Temperature Range Average Gain -2.1 dBi typ. (XZ-total) Reel Quanity +5~+35°C, Humidity 45~75%RH 1,000 3.0 dB min. Return Loss Impedance 50 Ω Input Power 2W max. Terminal Configuration Mechanical Dimensions In mm L 0.276 ± 0.008 7.00 ± 0.20 W 0.079 ± 0.008 2.00 ± 0.20 T 0.157 ± 0.008 4.00 ± 0.20 a1 0.033 ± 0.008 0.85 ± 0.20 a2 0.039 ± 0.008 1.00 ± 0.20 b1 0.020 ± 0.008 0.50 ± 0.20 b2 0.039 ± 0.008 1.00 ± 0.20 a1 a1 a1 a2 a1 a1 a1 b1 w a1 a1 a1 a2 a1 a1 a1 L b2 T No. Function 1 Feeding Point 2 GND 3 GND 4 NC 5 NC 6 GND 7 GND 8 GND 8 7 6 5 1 2 3 4 L Mounting Considerations *Line width should be designed to match 50 Ω characteristic impedance, depending on PCB material and thickness Antenna Via 0.4 3.6 1.6 50 Ω Feed line 0.3 0.3 0.4 0.5pF * 4.7nH Ground Units in mm 1.3 0.4 1.3 1.3 0.4 1.3 0.5pF 1.6 JTI P/N for Matching Circuit: Inductor (4.7nH):L-14C4N7SV6T Capacitor (0.5pF): 251R14S0R5V4T Matching circuit and component values will be different, depending on PCB layout 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 2009 Johanson Technology, Inc. All Rights Reserved Preliminary"High Frequency Ceramic Solutions" 2.5GHz Chip Antenna (No GND clearance required) P/N 2500AT43A0100 Page 2 of 4 Detail Specification: 05/22/08 Mounting Considerations ) ) ) ) Test Board ) ) 40mm ) Top View 9.5mm Via Antenna ) 50Ω Feed Line 20mm 50Ω Feed Line Ground 40mm Matching Circuits Antenna Ground 100mm Bottom View ) 40mm Ground 100mm 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 2009 Johanson Technology, Inc. All Rights Reserved Preliminary"High Frequency Ceramic Solutions" 2.5GHz Chip Antenna (No GND clearance required) P/N 2500AT43A0100 Page 3 of 4 Detail Specification: 05/22/08 ) ) Return Loss (With matching) ) ) Return Loss (Without matching) 0 -5 m1 m1 freq=2.600GHz dB(S(1,1))=-7.993 m2 freq=2.700GHz dB(S(1,1))=-7.910 m3 freq=2.650GHz dB(S(1,1))=-28.568 m2 ) dB(S(1,1)) -10 -15 -20 -25 m3 -30 2.0 2.2 2.4 2.6 2.8 3.0 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 2009 Johanson Technology, Inc. All Rights Reserved Preliminary"High Frequency Ceramic Solutions" 2.5GHz Chip Antenna (No GND clearance required) P/N 2500AT43A0100 Page 4 or 4 Detail Specification: 05/22/08 Typical Radiation Patterns ) ) ) ) ) ) XY cut @2.5GHz Vertical Horizontal ) XY-V/XY-H Z ) 180° X 270° 90° Y 0° XZ-V/XZ-H XY-cut scanning direction XZ cut @2.5GHz Vertical Horizontal Y 180° X 270° 90° Z 0° XZ-cut scanning direction ) YZ cut @2.5GHz 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 2009 Johanson Technology, Inc. All Rights Reserved