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High Frequency Ceramic Solutions
WiMAX 2.3 - 2.7 GHz Chip Antenna
Detail Specification: 07/29/09
P/N 2500AT44M0400
Page 1 of 3
General Specifications
Part Number Freq. Range (MHz) Peak Gain (XZ-V) Average Gain (XZ-V) Return Loss Packaging Style 2500AT44M0400 2300 - 2700 2.5 dBi typ. 0.5 dBi typ. 9.5 dB min. Terminal Configuration Bulk T&R 100% Tin Tin / Lead Suffix = S Suffix = E Suffix = None Suffix = /Pb Eg. 2500AT44M0400S Eg. 2500AT44M0400E Eg. 2500AT44M0400(E or S) Eg. 2500AT44M0400(E or S)/Pb 2 1
No. 1 2
Input Power Impedance Operating Temp. Reel Quanity
3W max. 50 -40 to +85C 1,000
Function Feeding Point NC
P/N Suffix Termination Style
Mechanical Dimensions In
L W T a b 0.315 0.008 0.039 0.008 0.039 0.008 0.020 0.008 0.039 0.008
mm
W L a T b
8.00 0.20 1.00 0.20 1.00 0.20 0.50 0.20 1.00 0.20
Mounting Considerations
Mount these devices with white mark facing up. Units: mm * Line width should be designed to provide 50 impedance matching characteristics, depending on PCB material and thickness.
With Matching Circuits
Feeding line
1 pF 2.7 nH JTI P/N for Matching Circuit: Cap (1.0pF): 500R07S1R0BV4T Inductor (2.7nH): L-07C2N7SV6T (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. Ground No Ground 11 7 1
1.5
www.johansontechnology.com
4001 Calle Tecate * Camarillo, CA 93012 * TEL 805.389.1166 FAX 805.389.1821 2009 Johanson Technology, Inc. All Rights Reserved
High Frequency Ceramic Solutions
WiMAX 2.3 - 2.7 GHz Chip Antenna
Detail Specification: 07/29/09
P/N 2500AT44M0400
Page 2 of 3
Mounting Considerations
)
)
)
Test Board
Units in mm
)
)
)
)
)
Matching circuits
Antenna
Ground 20
Feeding line
No Ground
40 Return Loss - With Matching Circuits
12
)
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
High Frequency Ceramic Solutions
WiMAX 2.3 - 2.7 GHz Chip Antenna
Detail Specification: 07/29/09
P/N 2500AT44M0400
Page 3 of 3
Ant1 Radiation Patterns
) ) )
)
)
)
)
XY-V/XY-H
Z
)
XY cut @2.45GHz Vertical Horizontal
180 90 Y 0 X 270 XY-cut scanning direction
XZ-V/XZ-H
Y 180
XZ cut @2.45GHz Vertical Horizontal
90 Z 0
X 270
XZ-cut scanning direction
)
YZ-V/YZ-H X 180 90
Z
YZ cut @2.45GHz Vertical Horizontal
Y 270 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

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