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
Ω
-40 to +85°C
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
Ω
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
1 1
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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