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"High Frequency Ceramic Solutions"
2.45 GHz Antenna
Detail Specification: 07/07/06
P/N 2450AT45A100
Page 1 of 3
General Specifications
Part Number Frequency Range Peak Gain Average Gain Return Loss Mechanical Dimensions In
L W T a 0.374 0.008 0.079 0.008 0.047 +.004/-.008 0.020 0.012
2450AT45A100 2400 - 2500 Mhz 3.0 dBi typ. (XZ-V) 1.0 dBi typ. (XZ-V) 9.5 dB min.
Input Power Impedance Operating Temperature Reel Quanity
3W max. 50 -40 to +85C 1,000
Terminal Configuration
mm
9.50 0.20 2.00 0.20 1.20 +0.1/-0.2
L W a T
No. 1 2
Function Feeding Point NC
0.50 0.30
2
1
Mounting Considerations
Mount these devices with brown mark facing up. Units: mm * Line width should be designed to provide 50 impedance matching characteristics.
1.0
10.5 7.5
1.0
10.5 7.5
*
1.8
*
1.5pF 3.9nH
1.8
a) Without Matching Circuit (moderate bandwidth)
b) With Matching Circuit* (wide bandwidth) *Matching circuit and component values will depend 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
931 Via Alondra * Camarillo, CA 93012 * TEL 805.389.1166 FAX 805.389.1821 2003 Johanson Technology, Inc. All Rights Reserved
"High Frequency Ceramic Solutions"
2.45 GHz Antenna
Detail Specification: 07/07/06
P/N 2450AT45A100
Page 2 of 3
Typical Electrical Characteristics (T=25oC)
)
)
)
Test Board
) ) ) ) )
40mm
12 mm 50 Feed Line
20mm Antenna
Return Loss
a) Without Matching Circuit
Ground
19mm
No Ground
a) With Matching Circuit
)
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
931 Via Alondra * Camarillo, CA 93012 * TEL 805.389.1166 FAX 805.389.1821 2003 Johanson Technology, Inc. All Rights Reserved
"High Frequency Ceramic Solutions"
2.45 GHz Antenna
Detail Specification: 07/07/06
P/N 2450AT45A100
Page 3 of 3
Typical Radiation Patterns
) ) )
)
)
)
)
XY-V/XY-H
Z 180
)
XY cut @2.45GHz Vertical Horizontal
90 Y 0
X 270
XY-cut scanning direction
XZ-V/XZ-H
Y 180 X 270
XZ cut @2.45GHz Vertical Horizontal
90 Z 0
XZ-cut scanning direction
)
YZ-V/YZ-H X 180 Y 270
Z
YZ cut @2.45GHz Vertical Horizontal
90 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
931 Via Alondra * Camarillo, CA 93012 * TEL 805.389.1166 FAX 805.389.1821 2003 Johanson Technology, Inc. All Rights Reserved

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