JOHANSON 0915AT43A0026

"High Frequency Ceramic Solutions"
915 MHz Antenna
P/N 0915AT43A0026
Page 1 of 3
Detail Specification: 02/20/09
General Specifications
Part Number
0915AT43A0026
Operating Temperature
-40 to +85°C
Frequency Range
902 - 928
Peak Gain
-1.0 dBi typ. (XZ-total)
Storage Temperature
Range
+5~+35°C,
Humidity 45~75%RH
Average Gain
-4.0 dBi typ. (XZ-total)
Reel Quanity
1,000
Return Loss
8.5 dB min.
Impedance
50 Ω
Input Power
2W max.
No.
Function
1
Feeding Point
2
NC
Terminal Configuration
2
1
Mechanical Dimensions
In
mm
L
0.276 ± 0.008
7.00 ± 0.20
W
0.079 ± 0.008
2.00 ± 0.20
T
0.031 +.004/-.008
0.80
a
0.020 ± 0.012
0.50 ± 0.30
a
W
T
+0.1/-0.2
L
Mounting Considerations
Mount these devices with brown mark facing up. Units: mm
* Line width should be designed to provide 50 Ω impedance matching characteristics.
1.0
With Matching Circuit
8.0
5.5
*
10 nH
2.0
*
4.7 nH
0.5 pF
*
0.5
5.0
Matching circuits
JTI P/N for Matching Circuit:
Inductor (4.7nH):L-07C4N7SV6T
Inductor (10nH): L-07C10NJV6T
Cap (0.5pF): 500R07S0R5BV4T
2.5
7.0
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
2008 Johanson Technology, Inc. All Rights Reserved
"High Frequency Ceramic Solutions"
915 MHz Antenna
P/N 0915AT43A0026
Page 2 of 3
Detail Specification: 02/20/09
Mounting Considerations
)
)
Test Board
)
9.5mm
40mm
)
)
40mm
)
9.5mm
50Ω Feed Line
)
50Ω Feed Line
20mm
Antenna
20mm
19mm
Ground
Antenna
No
Ground
Return Loss (with matching)
Ground
0
-5
m1
freq=902.0MHz
dB(S(1,1))=-11.217
m2
freq=928.0MHz
dB(S(1,1))=-11.807
m3
freq=915.0MHz
dB(S(1,1))=-43.257
m1m2
-10
-15
dB(S(1,1))
)
-20
)
-25
-30
-35
-40
m3
-45
0.5
0.6
0.7
0.8
0.9
1.0
1.1
1.2
1.3
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
2008 Johanson Technology, Inc. All Rights Reserved
"High Frequency Ceramic Solutions"
915 MHz Antenna
P/N 0915AT43A0026
Page 3 or 3
Detail Specification: 02/20/09
Typical Radiation Patterns
)
)
)
)
)
)
XY cut @915MHz
Vertical
Horizontal
)
XY-V/XY-H
Z
)
180°
X
270°
90°
Y
0°
XZ-V/XZ-H
XY-cut scanning direction
XZ cut @915MHz
Vertical
Horizontal
Y
180°
X
270°
90°
Z
0°
XZ-cut scanning direction
)
YZ cut @915MHz
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
2008 Johanson Technology, Inc. All Rights Reserved