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Preliminary
"High Frequency Ceramic Solutions"
P/N 0915AT43A0042
Page 1 of 3
915 MHz Antenna
Detail Specification: 11/30/2009 General Specifications
Part Number Frequency Range Peak Gain Average Gain Return Loss Impedance Input Power 0915AT43A0042 894 - 936 MHz -1.0 dBi typ. (XZ-total) -4.0 dBi typ. (XZ-total) 8.5 dB min. 50 2W max. No. 1 2 Function Feeding Point NC
Operating Temperature Storage Temperature Range Reel Quanity
-40 to +85C +5 ~ +35 C, Humidity 45~75%RH, 12 mos. max 1,000
Terminal Configuration 2 1
Mechanical Dimensions
In L W T a 0.276 0.008 0.079 0.008 0.031 +.004/-.008 0.020 0.012 mm 7.00 0.20 2.00 0.20 0.80
+0.1/-0.2
a W T L
0.50 0.30
Mounting Considerations
Mount these devices with brown mark facing up. Units: mm * Line width should be designed to provide 50 impedance matching characteristics. **Matching circuit and component values will be different, depending on PCB layout With Matching Circuit Ground 5.6 pF 2.2 nH Ground 5.5 1.0 2.0 1.0 8.0 0.5 0.6 5.8 1.1
*
0.5 4.0 Matching circuits** 7.5 Johanson Technology, Inc. reserves the right to make design changes without notice. All sales are subject to Johanson Technology, Inc. terms and conditions.
6.0
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"
P/N 0915AT43A0042
Page 2 of 3
915 MHz Antenna
Detail Specification: 11/30/2009
Mounting Considerations
* 50 feed line can be shorter, 19mm length is for testing purposes
) )
Test Board
) )
50 Feed Line
)
)
)
40mm
)
40mm
9.5mm
9.5mm
50 Feed Line 20mm 20mm Antenna Antenna No Ground "keep out" area
Ground
19mm*
Return Loss (with matching)
Ground
)
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"
P/N 0915AT43A0042
Page 3 or 3
915 MHz Antenna
Detail Specification: 11/30/2009
Typical Radiation Patterns
) ) )
)
)
)
)
XY-V/XY-H
Z
)
XY cut @915MHz Vertical Horizontal
180 90 Y 0 X 270 XY-cut scanning direction
XZ-V/XZ-H
Y 180
XZ cut @915MHz Vertical Horizontal
90 Z 0
X 270
XZ-cut scanning direction
)
YZ-V/YZ-H X 180 90
Z
YZ cut @915MHz 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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