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Preliminary
"High Frequency Ceramic Solutions"
P/N 0783AT43A0008
Page 1 of 3
783 MHz Antenna
Detail Specification: 10/01/09 General Specifications
Part Number Frequency Range Peak Gain Average Gain Return Loss Impedance Input Power 0783AT43A0008 779 - 787 MHz -2.0 dBi typ. (XZ-total) -5.0 dBi typ. (XZ-total) 9.5 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 With Matching Circuit 1.0 1.0 8.0 5.5 1.0 5.5 0.5pF Ground 8.0 5.5 5.0 0.5 0.5 6.0 6.0 2.0 2.0
* * *
*
Ground 15 nH 5.6 pF
*
2.2 nH6.8nH *
4.0 Matching Matching circuits circuits
2.5 4.0
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 2009 Johanson Technology, Inc. All Rights Reserved
Preliminary
"High Frequency Ceramic Solutions"
P/N 0783AT43A0008
Page 2 of 3
783 MHz Antenna
Detail Specification: 10/01/09
Mounting Considerations
)
)
Test Board
) )
40mm
)
9.5mm 9.5mm 50 Feed Line 50 Feed Line
)
)
40mm
)
20mm
20mm Ground 19mm
Antenna
No Ground
Antenna
Return Loss (with matching)
Ground
0 -5 -10 dB(S(1,1)) -15 -20 -25 -30 -35 -40 0.5 0.6 0.7 freq, GHz 0.8 0.9 m1
)
m1 freq=779.0MHz dB(S(1,1))=-25.388 m2 freq=783.0MHz dB(S(1,1))=-31.510 m3 freq=787.0MHz dB(S(1,1))=-29.631
m3 m2
1.0
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 2009 Johanson Technology, Inc. All Rights Reserved
Preliminary
"High Frequency Ceramic Solutions"
P/N 0783AT43A0008
Page 3 or 3
783 MHz Antenna
Detail Specification: 10/01/09
Typical Radiation Patterns
) ) )
)
)
)
)
XY-V/XY-H
Z
)
XY cut @783MHz Vertical Horizontal
180 90 Y 0 X 270 XY-cut scanning direction
XZ-V/XZ-H
Y 180
XZ cut @783MHz Vertical Horizontal
90 Z 0
X 270
XZ-cut scanning direction
)
YZ-V/YZ-H X 180 90
Z
YZ cut @783MHz 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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