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Preliminary
"High Frequency Ceramic Solutions"
Small form factor
2 GHz Antenna
P/N 2000AT18A0075
Page 1 of 3
Detail Specification: 03/04/09
General Specifications
Part Number Frequency Range Peak Gain Average Gain Return Loss 2000AT18A0075 1965 - 2040 Mhz 0.3 dBi typ. (XZ-V) -3 dBi typ. (XZ-V) 9.5 dB min.
No.
Input Power VSWR Operating Temperature Reel Quanity Function Feeding Point NC
2
2 Watts max. 2 max -40 to +85C 3000
Terminal Configuration 1
1 2
Mechanical Dimensions
In L 0.126 0.008 W 0.063 0.008 T 0.051 0.008 a 0.020 0.012 mm 3.20 0.20 1.60 0.20 1.30 0.20 0.50 0.30
a W L T
Mounting Considerations
Mount these devices with brown mark facing up. Units: mm *Line width should be designed to provide 50 impedance matching characteristics.
0.8
Johanson Test Board
2.6 1.6
5.6nH
10nH
10nH
4.2
GND plane
*
GND plane
1.
Units:mm
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 2000AT18A0075
Page 2 of 3
2 GHz Antenna
Detail Specification: 03/04/09
Typical Electrical Characteristics (T=25oC) Test Board:
)
Groun
)
50 Feed 19mm
13.5mm
Matching Circuit
No 6.5mm Antenn 39.5m 4mm 6.5m
Return Loss with matching circuit
0
-10 dB(S(1,1))
mm 12
)
m 1 freq=1.965GH z dB(S(1,1))=-10.474 m 2 freq=2.040GH z dB(S(1,1))=-10.620 m 3 freq=2.000GH z dB(S(1,1))=-24.362
-20 m 3
-30 1.0
1.5
2.0 freq, GHz
2.5
3.0
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 2000AT18A0075
Page 2 of 3 Typical Radiation Patterns
2 GHz Antenna
Detail Specification: 03/04/09
)
) )
)
XY-V/XY-H
)
XY cut @2GHz Vertical Horizontal
)
Z 180
)
)
90 Y 0
X 270
XY-cut scanning direction
XZ-V/XZ-H Y 180
XZ cut @2GHz Vertical Horizontal
90
X 270 Z 0
XZ-cut scanning direction
YZ-V/YZ-H
)
X 180
YZ cut @2GHz Vertical Horizontal
90
Y 270
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 2009 Johanson Technology, Inc. All Rights Reserved

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