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 +85°C
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 50Ω 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=25
o
C)
Test Board:
)
Groun
)
50Ω 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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