JOHANSON 1575AT54A0010

"High Frequency Ceramic Solutions"
1.575 GHz Multilayer GPS Chip Antenna
P/N 1575AT54A0010
Page 1 of 5
Detail Specification: 10/30/08
General Specifications
Part Number
1575AT54A0010
Input Power
2W max.
Frequency Range
1570 - 1580 Mhz
Impedance
50 Ω
Peak Gain
1.3 dBi typ. (YZ-Total)
Reel Quanity
500
Average Gain
-0.7 dBi typ. (YZ-Total)
Operating Temperature
-40 to +85°C
Return Loss
9.5 dB min.
Bulk
Packaging
Style
P/N
Suffix Termination
Style
Storage Temperature
Suffix = S
Eg. 1575AT54A0010S
Terminal Configuration
No.
Function
1
Feed Point
2
GND
3
NC
4
GND
T&R
Suffix = E
Eg. 1575AT54A0010E
100% Tin
Suffix = None
Eg. 1575AT54A0010(E or S)
Tin / Lead
Please consult Factory
Mechanical Dimensions
In
mm
L
0.591 ± 0.008
15.00 ± 0.20
W
0.157 ± 0.008
4.00 ± 0.20
T
0.126 ± 0.008
3.20 ± 0.20
a
0.039 ± 0.008
1.00 ± 0.20
a1
0.020 ± 0.008
0.50 ± 0.20
b
0.020 ± 0.008
0.50 ± 0.20
c
0.236 ± 0.008
6.00 ± 0.20
+5 to +35°C, Humidity:
45-75%RH, 12 mos. Max
a
a
a
b
3
W
c
2
c
4
T
L
a1
a
1
a1
T
L
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"
1.575 GHz Multilayer GPS Chip Antenna
P/N 1575AT54A0010
Page 2 of 5
Detail Specification: 10/30/08
Mounting Considerations
Matching circuit and component values will be different, depending on PCB layout
*Line width should be designed to provide 50 Ω impedance matching characteristics.
a) Without Matching Circuits
)
1.5
No Ground
0.5
Feeding line
5.8
0.7
1.5
2.6
1.2
0 Ohm
1.4
Ground
)
)
)
)
)
GND Via
5.8
)
0.5
1.5
4
0.5
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"
1.575 GHz Multilayer GPS Chip Antenna
P/N 1575AT54A0010
Page 3 of 5
Detail Specification: 10/30/08
Return Loss - Without Matching Circuits
0
m1
freq=1.570GHz
dB(S(1,1))=-18.667
m2
freq=1.580GHz
dB(S(1,1))=-16.375
dB(S(1,1))
-10
)
m3
freq=1.575GHz
dB(S(1,1))=-26.496
m2
m1
-20
m3
-30
1.0
1.2
1.4
1.6
1.8
2.0
freq, GHz
)
)
)
)
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"
1.575 GHz Multilayer GPS Chip Antenna
P/N 1575AT54A0010
Page 4 of 5
Detail Specification: 10/30/08
Typical Electrical Characteristics (T=25oC)
Antenna
Test Board - Top-View (units in mm):
)
)
)
)
)
)
6
)
15.5
)
Feeding line
Matching circuits
50
No Ground (Yellow area)
34.5
Ground
100
6
Test Board - Bottom-View (units in mm):
15.5
)
No Ground (Yellow area)
50
34.5
Ground
100
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"
1.575 GHz Multilayer GPS Chip Antenna
P/N 1575AT54A0010
Page 5 of 5
Detail Specification: 10/30/08
Typical Radiation Patterns
)
)
)
XY-V/XY-H
)
)
XY cut @1.575GHz
Vertical
Horizontal
Z
)
)
180°
)
X
270°
90°
Y
0°
XZ-V/XZ-H
XY-cut scanning direction
XZ cut @1.575GHz
Vertical
Horizontal
Y
180°
X
90°
270°
Z
0°
XZ-cut scanning direction
)
YZ cut @1.575GHz
Vertical
Horizontal
YZ-V/YZ-H X
180°
Y
90°
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
2008 Johanson Technology, Inc. All Rights Reserved