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High Frequency Ceramic Solutions
1575 MHz GPS Antenna
Detail Specification: 11/04/09 General Specifications
Part Number Antenna Center Frequency Peak Gain Average Gain Return Loss Impedance Total Center Frequency Peak Gain Average Gain Impedance 1575.42 MHz 15.0 dBi typ. (YZ-total) 13.0 dBi typ. (YZ-total) 50
)
P/N 1575AM55B0001
Page 1 of 5
1575AM55B0001
Low Noise Amplifier Center Frequency (MHz) Gain (dB) 1575.42 5 MHz 15.0 typ. / 14 min. 0.8 typ. / 0.9 max 7.36 dB min. 2.5 - 5.5 V 6.5 typ. / 10 max. 50 -40 to +85C +5 to +35C Hum. 45 to 75%RH
-25dBm max (316mW max)
1575.42 5 MHz 1.3 dBi typ. (YZ-total) -0.7 dBi typ. (YZ-total) 9.5 dB min. 50
Noise (dB) Return Loss Voltage Current (mA @ 3.3V) Impedance Operating Temp Storage Temp Storage Peroid Power Capacity Reel Quantity
1000
In
L L1 L2 W 0.669 0.012 0.425 0.012 0.244 0.012 0.535 0.012
mm
17.00 0.30 10.80 0.30 6.20 0.30 13.60 0.30 6.10 0.30 7.50 0.30 3.60 0.30 1.00 0.15 1.00 0.15 0.38 0.15 L W
L W1 L2 W2
Terminal Configuration
No. 1 2 9
Function ANT-OUT LNA-RF-IN DC-IN / RF-OUT GND
W1 0.240 0.012 W2 0.295 0.012 T a c s 0.142 0.012 0.039 0.006 0.039 0.006 0.015 0.006
All Others
T c s
1 2 3 4
... 9
8765
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
High Frequency Ceramic Solutions
1575 MHz GPS Antenna
Detail Specification: 11/04/09 Mounting Considerations
Mount these devices with brown mark facing up. Units: mm *Line width should be designed to provide 50 impedance matching characteristics.
) ) ) )
P/N 1575AM55B0001
Page 2 of 5
1575AM55B0001
50 Ohm Feed Line
)
)
)
)
* * *
6.15
GPS Module No Ground
20mm
0.37 0.62 1 0.62
Ground
Feeding line
No Ground 16.5mm
*
15.60
4.5mm
Beneath the Module
0 Ohm
0.62 0.5 0.37 0.37 4.7 nH 2.0pF
Unit in mm Antenna Matching Circuits 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
High Frequency Ceramic Solutions
1575 MHz GPS Antenna
Detail Specification: 11/04/09 Land Pattern (units in mm)
0.57
) ) )
P/N 1575AM55B0001
Page 3 of 5
1.15
0.38
1.15
0.38
1.15
0.38
)
1.15
0.32 1.0
No ground
)
)
)
0.13 1.15 0.25 1.40 0.25 1.15 0.38 1.15 0.38 1.15 0.57 1.15 1.0 1.0 1.15 1.15 1.33 0.13
Ground 20mm
50 Ohm Feed Line
)
* * *
No Ground 16.5mm Beneath the Module 4.5mm GPS Module
0.37
1
*
Ground
9.00
1.10 1.33
)
0.38
0.25
0.25
Pi-model matching circuits
5.19
1.0 1.15 : Solder Pad 0.38 1.15 1.15 0.38
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
High Frequency Ceramic Solutions
1575 MHz GPS Antenna
Detail Specification: 11/04/09
P/N 1575AM55B0001
Page 4 of 5
Typical Electrical Characteristics (T=25oC)
1575AM55B0001
) ) )
Test Board Top View
37mm adhesive required, soldering 10.5mm No will suffice
)
)
)
)
50 Ohm Feed Line
)
* * *
0 Ohm
GPS Module
20mm
50m
Ground
50 Feed Line
16.5mm 4.5mm
Antenna No Matching Ground Circuits Beneath the Module
Johanson Technology, Inc. reserves the right to make design changes without notice. All sales are subject to Johanson Technology, Inc. terms and conditions. Ground
Test Board Bottom View
100mm 15.60
)
6.15 No Ground 50m
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
High Frequency Ceramic Solutions
1575 MHz GPS Antenna
Detail Specification: 11/04/09
P/N 1575AM55B0001
Page 5 of 5
Typical Radiation Patterns
) ) )
XY-V/XY-H
) ) )
Z 180
XY cut @1.575GHz Vertical Horizontal
) )
90 Y 0
X 270 XY-cut scanning direction
XZ-V/XZ-H
Y 180
XZ cut @1.575GHz Vertical Horizontal
90 Z 0
X 270
XZ-cut scanning direction
)
YZ-V/YZ-H X 180 Y 270
Z
YZ cut @1.575GHz Vertical Horizontal
90 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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