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"High Frequency Ceramic Solutions"
1.57 GHz Antenna
Detail Specification: 10/27/09
P/N 1575AT47A0040
Page 1 of 6
General Specifications
Part Number Frequency Range Peak Gain Average Gain Return Loss 1575AT47A0040 1555 - 1595 Mhz -1.0 dBi typ. (XZ-V) -3.0 dBi typ. (XZ-V) 9.5 dB min. Input Power Impedance Operating Temperature Reel Quanity
No.
3W max. 50 -40 to +85 C 1,000
Terminal Configuration
Function INPUT
1 2
1
2
NC
Mechanical Dimensions
L W T a 0.394 0.118 0.030 0.030 In mm 0.008 10.00 0.20 0.008 3.00 0.20 0.77 0.20 0.008 0.008 0.75 0.20
W T a L
Mounting Considerations (Close Up)
Mount these devices with brown mark facing up. Units: mm * Line width should be designed to provide 50 impedance matching characteristics.
)
With Matching Circuit (Horizontal Mounting Situation)
)
With Matching Circuit (Vertical Mounting Situation) 11.5mm 8.5mm
0.5mm
5.6nH 3mm 1.5pF
JTI P/N for Matching Circuit: Cap (1.5pF): 500R07S1R5BV4T Inductor (5.6nH): L-07C5N6SV4T
JTI P/N for Matching Circuit: Cap (1.5pF): 500R07S1R5BV4T Inductor (3.3nH): L-07C3N3SV6T
(Matching components, if used, will vary in value depending on PCB layout) 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"
1.57 GHz Antenna
Detail Specification: 10/27/09
P/N 1575AT47A0040
Page 2 of 6
Mounting Considerations
)
)
)
Test Board (Vertical)
) ) ) )
40mm
)
13mm
50
Feed Line
Matching Circuit 20mm
Antenna
Ground
15mm
No Ground
Test Board (Horizontal)
50 Feed Line Ground 23.3mm
)
Matching Circuit
8mm
20mm 12mm
No Ground
Antenna 40mm 5mm 12mm 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"
1.57 GHz Antenna
Detail Specification: 10/27/09
P/N 1575AT47A0040
Page 3 of 6
Typical Electrical Characteristics (T=25oC)
Return Loss
) ) ) ) ) ) )
Vertical Test Board (without matching components)
)
Vertical Test Board (with matching components)
)
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"
1.57 GHz Antenna
Detail Specification: 10/27/09
P/N 1575AT47A0040
Page 4 of 6
Typical Electrical Characteristics (T=25oC)
Return Loss
) ) ) ) ) )
Horizontal Test Board (without matching components)
)
)
Horizontal Test Board (with matching components)
)
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"
1.57 GHz Antenna
Detail Specification: 10/27/09
P/N 1575AT47A0040
Page 5 of 6
Typical Radiation Patterns (Vertical Test Board)
) ) )
)
)
)
)
)
)
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"
1.57 GHz Antenna
Detail Specification: 10/27/09
P/N 1575AT47A0040
Page 6 of 6
Typical Radiation Patterns (Horizontal Test Board)
) ) )
)
)
)
)
XY-V/XY-H
Z
)
XY cut @1.575GHz Vertical Horizontal
180 90 Y 0 XY-cut scanning direction X 270
XZ-V/XZ-H
Y 180 X 270
XZ cut @1.575GHz Vertical Horizontal
90
Z
0
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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