"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
±
±
±
±
0.008 10.00
0.008
3.00
0.77
0.008
0.008
0.75
mm
± 0.20
± 0.20
± 0.20
± 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=25
o
C)
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=25
o
C)
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
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