"High Frequency Ceramic Solutions"
1748 MHz Directional Coupler
Detail Specification: 07/07/05
P/N 1748CP15A075
Page 1 of 3
General Specifications
Part Number
Frequency (MHz)
Insertion Loss
Return Loss
Coupling
Isolation
Termination
Style
1748CP15A075
1710 - 1785
0.5 dB max.
14.0 dB min.
20 ± 1.0 dB
25.0 dB min.
Terminal Configuration
Impedance
Input Power
Operating Temperature
Storage Temperature
Reel Quanity
50
Ω
3 Watt max.
-40 to +85°C
-40 to +85°C
4,000
100% Tin
Tin / Lead
Suffix = "None"
Suffix = "/Pb"
eg. 1748CP15A075
eg. 1748CP15A075/Pb
No.
Function
IN
GND
Main Out
Termination
GND
Coupled Out
3
2
1
1
2
3
4
5
6
Mechanical Dimensions
In
L
0.079 ± 0.004
W
0.049 ± 0.004
T
0.033 ± 0.004
0.012 ± 0.004
b
0.008 ± 0.004
c
0.012
+.004/-.008
a
g
0.014 ± 0.004
p
0.026 ± 0.002
mm
2.00 ± 0.10
1.25 ± 0.10
0.85 ± 0.10
0.30 ± 0.10
0.20 ± 0.10
0.30
+0.1/-0.2
0.35 ± 0.10
0.65 ± 0.05
g
b
L
a
p
c
W
T
4
5
6
Mounting Considerations
Mount these devices with brown mark facing up.
* Line width should be designed to provide 50 ohm impedance, depending on PCB material and thickness
Units: mm
Solder Resist
Land
Through-hole
(φ0.3)
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
931 Via Alondra • Camarillo, CA 93012 • TEL 805.389.1166 FAX 805.389.1821
2003 Johanson Technology, Inc. All Rights Reserved
"High Frequency Ceramic Solutions"
1748 MHz Directional Coupler
Detail Specification: 07/07/05
P/N 1748CP15A075
Page 2 of 3
Typical Electrical Performance (T=25°C)
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Coupling and Isolation
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Isolation
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Coupling
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Return Loss
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Port 4
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Port 1
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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
931 Via Alondra • Camarillo, CA 93012 • TEL 805.389.1166 FAX 805.389.1821
2003 Johanson Technology, Inc. All Rights Reserved
"High Frequency Ceramic Solutions"
1748 MHz Directional Coupler
Detail Specification: 07/07/05
P/N 1748CP15A075
Page 3 of 3
Typical Electrical Performance (T=25°C)
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)
)
)
Insertion Loss
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)
)
)
)
)
Return Loss
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
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
931 Via Alondra • Camarillo, CA 93012 • TEL 805.389.1166 FAX 805.389.1821
2003 Johanson Technology, Inc. All Rights Reserved
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