"High Frequency Ceramic Solutions"
898/1748 MHz Dual Band Directional Coupler
Detail Specification: 10/01/03
P/N 0898CD15D1748
Page 1 of 3
General Specifications
Part Number
Frequency (MHz)
Insertion Loss @ BW
Coupling
0898CD15D1748
Band 1
1710 - 1785
0.50 dB max.
14 ± 1.5 dB
Band 2
880- 915
0.35 dB max.
19 ± 1.0 dB
25.5
21.0
22.0
17.0
24.0
dB min.
dB min.
dB min.
dB min.
dB min.
1.5 max.
1.8 max.
Terminal Configuration
No.
Power Capacity Band 1
Power Capacity Band 2
Impedance
Operating & Storage Temp.
Reel Quanity
1.5 Watts max.
3.2 Watts max.
50
Ω
-40 to +85°C
4,000
Band 1(IN) --> Band2(OUT)
Band 1(IN) --> Band2(IN)
Isolation
Band 1(OUT) --> Band2(IN)
Band 1(IN) --> Terminated
Band 2(IN) --> Terminated
Band1/Band2(IN/OUT)
Terminated/Coupled Outputs
Function
Band 1 IN (Port1)
GND
Band 2 IN (Port 3)
VSWR
1
2
3
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
L
a
p
a
W
4
Termination (Port 6)
5
Band 2 OUT (Port 4)
6
8
GND
Coupling OUT (Port 5)
3
T
b
c
7
Band 1 OUT (Port 2)
2
1
8
5
6
7
4
Mounting Considerations
Mount these devices with brown mark facing up.
Line width should provide 50
Ω
impedance matching characteristics.
Units: mm
0.65
0.35
Solder Resist
1.0
0.3
5
0.15
Land
Through-hole (
φ0.3)
1.0
0.65
1
1.4
0.15
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
JOHANSON [ JOHANSON TECHNOLOGY INC. ]
