0898CD15D1748 Datasheet, PDF (1/3 Pages) Johanson Technology Inc. – 898/1748 MHz Dual Band Directional Coupler

"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
0898CD15D1748
Band 1
Band 2
Frequency (MHz)
1710 - 1785
880- 915
Insertion Loss @ BW
0.50 dB max. 0.35 dB max.
Coupling
14 ± 1.5 dB
19 ± 1.0 dB
Band 1(IN) --> Band2(OUT) 25.5 dB min.
Band 1(IN) --> Band2(IN) 21.0 dB min.
Isolation Band 1(OUT) --> Band2(IN) 22.0 dB min.
Band 1(IN) --> Terminated 17.0 dB min.
Band 2(IN) --> Terminated 24.0 dB min.
VSWR
Band1/Band2(IN/OUT)
Terminated/Coupled Outputs
1.5 max.
1.8 max.
Mechanical Dimensions
In
mm
L 0.079 ± 0.004 2.00 ± 0.10 _a
W 0.049 ± 0.004 1.25 ± 0.10
T 0.033 ± 0.004 0.85 ± 0.10
a 0.012 ± 0.004 0.30 ± 0.10
L
b 0.008 ± 0.004 0.20 ± 0.10
c 0.012 ^+.004/-.008 0.30 ^+0.1/-0.2
g 0.014 ± 0.004 0.35 ± 0.10
p 0.026 ± 0.002 0.65 ± 0.05
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
W
c
a
p
g
Terminal Configuration
No. Function
1 Band 1 IN (Port1)
2
GND
3 Band 2 IN (Port 3)
4 Termination (Port 6)
5 Band 2 OUT (Port 4)
6
GND
7 Band 1 OUT (Port 2)
8 Coupling OUT (Port 5)
3
2
1
T
4
8
b
5
6
7
Mounting Considerations
Mount these devices with brown mark facing up.
Line width should provide 50Ω impedance matching characteristics.
Units: mm
0.65 0.35
1.0
0.3
5
0.15
Solder Resist
Land
Through-hole ( φ0.3)
1.0
0.65 _0.15
11.4
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