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001-02 / 20080105 / e761_hhm2411.fm
• All specifications are subject to change without notice.
Multilayer Chip Directional Couplers
For PCS/Tx
HHM Series HHM2411
SHAPES AND DIMENSIONS
CIRCUIT DIAGRAM
RECOMMENDED PC BOARD PATTERNS
ELECTRICAL CHARACTERISTICS
∗1
25°C
∗2
Operating temperature
Frequency range 1850 to 1910MHz
Coupling factor –14.5±1.0dB
Insertion loss
0.35dB max.
∗1
0.40dB max.
∗2
Isolation 20dB min.
VSWR 1.4 max.
Temperature range
Operating –40 to +85°C
Storage –40 to +85°C
Conformity to RoHS Directive
0.95±0.1
1.25±0.15
0.65±0.2 0.3±0.2
0.2±0.2 0.35±0.2
2.0±0.15
654
123
0.25±0.2
Dimensions in mm
1 Input
2 GND
3 Output
450Ω load
5 GND
6 Monitor output
Terminal functions
IN
OUT
6
GND
GND
50Ω
54
13
2
Monitor
output
0.3
0.35
0.35
1.0 0.4
1.0
ø0.3 Through-hole
Dimensions in mm
0.7
0.4
This width is 50Ω.
Micro-strip line for 0.4mm thick
glass-epoxy substrate.
• Conformity to RoHS Directive: This means that, in conformity with EU Directive 2002/95/EC, lead, cadmium, mercury, hexavalent chromium, and
specific bromine-based flame retardants, PBB and PBDE, have not been used, except for exempted applications.
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001-02 / 20080105 / e761_hhm2411.fm
• All specifications are subject to change without notice.
FREQUENCY CHARACTERISTICS
COUPLING
INSERTION LOSS
ISOLATION
VSWR
–30
1500 20001800 190017001600
–20
–10
0
Coupling factor
(
dB
)
Frequency(MHz
)
1: 1850MHz
–14.4dB
2: 1910MHz
–14.1dB
1
2
–40
–1
–0.8
–0.4
–0.6
–0.2
0
Insertion loss
(
dB
)
Frequency(MHz
)
1: 1850MHz
–0.16dB
2: 1910MHz
–0.17dB
1
2
1500 20001800 190017001600
Isolation
(
dB
)
Frequency(MHz
)
1: 1850MHz
–27.2dB
2: 1910MHz
–26.9dB
–50
1500 20001800 190017001600
–40
–30
–20
–10
0
–60
1
2
1.2
1.4
1.6
1.8
1.0
1500 1600 20001800 19001700
2.0
VSWR
(
dB
)
Frequency(MHz
)
1: 1850MHz
1.15dB
2: 1910MHz
1.16dB
2
1
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