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001-02 / 20080105 / e761_hhm2241sa1.fm
• All specifications are subject to change without notice.
Multilayer Chip Directional Couplers
For 2.4GHz W-LAN
HHM Series HHM2241SA1
SHAPES AND DIMENSIONS
CIRCUIT DIAGRAM
RECOMMENDED PC BOARD PATTERNS
ELECTRICAL CHARACTERISTICS
∗1
25°C
∗2
Operating temperature
Frequency range 2400 to 2500MHz
Coupling factor –12.0±1.0dB
Insertion loss
0.45dB max.
∗1
0.50dB max.
∗2
Isolation 22dB min.
VSWR 1.5 max.
Temperature range
Operating –40 to +85°C
Storage –40 to +85°C
Conformity to RoHS Directive
0.6±0.1
0.8±0.1
0.3±0.1
0.1±0.1
1.6±0.1
654
123
0.15±0.1
Dimensions in mm
0.55±0.1
1 Input
2 GND
3 Output
450Ω load
5 GND
6 Monitor output
Terminal functions
IN
OUT
6
GND
GND
50
Ω
54
13
2
Monitor
output
0.3
0.25
0.25
0.6 0.3
0.6
ø0.3 Through-hole
Dimensions in mm
0.7
0.3
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.