Multilayer Chip Directional Couplers
For 2.4GHz W-LAN
HHM Series HHM2245SA1
SHAPES AND DIMENSIONS
1.6±0.1
0.6±0.1
6
5
4
1
2
3
0.55±0.1
0.3±0.1
Dimensions in mm
0.1±0.1
CIRCUIT DIAGRAM
50Ω
Monitor
GND
output
6
5
4
2
1
3
IN
OUT
GND
RECOMMENDED PC BOARD PATTERNS
0.25
0.25
This width is 50Ω.
Micro-strip line for 0.4mm thick
glass-epoxy substrate.
0.3
0.3
ø0.3 Through-hole
ELECTRICAL CHARACTERISTICS
Frequency range
Coupling factor
Insertion loss
Isolation
VSWR
Operating
Temperature range
Storage
∗1
25°C
∗2
Operating temperature
•
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.
• All specifications are subject to change without notice.
Terminal functions
1
Input
2
GND
3
Output
4
50Ω load
5
GND
6
Monitor output
Dimensions in mm
2400 to 2500MHz
–16.0±1.0dB
∗1
0.35dB max.
∗2
0.40dB max.
25dB min.
1.3 max.
–40 to +85°C
–40 to +85°C
Conformity to RoHS Directive
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