TDK HHM Series HHM2409 - Manual

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001-02 / 20080105 / e761_hhm2409.fm
• All specifications are subject to change without notice.
Multilayer Chip Directional Couplers
For DCS/Tx
HHM Series HHM2409
SHAPES AND DIMENSIONS
CIRCUIT DIAGRAM
RECOMMENDED PC BOARD PATTERNS
ELECTRICAL CHARACTERISTICS
∗1 25°C
∗2 Operating temperature
Frequency range 1710 to 1785MHz
Coupling factor –15.0±1.0dB
Insertion loss
0.30dB max. ∗1
0.35dB max. ∗2
Isolation 20dB min.
VSWR 1.3 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
6 5 4
1 2 3
0.25
±
0.2
Dimensions in mm
1 Input
2 GND
3 Output
4 50 Ω load
5 GND
6 Monitor output
Terminal functions
IN OUT
6
GND
GND
50 Ω
5 4
1 3 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 50 Ω.
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.