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001-02 / 20080105 / e761_hhm2409.fm
• All specifications are subject to change without notice.
Multilayer Chip Directional CouplersFor DCS/TxHHM 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
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
1.00.4 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