TDK HHM Series HHM2317B3 - Manual

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001-03 / 20080105 / e761_hhm2317b3.fm
• All specifications are subject to change without notice.
Multilayer Chip Dual-Band Directional Couplers
For GSM/DCS/PCS-Tx
HHM Series HHM2317B3
SHAPES AND DIMENSIONS
CIRCUIT DIAGRAM
RECOMMENDED PC BOARD PATTERNS
This width is 50 Ω.
CPW for 0.6mm thick Teflon substrate.
Conformity to RoHS Directive
0.95 ±0.2
1.25
±
0.15
0.3 ±0.2
0.2 ±0.2 0.35±0.1
2.0 ±0.15
3
4 8
2 1
5 6 7
0.25
±
0.2
Dimensions in mm
0.65 ±0.1
1 Band1 input port
2 GND
3 Band2 input port
4 50 Ω termination
5 Band2 output port
6 GND
7 Band1 output port
8 Monitor output port
Terminal functions
IN(2)
3
5
OUT(2)
6
GND
7
OUT(1)
GND
2
IN(1)
1
50
Ω
Monitor
output
4
8
0.3
1.0
0.3
0.4
ш0.3
ш0.3
Dimensions in mm
• 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.