TDK GSM/DCS/PCS-Tx Specifications

Multilayer Chip Dual-Band Directional Couplers
For GSM/DCS/PCS-Tx
HHM Series HHM2317B3
SHAPES AND DIMENSIONS
2.0±0.15 0.95±0.2
3 2 1
4 8
5 6 7
0.65±0.1 0.3±0.2
Dimensions in mm
0.2±0.2 0.35±0.1
CIRCUIT DIAGRAM
IN ( 2 ) IN ( 1 )
GND
3 2 1
Monitor
4
8 output
5 6 7
OUT ( 2 ) OUT ( 1 )
GND
RECOMMENDED PC BOARD PATTERNS
0.3
ø0.3
0.3
This width is 50Ω.
CPW for 0.6mm thick Teflon 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.
• All specifications are subject to change without notice.
Terminal functions
1 Band1 input port
2 GND
3 Band2 input port
4 50Ω termination
5 Band2 output port
6 GND
7 Band1 output port
8 Monitor output port
ø0.3
Dimensions in mm
Conformity to RoHS Directive
001-03 / 20080105 / e761_hhm2317b3.fm
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