(1/2)
Conformity to RoHS Directive
Multilayer Chip Dual-Band Directional Couplers
For GSM/DCS/PCS-Tx
HHM Series HHM2317B3
SHAPES AND DIMENSIONS
2.0 0.15
2
0.95 0.2
1
7
3
8
4
Terminal functions
1
2
3
4
5
6
7
8
Band1 input port
GND
Band2 input port
50Ω termination
Band2 output port
GND
5
6
0.65 0.1
0.3 0.2
Band1 output port
Monitor output port
Dimensions in mm
0.2 0.2 0.35 0.1
CIRCUIT DIAGRAM
( )
IN 2
( )
IN 1
1
GND
2
3
Monitor
8 output
4
5
6
7
( )
OUT 2
( )
GND OUT 1
RECOMMENDED PC BOARD PATTERNS
0.3
ø0.3
ø0.3
0.3
Dimensions in mm
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.
001-03 / 20080105 / e761_hhm2317b3.
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