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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