TDK HHM Series HHM2317B3 Leaflet
(1/2)
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
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)
OUT(1)
GND
2
IN(1)
1
1
50
Ω
Monitor
output
output
4
8
0.3
1.0
0.3
0.4
ø0.3
ø0.3
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.
specific bromine-based flame retardants, PBB and PBDE, have not been used, except for exempted applications.