TDK GSM/DCS/PCS-Tx Network Card User Manual


  Open as PDF
of 2
 
(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
HHM Series HHM2317B3
SHAPES AND DIMENSIONS
CIRCUIT DIAGRAM
RECOMMENDED PC BOARD PATTERNS
This width is 50Ω.
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
21
567
0.25±0.2
Dimensions in mm
0.65±0.1
1 Band1 input port
2 GND
3 Band2 input port
450Ω 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
50Ω
Monitor
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.