TDK GSM/DCS/PCS-Tx - Manual
TDK GSM/DCS/PCS-Tx – Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.
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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 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)
GND
2
IN(1)
1
50
Ω
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.
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