TDK HHM Series HHM1791A1 - Manual
TDK HHM Series HHM1791A1 – 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.
(1/2)
002-01 / 20080520 / e751_hhm1791a1.fm
• All specifications are subject to change without notice.
Multilayer Chip Baluns
For WiMAX
HHM Series HHM1791A1
SHAPES AND DIMENSIONS
0.6
±
0.1
0.8
±
0.1
0.3
±
0.1
0.1
±
0.1 0.25
±
0.1
1.6
±
0.1
6
5
4
1
2
3
Dimensions in mm
0.55
±
0.1
1
N.C.
2
GND
3
Balanced port
4
Balanced port
5
GND
6
Unbalanced port
Terminal functions
CIRCUIT DIAGRAM
1
2
3
5
6
4
Unbalanced
input
50
Ω
Balanced
output
100
Ω
RECOMMENDED PC BOARD PATTERNS
0.3
0.25
0.25
0.6
0.3
0.6
ø0.3 Through-hole
Dimensions in mm
0.7
0.3
6
5
4
1
2
3
This width is 50
Ω
.
Micro-strip line for 0.4mm thick
glass-epoxy substrate.
ELECTRICAL CHARACTERISTICS
Unbalanced impedance
50
Ω
Balanced impedance
100
Ω
Frequency range
500 to 2
2
700MHz
Unbalanced port return loss
10dB min.
Phase imbalance at balanced port
180±10deg
Amplitude imbalance at balanced port
0±2.2dB
Insertion loss
0.8dB max.
Temperature range
Operating
–40 to +85°C
Storage
–40 to +85°C
Packaging style and quantities
4000pieces/reel
Conformity to RoHS Directive
•
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.
"Loading the manual" means you need to wait until the file loads and becomes available for online reading. Some manuals are very large, and the time they take to appear depends on your internet speed.