TDK WiMAX HHM Series HHM1715E1 Specifications
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001-02 / 20080106 / e751_hhm1715e1.fm
• All specifications are subject to change without notice.
Multilayer Chip Baluns
For WiMAX
HHM Series HHM1715E1
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
654
123
Dimensions in mm
0.55±0.1
1 Unbalanced port
2 GND or DC feed+ RF GND
3 Balanced port
4 Balanced port
5 GND
6 N.C.
Terminal functions
CIRCUIT DIAGRAM
123
564
Unbalanced
input
50
Ω
Balanced
output
100Ω
RECOMMENDED PC BOARD PATTERNS
0.250.250.3
0.5
0.5
0.85
0.2
0.3
0.950.15
ø0.3 Through-hole
Unbal port Bal port
Dimensions in mm
Land
Line width be designed to match 50Ω characteristic impedance depending on
PCB material and thickness.
ELECTRICAL CHARACTERISTICS
Unbalanced impedance 50Ω
Balanced impedance 100Ω
Frequency range 00 to 33 3900MHz
Unbalanced port return loss 10dB min.
Phase imbalance at balanced port 180±15deg
Amplitude imbalance at balanced port 0±1.2dB
Insertion loss 1.0dB max.
Powe r capacity 0.5W 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.
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001-02 / 20080106 / e751_hhm1715e1.fm
• All specifications are subject to change without notice.
FREQUENCY CHARCTERISTICS
Unbalance 50Ω/Balance 100Ω
RETURN LOSS
–30
2500 450035003000 4000
–20
–25
–15
–10
–5
0
Return loss
(
dB
)
Frequency(MHz
)
1: 3300.0MHz
–18.82dB
2: 3600.0MHz
–20.13dB
3: 3900.0MHz
–19.45dB
1
2
3
INSERTION LOSS
2500 450035003000 4000
Frequency(MHz
)
1: 3300.0MHz
–0.65dB
2: 3600.0MHz
–0.63dB
3: 3900.0MHz
–0.64dB
–2.0
–1.0
–1.5
–0.5
0
Insertion loss
(
dB
)
1
2
3
AMPLITUDE BALANCE
2500 450035003000 4000
Frequency(MHz
)
1
2
–2
–1
0
Amplitude balance
(
dB
)
2
1
3
1: 3300.0MHz
0.28dB
2: 3600.0MHz
0.48dB
3: 3900.0MHz
0.49dB
PHASE BALANCE
2500 450035003000 4000
Frequency(MHz
)
1: 3300.0MHz
178.29deg.
2: 3600.0MHz
178.25deg.
3: 3900.0MHz
177.98deg.
160
170
180
190
200
Phase balance
(
deg.
)
1
2
3
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