(1/2)
Multilayer Chip Baluns
For WiMAX
HHM Series HHM1715E1
SHAPES AND DIMENSIONS
1.6± 0.1
654
123
0.55± 0.1
0.1±0.1 0.25 ±0.1
CIRCUIT DIAGRAM
Unbalanced
input
50
Ω
0.6± 0.1
0.8± 0.1
0.3± 0.1
Dimensions in mm
564
Balanced
output
100Ω
123
Terminal functions
1 Unbalanced port
2 GND or DC feed+ RF GND
3 Balanced port
4 Balanced port
5 GND
6 N.C.
Conformity to RoHS Directive
RECOMMENDED PC BOARD PATTERNS
0.950.15
0.250.250.3
0.5
0.85
0.2
0.5
Unbal port Bal port
Line width be designed to match 50Ω characteristic impedance depending on
PCB material and thickness.
0.3
ø0.3 Through-hole
Land
Dimensions in mm
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
Packaging style and quantities 4000pieces/reel
Operating –40 to +85°C
Storage –40 to +85°C
• 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.
• All specifications are subject to change without notice.
001-02 / 20080106 / e751_hhm1715e1.fm
FREQUENCY CHARCTERISTICS
Unbalance 50Ω/Balance 100Ω
RETURN LOSS
0
–5
)
dB
–10
(
–15
–20
Return loss
–25
–30
2500 450035003000 4000
1
2
Frequency(MHz
3
)
INSERTION LOSS
0
)
–0.5
dB
(
–1.0
–1.5
Insertion loss
–2.0
2500 450035003000 4000
2
1
Frequency(MHz
3
)
1: 3300.0MHz
–18.82dB
2: 3600.0MHz
–20.13dB
3: 3900.0MHz
–19.45dB
1: 3300.0MHz
–0.65dB
2: 3600.0MHz
–0.63dB
3: 3900.0MHz
–0.64dB
AMPLITUDE BALANCE
2
)
dB
(
1
0
–1
Amplitude balance
–2
2500 450035003000 4000
1
Frequency(MHz
PHASE BALANCE
200
)
190
deg.
(
180
170
Phase balance
160
2500 450035003000 4000
1
Frequency(MHz
(2/2)
1: 3300.0MHz
0.28dB
2: 3600.0MHz
0.48dB
3
2
)
2
3
)
3: 3900.0MHz
0.49dB
1: 3300.0MHz
178.29deg.
2: 3600.0MHz
178.25deg.
3: 3900.0MHz
177.98deg.
• All specifications are subject to change without notice.
001-02 / 20080106 / e751_hhm1715e1.fm