(1/2)
Multilayer Chip Baluns
For WiMAX
HHM Series HHM1711E1
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
0.25
0.25
This width is 50Ω.
Micro-strip line for 0.4mm thick
glass-epoxy substrate.
0.7
654
123
0.3
0.3
ø0.3 Through-hole
Dimensions in mm
0.6
0.6 0.3
ELECTRICAL CHARACTERISTICS
Unbalanced impedance 50Ω
Balanced impedance 100Ω
Frequency range 300 to 22 700MHz
Unbalanced port return loss 10dB min.
Phase imbalance at balanced port 180±12deg
Amplitude imbalance at balanced port 0±1.5dB
Insertion loss 1.2dB 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_hhm1711e1.fm
FREQUENCY CHARACTERISTICS
Unbalance 50Ω/Balance 100Ω
RETURN LOSS
0
–5
)
–10
dB
(
–15
–20
–25
–30
Return loss
–35
–40
2000 2200 23002100 2400 2500 2600 2700 2800 2900 3000
1
2
Frequency(MHz
3
)
1: 2300.0MHz
–14.11dB
2: 2500.0MHz
–15.68dB
3: 2700.0MHz
–14.58dB
AMPLITUDE BALANCE
5
)
4
dB
3
(
2
1
0
–1
–2
–3
–4
Amplitude balance
–5
2000 2200 23002100 2400 2500 2600 2700 2800 2900 3000
1
Frequency(MHz
3
2
)
1: 2300.0MHz
–0.21dB
2: 2500.0MHz
0.14dB
3: 2700.0MHz
0.34dB
(2/2)
INSERTION LOSS
0.0
–0.5
)
–1.0
dB
–1.5
(
–2.0
–2.5
–3.0
–3.5
–4.0
Insertion loss
–4.5
–5.0
2000 2200 23002100 2400 2500 2600 2700 2800 2900 3000
2
1
Frequency(MHz
PHASE BALANCE
1: 2300.0MHz
3
)
–0.72dB
2: 2500.0MHz
–0.65dB
3: 2700.0MHz
–0.70dB
200
)
190
deg.
(
180
170
Phase balance
160
2000 2200 23002100 2400 2500 2600 2700 2800 2900 3000
1
Frequency(MHz
3
2
)
1: 2300.0MHz
176.16deg.
2: 2500.0MHz
177.10deg.
3: 2700.0MHz
179.18deg.
• All specifications are subject to change without notice.
001-02 / 20080106 / e751_hhm1711e1.fm