TDK HHM1775B1, HHM Series User Manual
(1/2)
Multilayer Chip Baluns
For UWB
HHM Series HHM1775B1
SHAPES AND DIMENSIONS
1.6± 0.1
654
0.15±0.1
123
0.55± 0.1
0.1±0.1 0.25 ±0.1
RECOMMENDED PC BOARD PATTERNS
0.6± 0.1
0.3± 0.1
Dimensions in mm
0.250.250.3
0.8± 0.1
Terminal functions
1 Unbalanced port
2 GND or DC feed+ RF GND
3 Balanced port
4 Balanced port
5 GND
6 N.C.
0.950.15
Conformity to RoHS Directive
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 3100 to 4900MHz
Unbalanced port return loss 10dB min.
Phase imbalance at balanced port 180±15deg.
Amplitude imbalance at balanced port 0±1.5dB
Insertion loss 1.2dB 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.
001-01 / 20080106 / e751_hhm1775b1.fm
FREQUENCY CHARCTERISTICS
Unbalance 50Ω/Balance 100Ω
RETURN LOSS
0
–5
)
dB
–10
(
–15
–20
Return loss
–25
–30
2500 5500500040003500 45003000
1
Frequency(MHz
2
)
INSERTION LOSS
0
)
–0.5
dB
(
–1.0
–1.5
Insertion loss
–2.0
2500 5500500040003500 45003000
1
2
Frequency(MHz
)
3
3
1: 3100.0MHz
–14.93dB
2: 4000.0MHz
–19.67dB
3: 4900.0MHz
–21.25dB
1: 3100.0MHz
–0.79dB
2: 4000.0MHz
–0.58dB
3: 4900.0MHz
–0.68dB
AMPLITUDE BALANCE
2
)
dB
(
1
0
1
–1
Amplitude balance
–2
2500 5500500040003500 45003000
2
Frequency(MHz
PHASE BALANCE
200
)
190
deg.
(
180
170
Phase balance
160
2500 5500500040003500 45003000
1
Frequency(MHz
2
(2/2)
1: 3100.0MHz
0.14dB
2: 4000.0MHz
0.46dB
3: 4900.0MHz
–0.74dB
3
)
1: 3100.0MHz
178.42deg.
2: 4000.0MHz
178.08deg.
3: 4900.0MHz
181.28deg.
3
)
• All specifications are subject to change without notice.
001-01 / 20080106 / e751_hhm1775b1.fm
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