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001-01 / 20130901 / rf_balun_hhm1902b1_en.fm
• All specifications are subject to change without notice.
Multilayer Chip Baluns
For Bluetooth & 2.4GHz W-LAN
HHM Series HHM1902B1
SHAPES AND DIMENSIONS
RECOMMENDED PC BOARD PATTERNS
ELECTRICAL CHARACTERISTICS
Unbalanced impedance 50
Balanced impedance 50
Frequency range 2400 to 2500MHz
Unbalanced port return loss 10dB min.
Phase imbalance at balanced port 180±10deg.
Amplitude imbalance at balanced port 0±2.0dB
Insertion loss 0.8dB max.
Temperature range Operating –40 to +85°C
Storage –40 to +85°C
Conformity to RoHS Directive
Dimensions in mm
0.1±0.1
0.3±0.1
2
43
0.2±0.1
0.50max.
1.0±0.05
0.5±0.05
0.12±0.07
1
1 Unbalance
2 Balance
3 Balance
4 GND
Terminal functions
0.2
0.3
0.8
0.9
0.35
Dimensions in mm
0.2
•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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001-01 / 20130901 / rf_balun_hhm1902b1_en.fm
• All specifications are subject to change without notice.
FREQUENCY CHARACTERISTICS
Unbalance 50/Balance 50
RETURN LOSS
INSERTION LOSS
AMPLITUDE BALANCE
PHASE BALANCE
–40
2200 2300 2400 2500 2600 2700
–20
–25
–30
–35
–15
–10
–5
0
Return loss(dB)
Frequency(MHz)
1: 2400.0MHz
–27.58dB
2: 2450.0MHz
–28.22dB
3: 2500.0MHz
–28.38dB
123
2200 2300 2400 2500 2600 2700
Frequency(MHz)
1: 2400.0MHz
–0.30dB
2: 2450.0MHz
–0.29dB
3: 2500.0MHz
–0.29dB
–5.0
–2.0
–2.5
–3.0
–3.5
–4.0
–4.5
–1.5
–1.0
–0.5
0.0
Insertion loss(dB)
132
2200 2300 2400 2500 2600 2700
Frequency(MHz)
1: 2400.0MHz
–0.20dB
2: 2450.0MHz
0.05dB
3: 2500.0MHz
0.32dB
–5
1
0
–1
–2
–3
–4
2
3
4
5
Amplitude balance(dB)
13
2
2200 2300 2400 2500 2600 2700
Frequency(MHz)
1: 2400.0MHz
180.39deg.
2: 2450.0MHz
180.13deg.
3: 2500.0MHz
179.94deg.
160
180
170
190
200
Phase balance(deg.)
123
