TDK HHM Series HHM1763B2 Specifications
(1/2)
001-01 / 20080106 / e751_hhm1763b2.fm
• All specifications are subject to change without notice.
Multilayer Chip Baluns
For EGSM/Tx & Rx
HHM Series HHM1763B2
SHAPES AND DIMENSIONS
CIRCUIT DIAGRAM
RECOMMENDED PC BOARD PATTERNS
ELECTRICAL CHARACTERISTICS
Unbalanced impedance 50Ω
Balanced impedance 150Ω
Frequency range 880 to 960MHz
Unbalanced port return loss 10dB min.
Phase imbalance at balanced port 180±10deg.
Amplitude imbalance at balanced port 0±1.0dB
Insertion loss 1.4dB max.
Temperature range
Operating –40 to +85°C
Storage –40 to +85°C
Packaging style and quantities 4000pieces/reel
Conformity to RoHS Directive
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
123
564
Unbalanced
input
50
Ω
Balanced
output
150Ω
0.3
0.25
0.25
0.6 0.3
0.6
ø0.3 Through-hole
Dimensions in mm
0.7
0.3
654
123
This width is 50Ω.
Micro-strip line for 0.4mm thick
glass-epoxy substrate.
• 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.
(2/2)
001-01 / 20080106 / e751_hhm1763b2.fm
• All specifications are subject to change without notice.
FREQUENCY CHARACTERISTICS
Unbalance 50Ω/Balance 150Ω
RETURN LOSS
INSERTION LOSS
AMPLITUDE BALANCE
PHASE BALANCE
750 11001000 1050900850 950800
Frequency(MHz
)
–30
–20
–25
–15
–10
–5
0
Return loss
(
dB
)
1: 880.0MHz
–17.11dB
2: 920.0MHz
–21.27dB
3: 960.0MHz
–19.24dB
1
2
3
750 11001000 1050900850 950800
Frequency(MHz
)
–5.0
–4.0
–4.5
–3.0
–3.5
–2.0
–2.5
–1.0
–1.5
–0.5
0
Insertion loss
(
dB
)
1: 880.0MHz
–1.01dB
2: 920.0MHz
–0.90dB
3: 960.0MHz
–0.89dB
1
2
3
750 11001000 1050900850 950800
Frequency(MHz
)
2
1
4
3
5
–4
–5
–2
–3
–1
0
Amplitude balance
(
dB
)
1: 880.0MHz
–0.07dB
2: 920.0MHz
0.09dB
3: 960.0MHz
0.22dB
1
2
3
750 11001000 1050900850 950800
Frequency(MHz
)
160
170
180
190
200
Phase balance
(
deg.
)
1: 880.0MHz
177.70deg.
2: 920.0MHz
177.26deg.
3: 960.0MHz
176.73deg.
1
2
3
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