TDK HHM1763B2 User Manual
(1/2)
Multilayer Chip Baluns
For EGSM/Tx & Rx
HHM Series HHM1763B2
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
150Ω
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 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
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_hhm1763b2.fm
FREQUENCY CHARACTERISTICS
Unbalance 50Ω/Balance 150Ω
RETURN LOSS
0
–5
)
dB
–10
(
–15
–20
Return loss
–25
–30
750 11001000 1050900850 950800
1
3
2
Frequency(MHz
)
1: 880.0MHz
–17.11dB
2: 920.0MHz
–21.27dB
3: 960.0MHz
–19.24dB
AMPLITUDE BALANCE
5
)
4
dB
(
3
2
1
0
–1
–2
–3
–4
Amplitude balance
–5
750 11001000 1050900850 950800
2
1
Frequency(MHz
(2/2)
1: 880.0MHz
–0.07dB
2: 920.0MHz
0.09dB
3: 960.0MHz
3
)
0.22dB
INSERTION LOSS
0
–0.5
)
–1.0
dB
(
–1.5
–2.0
–2.5
–3.0
–3.5
–4.0
Insertion loss
–4.5
–5.0
750 11001000 1050900850 950800
3
2
1
Frequency(MHz
PHASE BALANCE
1: 880.0MHz
–1.01dB
2: 920.0MHz
–0.90dB
3: 960.0MHz
–0.89dB
)
200
)
190
deg.
(
180
170
Phase balance
160
750 11001000 1050900850 950800
1
2
3
Frequency(MHz
)
1: 880.0MHz
177.70deg.
2: 920.0MHz
177.26deg.
3: 960.0MHz
176.73deg.
• All specifications are subject to change without notice.
001-01 / 20080106 / e751_hhm1763b2.fm
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