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Multilayer Chip Baluns
For AGSM/Tx & Rx
HHM Series HHM1564A4
SHAPES AND DIMENSIONS
2.0± 0.15
654
+0.1
–0.2
123
0.25
0.65± 0.2 0.3± 0.2
0.2± 0.2 0.35± 0.2
CIRCUIT DIAGRAM
Unbalanced
input
50
Ω
0.95± 0.1
Dimensions in mm
564
Balanced
output
200Ω
1.25± 0.15
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
123
RECOMMENDED PC BOARD PATTERNS
0.2
0.8
0.8 0.6
0.7
0.3
654
123
0.3
This width is 50Ω.
Micro-strip line for 0.4mm thick
glass-epoxy substrate.
ø0.3 Through-hole
Dimensions in mm
ELECTRICAL CHARACTERISTICS
Unbalanced impedance 50Ω
Balanced impedance 200Ω
Frequency range to 824 894MHz
Unbalanced port return loss 10.0dB min.
Phase imbalance at balanced port 180±10deg.
Amplitude imbalance at balanced port 0±1.0dB
Insertion loss 1.0dB max.
Temperature range
Packaging style and quantities 2000pieces/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 / 20080105 / e751_hhm1564a4.fm
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FREQUENCY CHARACTERISTICS
Unbalance 50Ω/Balance 200Ω
RETURN LOSS
0
–5
–10
)
–15
dB
(
–20
–25
–30
–35
Return loss
–40
–45
–50
750 790 810770 830 850 870 890 910 930 950
1
Frequency(MHz
3
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
750 790 810770 830 850 870 890 910 930 950
2
1
Frequency(MHz
3
)
1: 824.0MHz
–22.6dB
2: 859.0MHz
–26.46dB
3: 894.0MHz
–20.48dB
1: 824.0MHz
–0.66dB
2: 859.0MHz
–0.62dB
3: 894.0MHz
–0.63dB
AMPLITUDE BALANCE
5
)
4
dB
3
(
2
1
0
–1
–2
–3
–4
Amplitude balance
–5
750 790 810770 830 850 870 890 910 930 950
2 3
1
Frequency(MHz
)
PHASE BALANCE
200
)
195
190
deg.
(
185
180
175
170
Phase balance
165
160
750 790 810770 830 850 870 890 910 930 950
1
2
Frequency(MHz
)
(2/2)
1: 824.0MHz
0.31dB
2: 859.0MHz
0.32dB
3: 894.0MHz
0.338dB
1: 824.0MHz
178.2deg.
2: 859.0MHz
178.0deg.
3: 894.0MHz
3
177.8deg.
• All specifications are subject to change without notice.
001-02 / 20080105 / e751_hhm1564a4.fm