Download TDK HHM1521 User's Manual

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Multilayer Chip Baluns
For Bluetooth & 2.4GHz W-LAN
Conformity to RoHS Directive
HHM Series HHM1521
SHAPES AND DIMENSIONS
2.0±0.15
0.95±0.1
5
4
1
2
3
+0.1
0.25–0.2
1.25±0.15
6
0.65±0.2
0.2±0.2
0.3±0.2
0.35±0.2
Terminal functions
1 Unbalanced port
2 GND or DC feed+ RF GND
3 Balanced port
4 Balanced port
5 GND
6 N.C.
Dimensions in mm
CIRCUIT DIAGRAM
6
5
4
Unbalanced
input
50Ω
Balanced
output
200Ω
1
2
3
RECOMMENDED PC BOARD PATTERNS
0.2
This width is 50Ω.
Micro-strip line for 0.4mm thick
glass-epoxy substrate.
6
5
4
1
2
3
0.8
0.6
0.8
0.3
0.
7
0.3
ø0.3 Through-hole
Dimensions in mm
ELECTRICAL CHARACTERISTICS
Unbalanced impedance
Balanced impedance
Frequency range
Unbalanced port return loss
Phase imbalance at balanced port
Amplitude imbalance at balanced port
Insertion loss
Operating
Temperature range
Storage
Packaging style and quantities
50Ω
200Ω
2400 to 2500MHz
10dB min.
180±10deg.
0±2.0dB
1.0dB max.
–40 to +85°C
–40 to +85°C
2000pieces/reel
• 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.
001-03 / 20080106 / e751_hhm1521.fm
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FREQUENCY CHARACTERISTICS
Unbalance 50Ω/Balance 200Ω
RETURN LOSS
1: 2400MHz
–13.08dB
2: 2500MHz
–14.96dB
–5
–10
–15
1
2
–20
–25
–30
2100
2200
2300 2400 2500
Frequency (MHz)
2600
2700
Insertion loss (dB)
INSERTION LOSS
0.0
–0.5
–1.0
–1.5
–2.0
–2.5
–3.0
–3.5
–4.0
–4.5
–5.0
2100
5
4
3
2
1
0
–1
–2
–3
–4
–5
2100
1: 2400MHz
–0.45dB
2: 2500MHz
–0.57dB
1
2200
2
2300 2400 2500
Frequency (MHz)
2600
2700
PHASE BALANCE
1
2200
Amplitude balance (dB)
AMPLITUDE BALANCE
1: 2400MHz
–0.82dB
2: 2500MHz
–0.76dB
2
2300 2400 2500
Frequency (MHz)
2600
2700
Phase balance (deg.)
Return loss (dB)
0
205
200
195
190
185
180
175
170
165
160
155
2100
1: 2400MHz
180.7deg.
2: 2500MHz
181.3deg.
1
2200
2
2300 2400 2500
Frequency (MHz)
2600
2700
• All specifications are subject to change without notice.
001-03 / 20080106 / e751_hhm1521.fm