TDK DEA252450BT-7012D1 User Manual
(1/2)
Multilayer Chip Band Pass Filters(Balance Output Type)
For Bluetooth & 2.4GHz W-LAN
DEA Series DEA252450BT-7012D1
SHAPES AND DIMENSIONS
48
1.3±0.3
0.35 0.35
1.0max.
2.0±0.2
Terminal functions
1 N.C.
2 Unbalanced
3 DC feed or N.C.
4 GND
5 Balanced
6 N.C.
7 Balanced
8 GND
Dimensions in mm
2.5±0.2
765
123
0.2±0.15
0.4±0.15 0.3±0.1
RECOMMENDED PC BOARD PATTERNS
Conformity to RoHS Directive
ø0.3 Through-hole
0.80.9
0.9
1.4
2.10.8
Solder resist
Line width be designed to mach 50Ω characteristic impedance
depending on PCB material and thickness
Land
Dimensions in mm
ELECTRICAL CHARACTERISTICS
Item Typical value
Frequency range (Pass band) 2400 to 2500MHz —
Unbalanced impedance 50Ω(Nominal) —
Balanced impedance 100Ω(Nominal) —
Insertion loss
Attenuation
Unbalanced port return loss 10dB min. 14dB
Phase difference at balanced port 180±12deg 188deg
Amplitude imbalance at balanced port 0±1.0dB 0dB
Temperature range
[+25°C] 1.9dB max. 1.5dB
[–40 to +85°C] 2.2dB max. —
[880 to 960MHz] 40dB min. 50dB
[1710 to 1910MHz] 32dB min. 42dB
[4800 to 5000MHz] 30dB min. 40dB
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 / 20080116 / e721_dea252450bt_7012.fm
FREQUENCY CHARACTERISTICS
Unbalance 50Ω/Balance 100Ω
ATTE NUAT IO N
0
–5
–10
)
–15
dB
–20
(
–25
–30
–35
–40
–45
Attenuation
–50
–55
–60
1
2
500 75004500 6500550025001500 3500
Frequency(MHz
4
3
)
5 6
1: 1710MHz
–40.6dB
2: 1910MHz
–51.2dB
3: 4800MHz
–43.5dB
4: 5000MHz
–39.3dB
5: 7200MHz
–24.6dB
6: 7500MHz
–24.7dB
UNBALANCED PORT RETURN LOSS
)
dB
0
(
–5
–10
–15
–20
–25
–30
–35
–40
–45
–50
–55
–60
1500 3500300025002000
Unbalanced port Return loss
56
4
1
3
2
Frequency(MHz
)
1: 2400MHz
–13.7dB
2: 2450MHz
–34.2dB
3: 2500MHz
–16.8dB
4: 2400MHz
–1.56dB
5: 2450MHz
–1.22dB
6: 2500MHz
–1.18dB
(2/2)
AMPLITUDE BALANCE
5
)
4
dB
(
3
2
1
0
–1
–2
–3
–4
Amplitude balance
–5
2300 260025502450 25002350 2400
1
2
Frequency(MHz
PHASE BALANCE
1: 2400MHz
0.61dB
2: 2450MHz
0.02dB
3: 2500MHz
3
)
–0.55dB
200
)
195
190
deg.
(
185
180
175
170
Phase balance
165
160
2300 260025502450 25002350 2400
2
1
Frequency(MHz
1: 2400MHz
188.5degrees
2: 2450MHz
3
)
188.5degrees
3: 2500MHz
187.9degrees
• All specifications are subject to change without notice.
001-02 / 20080116 / e721_dea252450bt_7012.fm
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