DEA250702LT-1235A2 [TDK]
Low Pass Filter, 586MHz, ROHS COMPLIANT PACKAGE-4;
| 型号： | DEA250702LT-1235A2 |
| 厂家： | 
TDK ELECTRONICS |
| 描述： | Low Pass Filter, 586MHz, ROHS COMPLIANT PACKAGE-4 LTE |
| 文件： | 总2页 (文件大小：36K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
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Conformity to RoHS Directive
Multilayer Chip Low Pass Filters
For DVB-H/ISDB-T
DEA Series DEA250702LT-1235A2
SHAPES AND DIMENSIONS
2.5 0.2
3
0.5 0.05
1
2
4
0.35 0.15
Terminal functions
IN
OUT
1
2
3
4
GND
GND
Dimensions in mm
RECOMMENDED PC BOARD PATTERNS
LAND
SOLDER RESIST
2.0
1.9
2.3
1.1 0.4
0.3
0.6
0.3
0.6
Solder resist
Land
Dimensions in mm
Line width be designed to mach 50Ω
characteristic impedance depending
on PCB material and thickness
Dimensions in mm
ELECTRICAL CHARACTERISTICS
Item
Minimum value
Typical value
Maximum value
Input impedance
Output impedance
Insertion loss
50 (Nominal)
50 (Nominal)
(Ω)
(Ω)
—
—
—
—
—
—
—
—
—
—
2.2
44
39
37
36
35
—
—
—
—
—
—
—
—
—
—
[470 to 702MHz]
[880 to 915MHz]
[915 to 1710MHz]
[1710 to 1785MHz]
[1785 to 1920MHz]
[1920 to 1980MHz]
Operating
(dB)
(dB)
(dB)
(dB)
(dB)
(dB)
(°C)
(°C)
Attenuation
–40
–40
+85
+85
Temperature range
• Ta:+25°C
Storage
• 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 / e731_dea250702lt_1235.
(2/2)
FREQUENCY CHARACTERISTICS
INSERTION LOSS
ATTENUATION
0
0
–10
–20
–30
–40
1: 470MHz
–0.38dB
1: 702MHz
–2.19dB
1: 880MHz
–44.63dB
2: 915MHz
–58.2dB
3: 1710MHz
–39.0dB
4: 1785MHz
–37.6dB
5: 1920MHz
–36.0dB
1
–1.0
–2.0
–3.0
–4.0
–5.0
–6.0
–7.0
–8.0
2
6
5
4
3
–50
–60
–70
–80
1
2
6: 1980MHz
2800
–35.5dB
300 400 500 600 700 800 900 1000
300
800
1300
)
Frequency MHz
1800
2300
(
)
(
Frequency MHz
RETURN LOSS
VSWR
jV
1
50
40
30
20
10
0
1: 470MHz
–23.5dB
2: 702MHz
–13.7dB
1: 470MHz
1.14dB
2: 702MHz
1.52dB
0.8
0.6
0.4
0.2
–10
–1
1 U
–20
–30
–40
–50
2
–0.2
–0.4
–0.6
–0.8
1
300
800
1300
1800
2300
2800
(
)
Frequency MHz
–1
• All specifications are subject to change without notice.
001-02 / 20080116 / e731_dea250702lt_1235.
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