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参数资料
| 型号： | B39431B3748H110 |
| 厂商： | EPCOS Inc |
| 文件页数： | 3/10页 |
| 文件大小： | 0K |
| 描述： | FILTER SAW 434.42MHZ SMD |
| 标准包装： | 9,000 |
| 频率： | 434.42MHz 中心 |
| 带宽： | 360kHz |
| 滤波器类型： | 带通 |
| 插入损耗： | 1.9dB |
| 应用： | 远程控制 |
| 封装/外壳： | 6-SMD，无引线 |
| 安装类型： | 表面贴装 |
| 包装： | 带卷 (TR) |
| 高度（最大）： | 0.039"（1.00mm） |
| 尺寸/尺寸： | 0.118" L x 0.118" W（3.00mm x 3.00mm） |
SAW Components
SAW filter
Data sheet
Characteristics
Temperature range for specification:
Terminating source impedance:
Terminating load impedance:
T = –45 ?C to +95 ?C
Z S = 50 ? and matching network
Z L = 50 ? and matching network
B3748
434.42 MHz
min.
typ.
@ 25 ?C
max.
Center frequency
f C
—
434.42
—
MHz
Minimum insertion attenuation
α min
incl. loss in matching elements (Q L = 47)
excl. loss in matching elements
—
—
1.9
1.5
2.6
2.2
dB
dB
Pass band (relative to α min )
434.27 ... 434.57 MHz
434.24 ... 434.60 MHz
—
—
0.6
0.8
2.0
3.0
dB
dB
Relative attenuation (relative to α min )
α rel
10.00 ... 380.00 MHz
380.00 ... 414.00 MHz
414.00 ... 422.00 MHz
422.00 ... 427.00 MHz
427.00 ... 432.92 MHz
432.92 ... 433.60 MHz
435.60 ... 445.00 MHz
445.00 ... 450.00 MHz
450.00 ... 810.00 MHz
810.00 ... 1500.00 MHz
1500.00 ... 2500.00 MHz
55
50
46
40
24
13
25
40
45
60
50
60
56
52
48
29
20
29
46
54
65
58
—
—
—
—
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
Impedance for pass band matching 1)
Input: Z IN
= R IN
|| C IN
—
350 || 2.2
—
? || pF
Output: Z OUT = R OUT || C OUT
—
350 || 2.2
—
? || pF
1)
Impedance for passband matching bases on an ideal, perfect matching of the SAW filter to source- and to load
impedance (here 50 Ohm). After removal of the SAW filter the input impedance of the input and output match-
ing network is calculated. The conjugate complex value of these characteristic impedances are the input and
output impedances for flat passband. For more details we refer to EPCOS application note #4.
Please read cautions and warnings and
important notes at the end of this document.
3
December 14, 2012
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相关代理商/技术参数 |
参数描述 |
|---|---|
| B39431B3750U310 | 功能描述:信号调节 B3750 FRONTEND FILTER RoHS:否 制造商:EPCOS 产品:Duplexers 频率:782 MHz, 751 MHz 频率范围: 电压额定值: 带宽: 阻抗:50 Ohms 端接类型:SMD/SMT 封装 / 箱体:2.5 mm x 2 mm 工作温度范围:- 30 C to + 85 C 封装:Reel |
| B39431-B3750-U310 | 制造商:EPCOS 制造商全称:EPCOS 功能描述:Low-loss Filter |
| B39431B3757U310 | 功能描述:信号调节 B3757 FRONTEND FILTER RoHS:否 制造商:EPCOS 产品:Duplexers 频率:782 MHz, 751 MHz 频率范围: 电压额定值: 带宽: 阻抗:50 Ohms 端接类型:SMD/SMT 封装 / 箱体:2.5 mm x 2 mm 工作温度范围:- 30 C to + 85 C 封装:Reel |
| B39431-B3757-U310 | 制造商:EPCOS 制造商全称:EPCOS 功能描述:SAW Components Low-loss Filter 434,42 MHz |
| B39431B3760Z810 | 功能描述:信号调节 B3760 FRONTEND FILTER RoHS:否 制造商:EPCOS 产品:Duplexers 频率:782 MHz, 751 MHz 频率范围: 电压额定值: 带宽: 阻抗:50 Ohms 端接类型:SMD/SMT 封装 / 箱体:2.5 mm x 2 mm 工作温度范围:- 30 C to + 85 C 封装:Reel |
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