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参数资料
| 型号： | B39451B3737H110 |
| 厂商： | EPCOS Inc |
| 文件页数： | 3/11页 |
| 文件大小： | 0K |
| 描述： | FILTER SAW 447.725MHZ SMD |
| 标准包装： | 9,000 |
| 频率： | 447.725MHz 中心 |
| 带宽： | 290kHz |
| 滤波器类型： | 带通 |
| 插入损耗： | 2.2dB |
| 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
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
T = –45 ?C to +95 ?C
Z S = 50 ? and matching network
Z L = 50 ? and matching network
B3737
447.725 MHz
min.
typ.
@ 25 ?C
max.
Center frequency
f C
—
447.725
—
MHz
Minimum insertion attenuation
α min
incl. loss in matching elements (Q L = 47)
excl. loss in matching elements
—
—
2.2
1.6
3.0
2.6
dB
dB
Pass band (relative to α min )
447.60 ... 447.85 MHz
447.58 ... 447.87 MHz
447.56 ... 447.91 MHz
—
—
—
0.8
1.0
1.2
2.0
3.0
6.0
dB
dB
dB
Filter bandwidth
α rel ≤ 3 dB
0.65
0.70
0.75
MHz
Relative attenuation (relative to α min )
α rel
10.00 ... 427.80 MHz
427.80 ... 437.30 MHz
437.30 ... 444.72 MHz
444.72 ... 446.72 MHz
50
45
30
15
55
50
38
20
—
—
—
—
dB
dB
dB
dB
448.72
458.22
467.72
810.00
1500.00
...
...
...
...
...
458.22
467.72
810.00
1500.00
2000.00
MHz
MHz
MHz
MHz
MHz
12
40
42
50
45
15
50
54
65
60
—
—
—
—
—
dB
dB
dB
dB
dB
Impedance for pass band matching 1)
Input: Z IN = R IN || C IN
Output: Z OUT = R OUT || C OUT
—
—
340 || 2.2
340 || 2.2
—
—
? || pF
? || 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 #18.
Please read cautions and warnings and
important notes at the end of this document.
3
April 23, 2013
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相关代理商/技术参数 |
参数描述 |
|---|---|
| B39451B3767Z810 | 功能描述:信号调节 447.725 MHz SMD 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 |
| B39451-B3767-Z810 | 制造商:EPCOS 制造商全称:EPCOS 功能描述:SAW Components Low-loss Filter 447,725 MHz |
| B39451B3860H310 | 功能描述:信号调节 IF 445.25 MHZ 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 |
| B39451B3907U410 | 功能描述:信号调节 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 |
| B39451B4052U410 | 功能描述:信号调节 LOW LOSS 447.0 MHZ 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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