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参数资料
| 型号： | B39901B3934H110 |
| 厂商： | EPCOS Inc |
| 文件页数： | 3/10页 |
| 文件大小： | 0K |
| 描述： | FILTER SAW 902.875MHZ SMD |
| 标准包装： | 9,000 |
| 频率： | 902.875MHz 中心 |
| 带宽： | 1.55MHz |
| 滤波器类型： | 带通 |
| 插入损耗： | 2.4dB |
| 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 +105 ?C
Z S = 50 ? and matching network
Z L = 50 ? and matching network
B3934
902.875 MHz
min.
typ.
@ 25 ?C
max.
Center frequency
f C
—
902.875
—
MHz
Minimum insertion attenuation
α min
incl. loss in matching elements (Q L = 92)
excl. loss in matching elements
—
—
2.4
2.1
3.2
2.9
dB
dB
Pass band (relative to α min )
902.20 ... 903.55 MHz
902.10 ... 903.65 MHz
—
—
1.0
1.8
2.0 1)
3.5 2)
dB
dB
Relative attenuation (relative to α min )
α rel
10.00 ... 820.00 MHz
820.00 ... 884.00 MHz
884.00 ... 892.00 MHz
892.00 ... 900.50 MHz
906.00 ... 910.50 MHz
910.50 ... 929.00 MHz
929.00 ... 945.00 MHz
945.00 ... 1000.00 MHz
1000.00 ... 2000.00 MHz
2000.00 ... 2500.00 MHz
52
50
37
20
20
27
42
45
50
48
56
54
42
25
23
32
47
50
57
55
—
—
—
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
Impedance for pass band matching 3)
Input: Z IN
= R IN
|| C IN
—
400 || 1.1
—
? || pF
Output: Z OUT = R OUT || C OUT
—
380 || 1.2
—
? || pF
1)
2)
3)
1.5 dB for reduced temperature range –45 ?C to +95 ?C.
3.0 dB for reduced temperature range –45 ?C to +95 ?C.
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 17, 2012
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相关代理商/技术参数 |
参数描述 |
|---|---|
| B39901B4130U410 | 功能描述:信号调节 RF 897.5MHZ 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 |
| B39901-B4130-U410 | 制造商:EPCOS 制造商全称:EPCOS 功能描述:SAW Components Low-Loss Filter for Mobile Communication 897,5 MHz |
| B39901B4179U510 | 功能描述:信号调节 RF 897.50MHZ 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 |
| B39901-B4179-U510 | 制造商:EPCOS 制造商全称:EPCOS 功能描述:SAW Components Low-Loss Filter for Mobile Communication 897,5 MHz |
| B39901B4181U410 | 功能描述:信号调节 RF 897.5MHZ 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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