参数资料
型号: B39871B3744H110
厂商: EPCOS Inc
文件页数: 3/10页
文件大小: 0K
描述: FILTER SAW 868.30MHZ SMD
标准包装: 9,000
频率: 868.3MHz 中心
带宽: 600kHz
滤波器类型: 带通
插入损耗: 3dB
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
B3744
868.30 MHz
min.
typ.
@ 25 ?C
max.
Center frequency
f C
868.30
MHz
Minimum insertion attenuation
α min
incl. loss in matching elements
excl. loss in matching elements
3.0
2.4
3.7
3.1
dB
dB
Pass band (relative to α min )
868.10 ... 868.50 MHz
868.00 ... 868.60 MHz
0.4
0.5
1.5
3.0
dB
dB
Relative attenuation (relative to α min )
α rel
10.00 ... 620.00 MHz
620.00 ... 750.00 MHz
750.00 ... 857.00 MHz
857.00 ... 861.00 MHz
861.00 ... 866.80 MHz
866.80 ... 867.20 MHz
869.80 ... 871.50 MHz
871.50 ... 887.50 MHz
887.50 ... 1000.00 MHz
1000.00 ... 2500.00 MHz
55
45
40
36
22
10
15
28
42
50
60
50
44
40
26
27
20
35
46
54
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
Impedance for pass band matching 1)
Input: Z IN
= R IN
|| C IN
290 || 1.3
? || pF
Output: Z OUT = R OUT || C OUT
290 || 1.3
? || 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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B39871B3746H110 功能描述:信号调节 868.6 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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B39871B3762Z810 功能描述:信号调节 FRONTEND FILTER 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
B39871-B3762-Z810 制造商:EPCOS 制造商全称:EPCOS 功能描述:SAW Components Low-loss Filter 868,30 MHz
B39871B3773Z810 功能描述:信号调节 868.95 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