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RF1181E

更新时间： 2024-11-05 15:49:31
品牌 Logo 应用领域
村田 - MURATA LTE
页数 文件大小 规格书
3页 76K
描述
SAW Filter, 1 Function(s), 916.5MHz, ROHS COMPLIANT, CASE SM3030-6, 6 PIN

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中文翻译

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RF1181E 技术参数

生命周期：ObsoleteReach Compliance Code：unknown
风险等级：5.84其他特性：TAPE AND REEL
中心频率或截止频率 (fo/fc)：916.5 MHz滤波器类型：SAW FILTER
高度：1.38 mm输入阻抗：54.95 OHM//3.16 pF
最大插入损耗：4 dB长度：3.13 mm
安装类型：SURFACE MOUNT功能数量：1
最高工作温度：90 °C最低工作温度：-40 °C
输出阻抗：63.84 OHM//2.72 pF Ω物理尺寸：L3.13XB3.13XH1.38 (mm)/L0.123XB0.123XH0.054 (inch)
宽度：3.13 mmBase Number Matches：1

RF1181E 数据手册

 浏览型号RF1181E的Datasheet PDF文件第2页浏览型号RF1181E的Datasheet PDF文件第3页 
RF1181E  
• Ideal Front-End Filter for 916.5 MHz Wireless Receivers  
• Low-Loss, Coupled-Resonator Quartz Design  
• Simple External Impedance Matching  
916.5 MHz  
SAW Filter  
• Complies with Directive 2002/95/EC (RoHS)  
Pb  
The RF1181E is a low-loss, compact, and economical surface-acoustic-wave (SAW) filter  
designed to provide front-end selectivity in 916.5 MHz receivers. Receiver designs using this filter  
include superhet with 10.7 MHz IF, direct conversion and superregen. Typical applications of  
these receivers are wireless remote-control and security, data telemetry, and meter reading  
devices operating in the USA under FCC Part 15 and in Canada under DoC RSS-210.  
This coupled-resonator filter (CRF) uses selective null placement to provide suppression, typically  
greater than 40 dB, of the LO and image spurious responses of superhet receivers with 10.7 MHz  
IF. RFM’s advanced SAW design and fabrication technology is utilized to achieve high  
performance and very low loss with simple external impedance matching (not included).  
SM3030-6 Case  
3.0 x 3.0  
Electrical Characteristics  
Maximu  
Characteristic  
Sym  
Notes  
Minimum  
Typical  
Units  
m
f
Center Frequency at 25°C  
Absolute Frequency  
916.5  
MHz  
c
1, 2, 3  
∆f  
Tolerance from 916.50 MHz  
kHz  
dB  
c
Insertion Loss  
IL  
1, 3  
1, 3  
2.5  
4.0  
BW  
3 dB Bandwidth  
500  
40  
30  
25  
35  
14  
30  
40  
600  
50  
35  
30  
40  
18  
35  
45  
900  
kHz  
3
Rejection (Attenuation: relative to Min IL:)  
10 to 895 MHz  
895 to 906 MHz  
906 to 910 MHz  
922 to 925 MHz  
925 to 933 MHz  
933 to 940 MHz  
940 to 1100 MHz  
1, 3  
dB  
2
3, 4  
5
Temperature  
Freq. Temp. Coefficient  
FTC  
|fA|  
0.032  
ppm/°C  
Frequency Aging  
Absolute Value during the First Year  
Input Z = R /C  
≤10  
ppm/yr  
Z
54.95Ω//3.16pF  
63.84Ω//2.72pF  
IN  
IN IN  
IN  
1
Impedance @ f  
Output Z  
= R  
/C  
Z
C
OUT  
OUT OUT  
OUT  
Lid Symbolization (in addition to Lot and/or Date Codes)  
553 // YWWS  
Standard Reel Quantity  
Standard Reel Quantity  
7 Inch Reel  
500 Pieces/Reel  
3000 Pieces/Reel  
9
13 Inch Reel  
CAUTION: Electrostatic Sensitive Device. Observe precautions for handling.  
Notes:  
1. Unless noted otherwise, all measurements are made with the filter installed in the specified test fixture which is connected to a 50 Ω test system with  
VSWR ≤ 1.2:1. The test fixture L and C are adjusted for minimum insertion loss at the filter center frequency, f . Note that insertion loss and band-  
c
width and passband shape are dependent on the impedance matching component values and quality.  
2. The frequency f is defined as the midpoint between the 3dB frequencies.  
c
3. Where noted specifications apply over the entire specified operating temperature range of -40 to 90°C.  
4. The turnover temperature, T , is the temperature of maximum (or turnover) frequency, f . The nominal frequency at any case temperature, T , may  
O
o
c
2
be calculated from: f = f [1 - FTC (T - T ) ].  
o
o
c
5. Frequency aging is the change in fc with time and is specified at +65°C or less. Aging may exceed the specification for prolonged temperatures  
above +65°C. Typically, aging is greatest the first year after manufacture, decreasing significantly in subsequent years.  
6. The design, manufacturing process, and specifications of this device are subject to change.  
7. One or more of the following U.S. Patents apply: 4,54,488, 4,616,197, and others pending.  
8. All equipment designs utilizing this product must be approved by the appropriate government agency prior to manufacture or sale.  
9.  
Tape and Reel Standard for ANSI/EIA 481.  
www.RFM.com  
E-mail: info@rfm.com  
Page 1 of 3  
©2008 by RF Monolithics, Inc.  
RF1181E - 3/21/08  
123

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