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RF3404D

更新时间： 2024-11-11 20:06:39
品牌 Logo 应用领域
村田 - MURATA LTE
页数 文件大小 规格书
5页 80K
描述
1 FUNCTIONS, 433.92 MHz, SAW FILTER, ROHS COMPLIANT, CASE SM3838-8, 8 PIN

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RF3404D 技术参数

是否Rohs认证： 符合生命周期：Obsolete
Reach Compliance Code：compliant风险等级：5.83
其他特性：TAPE AND REEL中心频率或截止频率 (fo/fc)：433.92 MHz
滤波器类型：SAW FILTER高度：1.4 mm
输入阻抗：2853 OHM//1.66 pF最大插入损耗：2.5 dB
长度：4 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：2411 OHM//1.73 pF Ω
物理尺寸：L4.0XB4.0XH1.4 (mm)/L0.157XB0.157XH0.055 (inch)宽度：4 mm
Base Number Matches：1

RF3404D 数据手册

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RF3404D  
• Ideal Front-End Filter for European Wireless Receivers  
• Low-Loss, Coupled-Resonator Quartz Design  
• Simple External Impedance Matching  
433.92 MHz  
SAW Filter  
• Complies with Directive 2002/95/EC (RoHS)10  
Pb  
The RF3404D is a low-loss, compact, and economical surface-acoustic-wave (SAW) filter designed to provide  
front-end selectivity in 433.92 MHz receivers. Receiver designs using this filter include superhet with  
10.7 MHz or 500 kHz IF, direct conversion and superregen. Typical applications of these receivers are  
wireless remote-control and security devices operating in Europe under ETSI I-ETS 300 220.  
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.  
SM3838-8 Case  
3.8 x 3.8  
Electrical Characteristics  
Characteristic  
Sym  
Notes  
Minimum  
Typical  
Maximum  
Units  
f
1, 2, 3  
1, 3  
Center Frequency at 25°C  
Insertion Loss  
Absolute Frequency  
433.92  
1.6  
MHz  
dB  
c
IL  
2.5  
1.8  
MIN  
Passband Ripple (Relative to IL ) Fc ±200kHz  
1, 3  
1.2  
dB  
MIN  
BW  
1, 3  
kHz  
3 dB Bandwidth  
500  
50  
45  
30  
18  
12  
11  
600  
55  
50  
34  
22  
17  
14  
38  
55  
800  
3
Rejection Attenuation: (relative to ILmin)  
10 - 414 MHz  
414 - 424 MHz  
424 - 431 MHz  
431 - 432 MHz  
432 - 433 MHz  
434.92 - 442 MHz  
442 - 550 MHz  
550 - 1000 MHz  
1, 3  
dB  
35  
50  
FTC  
|fA|  
ppm/  
2
Temperature  
Freq. Temp. Coefficient  
0.032  
°C  
Frequency Aging  
Absolute Value during the First Year  
Input Z = R llC  
5
1
≤10  
ppm/yr  
Z
Impedance @ fc  
2853Ω // 1.66pf  
2411Ω // 1.73pf  
IN  
IN IN  
IN  
Output Z  
= R  
llC  
Z
OUT  
OUT  
OUT OUT  
Lid Symbolization (Y=year WW=week S=shift)  
Standard Reel Quantity  
539 // YWWS  
500 Pieces/Reel  
3000 Pieces/Reel  
Reel Size 7 Inch  
Reel Size 13 Inch  
9
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°C 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 Per ANSI / EIA 481.  
10. This product complies with Directive 2002/95/EC of the European Parlament and of the Council of 27 January 2003 on the restriction of the use of  
certain hazadous substances in electrical and electronic equipment.  
www.RFM.com  
E-mail: info@rfm.com  
Page 1 of 5  
©2008 by RF Monolithics, Inc.  
RF3404D - 3/21/08  
12345

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