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RF3404E

更新时间： 2024-11-11 12:50:55
品牌 Logo 应用领域
RFM /
页数 文件大小 规格书
4页 122K
描述
433.92 MHz SAW Filter

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RF3404E 数据手册

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RF3404E  
• Ideal Front-End Filter for European Wireless Receivers  
• Low-Loss, Coupled-Resonator Quartz Design  
• Simple External Impedance Matching  
• RoHS Compliant  
433.92 MHz  
SAW Filter  
• Complies with Directive 2002/95/EC (RoHS)  
Pb  
The RF3404E 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.  
SM3030-6 Case  
3.0 x 3.0  
Electrical Characteristics  
Characteristic  
Sym  
Notes  
Minimum  
Typical  
Maximum  
Units  
f
1, 2, 3  
1, 2  
Center Frequency at 25°C  
Absolute Frequency  
Tolerance from MHz  
433.92  
±100  
2.3  
MHz  
kHz  
dB  
c
∆f  
c
IL  
Insertion Loss (433.760 - 434.080)  
1, 3  
3.5  
MIN  
BW  
1, 3  
kHz  
3 dB Bandwidth  
600  
30  
27  
16  
8
650  
40  
35  
20  
10  
25  
32  
20  
46  
25  
750  
3
Rejection Attenuation: (relative to ILmin)  
10 - 414 MHz  
414 - 424 MHz  
424 - 430 MHz  
430 - 432 MHz  
436 - 437 MHz  
437 - 440 MHz  
441 - 445 MHz  
445 - 1000 MHz  
1, 3  
3, 4  
dB  
19  
25  
15  
30  
10  
Turnover Temperature  
To  
40  
°C  
2
FTC  
Temperature  
Freq. Temp. Coefficient  
0.032  
ppm/°C  
Frequency Aging  
Absolute Value during the First Year  
Input Z = R llC  
|fA|  
5
1
≤10  
ppm/yr  
Z
Impedance @ fc  
150Ω // 3.4pF  
175Ω // 4.1pF  
IN  
IN IN  
IN  
Output Z  
= R  
llC  
Z
OUT  
OUT  
OUT OUT  
Lid Symbolization (Y=year WW=week S=shift)  
Standard Reel Quantity  
697 // 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 +105°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.  
www.RFM.com E-mail: info@rfm.com  
©2008 by RF Monolithics, Inc.  
Page 1 of 4  
RF3404E - 10/7/08  
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