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RF1172D PDF预览

RF1172D

更新时间: 2024-11-21 09:34:59
品牌 Logo 应用领域
RFM /
页数 文件大小 规格书
3页 112K
描述
433.92 MHz SAW Filter

RF1172D 数据手册

 浏览型号RF1172D的Datasheet PDF文件第2页浏览型号RF1172D的Datasheet PDF文件第3页 
®
RF1172D  
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 RF1172D is a low-loss, compact, and economical surface-acoustic-wave (SAW) filter designed to pro-  
vide 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 wire-  
less 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 ad-  
vanced 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  
Center Frequency at 25°C Absolute Frequency  
Sym  
Notes  
Minimum  
Typical  
Maximum  
Units  
f
1, 2, 3  
1, 3  
433.92  
1.6  
MHz  
dB  
c
IL  
Insertion Loss (433.760 - 434.080)  
2.5  
MIN  
BW  
1, 3  
kHz  
3 dB Bandwidth  
500  
50  
45  
30  
18  
12  
16  
40  
50  
600  
55  
50  
34  
22  
17  
19  
45  
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  
2
FTC  
|fA|  
Temperature  
Freq. Temp. Coefficient  
0.032  
ppm/°C  
Frequency Aging  
Absolute Value during the First Year  
Input Z = R llC  
5
1
£10  
ppm/yr  
Z
Impedance @ fc  
1428W // 111.5pf  
961W // 111.8pf  
IN  
IN IN  
IN  
Output Z  
= R  
llC  
Z
OUT  
OUT  
OUT OUT  
Lid Symbolization (Y=year WW=week S=shift)  
Standard Reel Quantity  
477 // 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.  
2.  
Unless noted otherwise, all measurements are made with the filter installed in the specified test fixture which is connected to a 50 W 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 bandwidth and passband shape are  
c
dependent on the impedance matching component values and quality.  
The frequency f is defined as the midpoint between the 3dB frequencies.  
c
3.  
4.  
Where noted specifications apply over the entire specified operating temperature range of -40°C to +105°C.  
The turnover temperature, T , is the temperature of maximum (or turnover) frequency, f . The nominal frequency at any case temperature, T , may be calculated  
O
o
c
2
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. Typ-  
ically, aging is greatest the first year after manufacture, decreasing significantly in subsequent years.  
The design, manufacturing process, and specifications of this device are subject to change.  
One or more of the following U.S. Patents apply: 4,54,488, 4,616,197, and others pending.  
All equipment designs utilizing this product must be approved by the appropriate government agency prior to manufacture or sale.  
Tape and Reel Standard Per ANSI / EIA 481.  
6.  
7.  
8.  
9.  
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.  
RF Monolithics, Inc.  
RFM Europe  
Phone: (972) 233-2903  
Phone: 44 1963 251383  
Fax: (972) 387-8148  
Fax: 44 1963 251510  
E-mail: info@rfm.com  
http://www.rfm.com  
RF1172D-032905  
Page 1 of 3  
©1999 by RF Monolithics, Inc. The stylized RFM logo are registered trademarks of RF Monolithics, Inc.  

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