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SF2244A

更新时间： 2024-11-29 12:50:55
品牌 Logo 应用领域
RFM /
页数 文件大小 规格书
5页 320K
描述
225 MHz SAW Filter

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中文翻译

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SF2244A 数据手册

 浏览型号SF2244A的Datasheet PDF文件第2页浏览型号SF2244A的Datasheet PDF文件第3页浏览型号SF2244A的Datasheet PDF文件第4页浏览型号SF2244A的Datasheet PDF文件第5页 
Preliminary  
SF2244A  
• Low Insertion Loss  
• Excellent Size-to-performance Ratio  
• Hermetic 13.3 x 6.5 mm Surface-mount Case  
• Single-ended Input and Output  
225 MHz  
• Complies with Directive 2002/95/EC (RoHS)  
SAW Filter  
Pb  
Absolute Maximum Ratings  
Rating  
Value  
+18  
Units  
dBm  
VDC  
°C  
Maximum Incident Power in Passband  
Maximum DC Voltage on any Non-ground Terminal  
Storage Temperature Range in Tape and Reel  
10  
-40 to +85  
Suitable for Lead-free Soldering - Maximum Soldering Profile  
260 °C for 30 s  
SMP-53-S  
Electrical Specifications  
Characteristic  
Sym  
Notes  
Min  
Typ  
225.0  
10.0  
0.6  
Max  
Units  
f
Center Frequency  
MHz  
dB  
C
IL  
Maximum Insertion Loss  
Passband Ripple, 223.0 to 227.0 MHz  
1 dB Bandwidth  
1
12.0  
1.0  
-
MAX  
dB  
P-P  
BW  
MHz  
MHz  
MHz  
4.0  
5.1  
1
BW  
3 dB Bandwidth  
1, 2  
-
-
5.7  
-
3
BW  
45 dB Bandwidth  
9.4  
10.0  
45  
Rejection Referenced to IL  
1 to 210 MHz  
:
1, 2, 3  
MIN  
45  
45  
53  
51  
dB  
238 to 400 MHz  
T
Operating Temperature Range  
Frequency Temperature Coefficient  
Wafer Material  
1
-20  
+70  
°C  
A
-23  
ppm/°C  
LiTaO  
3
Impedance Matching to 50 Ω Single-ended Source and Load  
Case Style  
External L-C  
SMP-53-S 13.3 x 6.5 mm Nominal Footprint  
RFM/SF2244A/YYWW  
Lid Symbolization (YY = year, WW = week)  
CAUTION: Electrostatic Sensitive Device. Observe precautions for handling.  
Notes:  
1. Unless noted otherwise, all specifications apply over the operating temperature range with filter soldered to the specified demonstration board with  
impedance matching to 50 Ω and measured with 50 Ω network analyzer.  
2. Unless noted otherwise, all frequency specifications are referenced to the nominal center frequency, fc.  
3. Rejection is measured as attenuation below the minimum IL point in the passband. Rejection in final user application is dependent on PCB layout  
and external impedance matching design. See Application Note No. 42 for details.  
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. The design, manufacturing process, and specifications of this filter are subject to change.  
6. Either Port 1 or Port 2 may be used for either input or output in the design. However, impedances and impedance matching may vary between Port  
1 and Port 2, so that the filter must always be installed in one direction per the circuit design.  
7. US and international patents may apply.  
www.RFM.com E-mail: info@rfm.com  
©2010 by RF Monolithics, Inc.  
Page 1 of 5  
SF2244A - 12/13/10  
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