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SF2138B PDF预览

SF2138B

更新时间： 2024-09-23 12:23:11
品牌 Logo 应用领域
RFM LTE
页数 文件大小 规格书
6页 227K
描述
144.132 MHz SAW Filter

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中文翻译

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SF2138B 数据手册

 浏览型号SF2138B的Datasheet PDF文件第2页浏览型号SF2138B的Datasheet PDF文件第3页浏览型号SF2138B的Datasheet PDF文件第4页浏览型号SF2138B的Datasheet PDF文件第5页浏览型号SF2138B的Datasheet PDF文件第6页 
SF2138B  
• Designed for SDARS IF Receiver  
• Low Insertion Loss  
• 5.0 X 7.0 mm Surface-Mount Case  
• Differential or Single Ended Input and Output  
• Complies with Directive 2002/95/EC (RoHS)  
144.132 MHz  
SAW Filter  
Pb  
Absolute Maximum Ratings  
Rating  
Value  
+10  
Units  
dBm  
VDC  
°C  
Maximum Incident Power in Passband  
Maximum DC Voltage Between any Two Terminals  
Storage Temperature Range in Tape an Reel  
Maximum Soldering Profile  
30  
-40 to +85  
265 °C for 10 s  
SMP-03  
Electrical Characteristics  
Characteristic  
Nominal Center Frequency  
Passband Width at +25 °C  
1 dB Bandwidth  
Sym  
Notes  
Min  
Typ  
144.132  
Max  
Units  
MHz  
dB  
f
1
C
137.882  
12.5  
150.382  
BW  
13.3  
15.9  
16.9  
13.7  
MHz  
MHz  
MHz  
dB  
1
1
15 dB Bandwidth  
BW  
BW  
16.2  
18.2  
15.5  
15  
30 dB Bandwidth  
30  
Passband Minimum Insertion Loss, Including Matching Network  
Terminating Source Impedance  
Terminating Load Impedance  
IL  
MIN  
ZS = 200 ohms differential  
ZL = 1.5K ohms differential  
Amplitude Ripple:  
TDM1, 137.882 to 142.382 MHz  
COFDM, 141.882 to 146.182 MHz  
TDM2, 145.882 to 150.382 MHz  
Attenuation Relative to Insertion Loss at Center Frequency  
122.882 to 127.882 MHz  
1
0.5  
1
1.7  
dB  
1.5  
1.7  
P-P  
45  
43  
38  
43  
48  
50  
47  
42  
47  
53  
127.882 to 132.882 MHz  
1, 3  
dBc  
154.137 to 159.137 MHz  
159.137 to 162.882 MHz  
162.882 to 177.882 MHz  
Group Delay Ripple  
TDM1, 137.882 to 142.382 MHz  
COFDM, 141.882 to 146.182 MHz  
TDM2, 145.882 to 150.382 MHz  
Operating Temperature Range  
Case Style  
30  
25  
30  
100  
100  
100  
+85  
ns  
P-P  
T
1
6
-40  
°C  
A
SMP-03 7 x 5 mm Nominal Footprint  
RFM SF2138B YYWWS  
Lid Symbolization (YY=year, WW=week, S=shift) See note 4  
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.  
3.  
Unless noted otherwise, all frequency specifications are referenced to the nominal center frequency, fc.  
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.  
5.  
6.  
7.  
"LRIP" or "L" after the part number indicates "low rate initial production" and "ENG" or "E" indicates "engineering prototypes."  
The design, manufacturing process, and specifications of this filter are subject to change.  
Tape and Reel Standard ANSI / EIA 481.  
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.  
US and international patents may apply.  
RFM, stylized RFM logo, and RF Monolithics, Inc. are registered trademarks of RF Monolithics, Inc.  
8.  
9.  
www.RFM.com E-mail: info@rfm.com  
©2009 by RF Monolithics, Inc.  
Page 1 of 6  
SF2138B - 7/9/09  
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