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SF446A

更新时间： 2024-09-17 06:11:15
品牌 Logo 应用领域
VANLONG /
页数 文件大小 规格书
2页 139K
描述
446.00 MHz SAW Filter

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SF446A 数据手册

 浏览型号SF446A的Datasheet PDF文件第2页 
446.00 MHz SAW Filter  
•
•
•
•
•
Ideal for Receiver in 446.00 MHz  
Low-Loss, Coupled-Resonator Quartz Design  
Simple External Impedance Matching  
SF446A  
Rugged, Hermetic, Low Profile F-11 Package  
Complies with Directive 2002/95/EC (RoHS Compliant)  
Absolute Maximum Rating (Ta=25°C)  
Parameter  
CW RF Power Dissipation  
Rating  
+10  
Unit  
dBm  
V
P
DC Voltage VDC Between Any Two Pins  
Operating Temperature Range  
Storage Temperature Range  
VDC  
TA  
Tstg  
±30  
-10 ~ +60  
-40 ~ +85  
°C  
°C  
Electronic Characteristics  
Parameter  
Sym  
Minimum  
Typical  
446.00  
3.5  
Maximum  
NS  
Unit  
Nominal Frequency (at 25°C)  
fC  
NS  
MHz  
(Center frequency between 3dB point)  
Insertion Loss  
443.00 … 449.00 MHz  
-
-
5.0  
dB  
MHz  
dB  
IL  
User Signal Passband  
Passband Ripple (p-p)  
Attenuation (out of fC ± 30MHz)  
-
-
-
±3.0  
2.0  
60  
BW  
∆α  
αrel  
|fA|  
-
443.00 … 449.00 MHz  
-
50  
-
dB  
Frequency Aging  
Absolute Value during the First Year  
-
10  
-
ppm/yr  
MΩ  
DC Insulation Resistance Between any Two Pins  
Input / Output Impendance (nominal)  
1.0  
-
-
-
50//0  
-
Ω//pF  
NS = Not Specified  
Notes:  
1.  
2.  
The frequency fC is defined as the midpoint between the 3dB  
frequencies.  
4.  
The specifications of this device are based on the test circuit  
shown above and subject to change or obsolescence without  
notice.  
Unless noted otherwise, all measurements are made with the filter  
installed in the specified test fixture that is connected to a 50Ω test  
system with VSWR ≤ 1.2:1. The test fixture L and C are adjusted  
for minimum insertion loss at the filter center frequency, fC. Note  
that insertion loss, bandwidth, and passband shape are dependent  
on the impedance matching component values and quality.  
5.  
6.  
All equipment designs utilizing this product must be approved by  
the appropriate government agency prior to manufacture or sale.  
Our liability is only assumed for the Surface Acoustic Wave (SAW)  
component(s) per se, not for applications, processes and circuits  
implemented within components or assemblies.  
3.  
Unless noted otherwise, specifications apply over the entire  
specified operating temperature range.  
7.  
For questions on technology, prices and delivery please contact  
our sales offices or email to sales@vanlong.com.  
Phone: +86 (10) 5820-3910  
Fax: +86 (10) 5820-3915  
Email: sales@vanlong.com  
Web: http://www.vanlong.com  
SF446A  
© 2007 by Vanlong Technology Co., Ltd.  
12

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