Datasheet Summary
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Sichuan Institute of Piezoelectric and Acoustooptic Technology
For BB Filters (F-11 Package) SP446
Electrical Characteristic: Characteristic Nominal Center Frequency Stop Band Attenuation (from peak level) 1) at DC~(F0-30.7)MHz 2) at F0+30.7MHz~F0+200MHz Insertion Loss(at F0±2.0MHz) 3DVVEDQG YDULDWLRQ at F0±2.0 MHz) Input/Output Impedance (Nominal) Input/Output Impedance(fig1): Sym F0 Unit MHz dB Spec 446 50min 50min 4.5max 2max 50Ω
IL dB dB
F-11 Package(fig2):
L1 L2=18nH;C1 C2=1pF This may be changed according to PCB Frequency Characteristic(fig3):
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