SP19001
SP19001 is IF SAW Filters manufactured by SIPAT.
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Sichuan Institute of Piezoelectric and Acoustooptic Technology
SP19001 IF SAW Filters
Electrical Characteristic: Characteristic Nominal Center Frequency 3d B Bandwidth Stop Band Attenuation (from peak level) 1) F0 -50MHz … F0 -0.5MHz 2) F0 -0.5MHz … F0 -0.33MHz 3) F0 +0.33MHz … F0 +0.35MHz 4) F0 +0.35MHz … F0 +0.5MHz 5) F0 +0.5MHz … F0 +50MHz Insertion Loss(at F0 point) Group Delay Deviation(with F0 ±70k Hz) Input/Output Impedance (Nominal) Input/Output Impedance(fig1): Sym F0 ∆ F3d B Unit MHz MHz d B Spec 190 0.3 40min 27min 25min 27min 32min 6max 0.7max See fig1
IL ∆T d B us
Lp1= 270n H;Ls2=160n H;Lc=78n H This may be changed according to PCB Frequency Characteristic(fig3):
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