Datasheet Summary
..
Sichuan Institute of Piezoelectric and Acoustooptic Technology
SP19001 IF SAW Filters
Electrical Characteristic: Characteristic Nominal Center Frequency 3dB 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 ±70kHz) Input/Output Impedance (Nominal) Input/Output Impedance(fig1): Sym F0 ∆ F3dB Unit MHz MHz dB Spec 190 0.3 40min 27min 25min 27min 32min 6max 0.7max See fig1
IL ∆T dB us
Lp1= 270nH;Ls2=160nH;Lc=78nH This may be changed according to PCB Frequency Characteristic(fig3)...