Sichuan Institute of Piezoelectric and Acoustooptic Technology

SP19001 IF SAW Filters

Electrical Characteristic:

Characteristic

Sym

Unit

Spec

Nominal Center Frequency

MHz

190

3dB Bandwidth

∆F

3dB

MHz

0.3

Stop Band Attenuation (from peak level)

dB

40min

27min

25min

27min

32min

IL

dB

6max

±70kHz)

∆T

us

0.7max

Input/Output Impedance (Nominal)

See fig1

Input/Output Impedance(fig1):

Lp1= 270nH;Ls2=160nH;Lc=78nH

This may be changed according to PCB

Frequency Characteristic(fig3):

＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿＿　

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