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Datasheet File OCR Text: |
Sichuan Institute of Piezoelectric and Acoustooptic Technology For PHS First IF Filters (SMD Package) Electrical Characteristic: SP 233 Unit MHz MHz dB dB ns C Characteristic Center Frequency 3dB Bandwidth Insertion Loss(at minimum loss point) Stop Band Attenuation (from peak level) at F00.6MHz Group Delay Deviation(with F0150kHz) Input/Output Impedance Package Ambient Temperature Input/Output Impedance(fig1): Minimum 233.10 0.47 Typical 233.15 0.52 14.2 Maximum 233.20 14.6 18 200 300 50 SMD(19mmX6.5mm) 25 SMD Package(fig2): Lp1=27nH, Lp2=39nH This may be changed according to PCB. Frequency Characteristic(fig3): 233.15 M H z S A W F -10 1.6 -20 1.5 -30 1.4 G roup D elay (us ) A m plitude(dB ) -40 -50 1.3 -60 1.2 -70 1.1 -80 -90 228.15 229.15 230.15 231.15 232.15 233.15 234.15 235.15 236.15 237.15 238.15 F requenc y (M H z ) 1 232.4 232.55 232.7 232.85 233 233.15 233.3 233.45 233.6 233.75 233.9 F requenc y (M H z ) ************************************************************************************************* |
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