SFU455 데이터시트 (PDF)

PIEZO FILTERS CERAMIC FILTERS FOR AM APPLICATIONS SFU450, 455kHz The following filters were designed to address the needs of standard AM filtering requirements. These filters are recommended for use in low cost products where economically, efficient designs are critical. SPECIFICATIONS Part Number SFU455A SFU450, 455kHz 3dB Bandwidth (kHz) 10 (±3) Ripple (dB) max. 0 Selectivity F0 ± 9kH- 4@ 10kH- 6@+10kH- 4@+10kH- 6@ 10kH- Termination Impedance (Ohms) max. 3k Spurious Response (dB) min. 1