SHOULDER ELECTRONICS CO., LTD. CERAMIC FILTER Data Sheet PRODUCT 产 品: CERAMIC FILTER MODEL NO 型 号: LT....U PREPARED 编 制: Fengyu CHECKED 审 核: York APPROVED 批 准: DATE Http://www.shoulder.cn 日 期: 2007-01-25 SHOULDER ELECTRONICS CO., LTD. LT 455(450)…W SERIES Part Number LT450BU LT455BU LT450CU LT455CU LT450DU LT455DU LT450EU LT455EU LT450FU LT455FU LT450GU LT455GU LT450HU LT455HU LT450IU LT455IU LT450HTU LT455HTU Center Frequency (KHz) 450 2.0 455 2.0 450 2.0 455 2.0 450 1.5 455 1.5 450 1.5 455 1.5 450 1.5 455 1.5 450 1.5 455 1.5 450 1.0 455 1.0 450 1.0 455 1.0 450 1.0 455 1.0 Insertion Loss (dB) 4 4 4 4 4 4 6 6 6 6 6 6 6 6 6 6 6 6 PassBand Ripple (dB) max 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 6dB Bandwidth (KHz) min 15 15 12.5 12.5 10 10 7.5 7.5 6 6 4.5 4.5 3 3 2 2 3 3 50dB Bandwidth (KHz) min 30 30 24 24 20 20 15 15 12.5 12.5 10 10 9 9 7.5 7.5 9 9 Stop Band Att. 10 KHz (dB) min 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 30 35 35 I/O Impedance ( ) 1500 1500 1500 1500 1500 1500 1500 1500 2000 2000 2000 2000 2000 2000 2000 2000 2000 2000