SHOULDER ELECTRONICS CO., LTD. CERAMIC FILTER Data Sheet PRODUCT 产 品: CERAMIC FILTER MODEL NO 型 号: LTM....W 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. LTM 455(450)…W SERIES Part Number LTM450BW LTM455BW LTM450CW LTM455CW LTM450DW LTM455DW LTM450EW LTM455EW LTM450FW LTM455FW LTM450GW LTM455GW LTM450HW LTM455HW LTM450IW LTM455IW LTM450HTW LTM455HTW 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 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 40 60 40 I/O Impedance ( ) 1500 1500 1500 1500 1500 1500 1500 1500 2000 2000 2000 2000 2000 2000 2000 2000 2000 2000