All products listed on this page have been PIEZO FILTERS MULTI-ELEMENT de-emphasized and should not be used for new designs. HIGH PERFORMANCE CFM/CFJ/CFR/CFS/CFL 455kHz The following lines of filters are high performance devices that achieve ultimate stopband attenuation through the use of multiple piezoelectric elements connected in ladder form. A few of the recommended applications for these filters include high class receivers. SSB communications equipment, pocket pagers and mobile radios. CFM 455 9 Ceramic Elements CFJ 455K 11 Ceramic Elements CFR 455 11 Elements Filters CFS 455 15 Element Filters CFL 455 9 Element Filters (GDT Improved) (NOT available in 450kHz.) SPECIFICATIONS CFM/CFJ/CFR/CFS/CFL 455kHz Attenuation Spurious GroupDelay Loss Input/Output 455100kHz 0.1 ~ 1MHz Insertion Impedance Time Dev. (dB) max. (dB) min. (dB) min. (Ohms) sec. max. (kHz) 50 30 3 1000 __________________________________________________ 50 30 3 1000 __________________________________________________ 50 30 3 1000 __________________________________________________ 50 30 3 1500 __________________________________________________ 45 30 5 1500 __________________________________________________ 45 30 6 2000 __________________________________________________ 45 30 6 2000 __________________________________________________ 45 30 6 2000 __________________________________________________ 45 30 7 2000 60 40 4 1000 __________________________________________________ 60 40 4 1000 __________________________________________________ 60 40 4 1000 __________________________________________________ 60 40 4 1500 __________________________________________________ 55 40 6 1500 __________________________________________________ 55 40 6 2000 __________________________________________________ 55 40 6 2000 __________________________________________________ 55 40 7 2000 __________________________________________________ 55 40 8 2000 __________________________________________________ 55 40 8 2000 40 at 600 -- 60 6 2000 __________________________________________________ ~ 700kHz CFJ455K14 455 -- 1.1 ~ 1.3 2 4.5 (Total) ________________________________________________________ CFJ455K8 455 -- 1.0 (Total) 1.5 3.0 (Total) CFS455A 455 13 17.5 3 30 ________________________________________________________ CFS455B 455 10 15 3 25 ________________________________________________________ CFS455C 455 9 13 3 23 ________________________________________________________ CFS455D 455 7 10 3 20 ________________________________________________________ CFS455E 455 5.5 8 3 15 ________________________________________________________ CFS455F 455 4.2 6 3 12 ________________________________________________________ CFS455G 455 -- 4 3 9 ________________________________________________________ CFS455H 455 -- 3 3 7.5 ________________________________________________________ CFS455I 455 -- 2 3 5 ________________________________________________________ CFS455J 455 -- 1.5 3 4.5 CFL455BG5 455 10.5 13.5 0.5 27.5 ________________________________________________________ CFL455CG1 455 9.5 12.0 0.5 25.5 ________________________________________________________ CFL455DG2 455 7.0 9.0 0.5 21.0 ________________________________________________________ CFL455EG1 455 5.0 7.0 0.5 18 at 600 -- 60 40 7 2000 ~ 700kHz __________________________________________________ 60 -- 8 2000 70 50 4 1500 __________________________________________________ 70 50 4 1500 __________________________________________________ 70 50 4 1500 __________________________________________________ 70 50 4 1500 __________________________________________________ 70 50 6 1500 __________________________________________________ 70 50 6 2000 __________________________________________________ 70 50 6 2000 __________________________________________________ 70 50 7 2000 __________________________________________________ 70 50 8 2000 __________________________________________________ 60 50 8 2000 60 30 10 1000 25(45510.5) 60 30 10 1000 35(4559.5) 60 30 11 1000 35(4557) 60 30 13 1500 30(4555) 60 80 60 DIMENSIONS: mm CFM 455 CFR 455 20.0 23.5 (3) (4) 16.8 4.2 7.5 (1) (2) (3) (4) 20.0 7.5 (1) (2) (3) (4) 20.0 1.5 4 - .5 Dia. 4 - .8 Dia. 4 - .8 Dia. 4.0 4.0 4.0 1.5 1.2 4 - .8 Dia. 10.5 10.5 4.0 1.2 4 - .8 Dia. 16.5 10.5 4.0 4.0 CFL 455G 29.0 10.5 1.2 CFS 455 23.5 10.5 (1) (2) CFJ 455K 4.0 7.5 (1) (2) (3) (4) 26.0 4.0 7.5 4.2 7.4 14.2 *Note: For safety purposes, connect the output of filters to the IF amplifier through a DC blocking capacitor. Avoid applying a direct current to the output of ceramic filters. CG01-J Rev. 1 433 PIEZO FILTERS Bandwidth Nominal Center 3dB 6dB Part Ripple Frequency Bandwidth Bandwidth (kHz) At Number (kHz) (kHz) min. (kHz) min. (dB) max. max. (dB) CFM455A 455 13 17.5 3 30 ________________________________________________________ CFM455B 455 10 15 3 25 ________________________________________________________ CFM455C 455 9 13 3 23 ________________________________________________________ CFM455D 455 7 10 3 20 ________________________________________________________ CFM455E 455 5.5 8 3 16 60 ________________________________________________________ CFM455F 455 4.2 6 3 12 ________________________________________________________ CFM455G 455 -- 4 3 10 ________________________________________________________ CFM455H 455 -- 3 3 7.5 ________________________________________________________ CFM455I 455 -- 2 3 5 CFR455A 455 13 17.5 3 30 ________________________________________________________ CFR4558 455 10 15 3 25 ________________________________________________________ CFR455C 455 9 13 3 23 ________________________________________________________ CFR455D 455 7 10 3 20 ________________________________________________________ CFR455E 455 5.5 8 3 16 70 ________________________________________________________ CFR455F 455 4.2 6 3 12 ________________________________________________________ CFR455G 455 -- 4 3 10 ________________________________________________________ CFR455H 455 -- 3 3 7.5 ________________________________________________________ CFR455I 455 -- 2 3 5 ________________________________________________________ CFR455J 455 -- 1.5 3 4.5 CFJ455K5 455 -- 2.4 (Total) 2 4.5 (Total) ________________________________________________________