EURO QUARTZ LTM-455W CERAMIC FILTER •High selectivity type ceramic filters •A variety of bandwidths available •Easily mounted to PCB •Miniature size 6 Element SPECIFICATION Frequency v. Attenuation Characteristics 6.4 2.4 2.6 2.9 3 4 0 5 LTM-455BW LTM-455EW LTM-455HW 10 4.3 2 1 0.9 9.5 20 6.3 Attenuation 30 (dB) 40 7.1 2.2 Actual size (outline top view) 50 Connections 1 Input 2 Output 3,4,5 Ground 60 70 410 420 430 440 450 460 470 480 490 500 Frequency (kHz) Outline and Dimensions ELECTRICAL CHARACTERISTICS 50dB Bandwidth (kHz min.) Stop Band Att. ±100kHz (dB min.) Input/Output Impedance (W) ±30 45 1500 ±12.5 ±24 45 1500 ±10 ±20 45 1500 ±7.5 ±15 45 1500 ±6 ±12.5 45 2000 Centre Frequency (kHz) Insertion Loss (dB max.) Pass Band Ripple (dB max.) LTM 455BW 455±2 4 2 ±15 LTM 455CW 455±2 4 2 LTM 455DW 455±1.5 4 2 LTM 455EW 455±1.5 6 2 LTM 455FW 455±1.5 6 2 LTM 455GW 455±1.5 6 2 ±4.5 ±10 45 2000 LTM 455HW 455±1.0 6 2 ±3 ±9 55 2000 LTM 455IW 455±1.0 6 2 ±2 ±7.5 55 2000 LTM 455HTW 455±1.0 6 2 ±3 ±9 60 2000 LTM 455ITW 455±1.0 6 2 ±2 ±7.5 60 2000 Part Number 6dB Bandwidth (kHz min.) TEST CIRCUIT Input 1 Output 5 LTW R1 2 RG 4 3 Ground R2 RF V.M. SSG RG+R1=R2=Input/Output Impedance EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE Tel: +44(0)1460 230000 Fax: +44(0)1460 230001 Email: [email protected] www.euroquartz.co.uk