EURO QUARTZ LTM-450W 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-450BW LTM-450EW LTM-450HW 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 Centre Frequency (kHz) Part Number Insertion Loss (dB max.) Pass Band Ripple (dB max.) 6dB Bandwidth (kHz min.) 50dB Bandwidth (kHz min.) Stop Band Att. ±100kHz (dB min.) ±30 45 1500 Input/Output Impedance (W) LTM 450BW 450±2 4 2 ±15 LTM 450CW 450±2 4 2 ±12.5 ±24 45 1500 LTM 450DW 450±1.5 4 2 ±10 ±20 45 1500 LTM 450EW 450±1.5 6 2 ±7.5 ±15 45 1500 LTM 450FW 450±1.5 6 2 ±6 ±12.5 45 2000 LTM 450GW 450±1.5 6 2 ±4.5 ±10 45 2000 LTM 450HW 450±1.0 6 2 ±3 ±9 55 2000 LTM 450IW 450±1.0 6 2 ±2 ±7.5 55 2000 LTM 450HTW 450±1.0 6 2 ±3 ±9 60 2000 LTM 450ITW 450±1.0 6 2 ±2 ±7.5 60 2000 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