EURO QUARTZ LTW33-450 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 2.9 2.9 7.0 2.6 0 11.3 LTW 33-450B LTW 33-450D LTW 33-450H 10 4 3 2 1 4.3 20 5 8.2 2.0 Attenuation 30 (dB) 40 50 4.0 Actual size (outline top view) 60 Connections 1 Input 2, 3, 4 Ground 5 Output 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.) Input/Output Impedance (W) LTW33-450B 450±2 4 2 ±15 ±30 45 1500 LTW33-450C 450±2 4 2 ±12.5 ±24 45 1500 LTW33-450D 450±1.5 4 2 ±10 ±20 45 1500 LTW33-450E 450±1.5 6 2 ±7.5 ±15 45 1500 LTW33-450F 450±1.5 6 2 ±6 ±12.5 45 2000 LTW33-450G 450±1.5 6 2 ±4.5 ±10 45 2000 LTW33-450H 450±1.0 6 2 ±3 ±9 45 2000 LTW33-450I 450±1.0 6 2 ±2 ±7.5 45 2000 LTW33-450HT 450±1.0 6 2 ±3 ±9 60 2000 LTW33-450IT 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] ww.euroquartz.co.uk