LTW33-450G

EURO QUARTZ •High selectivity type ceramic filters •A variety of bandwidths available •Easily mounted to PCB •Miniature size LTW33-450 CERAMIC FILTER 6 Element SPECIFICATION Frequency v. Attenuation Characteristics 2.9 4 5 2.9 2.6 4.3 7.0 11.3 0 10 32 1 20 LTW 33-450B LTW 33-450D LTW 33-450H 8.2 2.0 4.0 Connections 1 Input 2, 3, 4 Ground 5 Output Attenuation 30 (dB) 40 50 60 70 410 420 430 440 450 460 470 480 490 500 Frequency (kHz) Actual size (outline top view) Outline and Dimensions ELECTRICAL CHARACTERISTICS Part Number Centre Frequency (kHz) 450±2 450±2 450±1.5 450±1.5 450±1.5 450±1.5 450±1.0 450±1.0 450±1.0 450±1.0 Insertion Loss (dB max.) 4 4 4 6 6 6 6 6 6 6 Pass Band Ripple (dB max.) 2 2 2 2 2 2 2 2 2 2 6dB Bandwidth (kHz min.) ±15 ±12.5 ±10 ±7.5 ±6 ±4.5 ±3 ±2 ±3 ±2 50dB Bandwidth (kHz min.) ±30 ±24 ±20 ±15 ±12.5 ±10 ±9 ±7.5 ±9 ±7.5 Stop Band Att. ±100kHz (dB min.) 45 45 45 45 45 45 45 45 60 60 Input/Output Impedance (W) 1500 1500 1500 1500 2000 2000 2000 2000 2000 2000 LTW33-450B LTW33-450C LTW33-450D LTW33-450E LTW33-450F LTW33-450G LTW33-450H LTW33-450I LTW33-450HT LTW33-450IT TEST CIRCUIT Input 1 R1 RG LTW Output 5 2 3 Ground SSG 4 R2 RF V.M. 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: sales@euroquartz.co.uk ww.euroquartz.co.uk