LTU-450I2

EURO QUARTZ •High selectivity type ceramic filters •Pass bandwidths from 30kHz to 4MHz •Easily mounted to PCB •Miniature size LTU-450 2 CERAMIC FILTER 4 Element SPECIFICATION Frequency v. Attenuation Characteristics 21 3 0.8 4.3 2.7 4.0 Actual size (outline top view) Connections 1 Input 2 Ground 3 Output 7.0 8.0 0 LTU-450B2 LTU-450D2 LTU-450H2 8.2 10 20 Attenuation 30 (dB) 40 50 60 410 420 430 440 450 460 470 480 490 500 Frequency (kHz) Outline and Dimensions ELECTRICAL CHARACTERISTICS Part Number Centre Frequency (kHz) 450±2.0 450±2.0 450±1.5 450±1.5 450±1.5 450±1.0 450±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 40dB Bandwidth (kHz min.) ±30 ±24 ±20 ±15 ±12.5 ±10 ±9 ±7.5 ±9 ±7.5 Stop Band Att. ±100kHz (dB min.) 27 27 27 27 27 25 25 25 35 35 Input/Output Impedance (W) 1500 1500 1500 1500 2000 2000 2000 2000 2000 2000 LTU-450B2 LTU-450C2 LTU-450D2 LTU-450E2 LTU-450F2 LTU-450G2 LTU-450H2 LTU-450I2 LTU-450HT LTU-450IT TEST CIRCUIT Input 1 R1 RG LTU Output 3 2 Ground SSG 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 www.euroquartz.co.uk