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| EUROQUARTZ *High selectivity type ceramic filters *Pass bandwidths from 30kHz to 4MHz *Easily mounted to PCB *Miniature size LTM-450 U CERAMIC FILTER 4 Element SPECIFICATION Frequency v. Attenuation Characteristics 1 2 3 4 4.3 2.4 1.8 0.8 4.0 Connections 1 Input 2 Output 3 Ground 4 Ground 7.0 7.0 0 6.5 10 20 Attenuation 30 (dB) 40 50 60 LTM-450BU LTM-450EU LTM-450HU Actual size (outline top view) 410 420 430 440 450 460 470 480 490 500 Frequency (kHz) Outline and Dimensions ELECTRICAL CHARACTERISTICS Part Number Centre Frequency (kHz) 4502.0 4502.0 4501.5 4501.5 4501.5 4501.0 4501.0 4501.0 4501.0 4501.0 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 LTM-450BU LTM-450CU LTM-450DU LTM-450EU LTM-450FU LTM-450GU LTM-450HU LTM-450IU LTM-450HTU LTM-450ITU ( ) = typical values TEST CIRCUIT Input 1 R1 RG LTMU Output 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 www.euroquartz.co.uk |
Price & Availability of LTM-450
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