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| EUROQUARTZ *High selectivity type ceramic filters *A variety of bandwidths available *Easily mounted to PCB *Miniature size LTM-450W CERAMIC FILTER 6 Element SPECIFICATION Frequency v. Attenuation Characteristics 2.4 2.6 2.9 3 1 0.9 7.1 2.2 Connections 1 Input 2 Output 3,4,5 Ground 4 2 5 4.3 6.3 6.4 9.5 0 10 20 Attenuation 30 (dB) 40 50 60 70 410 420 430 440 450 460 470 480 490 500 Frequency (kHz) LTM-450BW LTM-450EW LTM-450HW Actual size (outline top view) Outline and Dimensions ELECTRICAL CHARACTERISTICS Part Number LTM 450BW LTM 450CW LTM 450DW LTM 450EW LTM 450FW LTM 450GW LTM 450HW LTM 450IW LTM 450HTW LTM 450ITW Centre Frequency (kHz) 4502 4502 4501.5 4501.5 4501.5 4501.5 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 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 55 55 60 60 Input/Output Impedance (W) 1500 1500 1500 1500 2000 2000 2000 2000 2000 2000 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 www.euroquartz.co.uk |
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