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EUROQUARTZ *High selectivity type ceramic fiLTErs *Pass bandwidths from 30kHz to 4MHz *Easily mounted to PCB *Miniature size LTE CERAMIC FILTER TV SIF Stage SPECIFICATION LTE 4.5MB Frequency v. Attenuation Characteristics 3.01 7.52 0 9.02 10 Attenuation (dB) 20 0.30.1 0.60.1 5.02 Connections 1 Input 2 Ground 3 Output 2.50.2 3 2 2.50.2 1 30 4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8 4.9 Frequency (MHz) Outline and Dimensions ELECTRICAL CHARACTERISTICS Part Number 3dB Bandwidth (kHz) min. 20dB Bandwidth (kHz) max. Insertion Loss (dB) max. Spurious Response (dB) min. Input/Output Impedance (W) 1000 600 470 470 LTE 4.5 MB LTE 5.5 MB LTE 6.0 MB LTE 6.5 MB +60(105) +75(120) +80(130) +80(130) 530(420) 550(470) 600(500) 630(530) 6(4) 6(3) 6(2.5) 6(2.5) 20(4.5+0.8, 1.0MHz) 25(5.51.0MHz) 25(6.01.0MHz) 25(6.51.0MHz) ( ) = typical values LTE 4.5MB Spurious characteristics (0 to 10MHz) 0 10 20 TEST CIRCUIT Input 1 LTE R1 Output 3 2 RG Ground SSG R2 C RF V.M. Attenuation 30 (dB) 40 50 60 70 RG+R1=R2=Input/Output Impedance C=10pF (Including stray capacitance and input capacitance of RF Voltmeter) 0 1 2 3 4 5 6 7 8 9 10 Frequency (MHz) 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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