EURO QUARTZ LTE CERAMIC FILTER •High selectivity type ceramic filters •Pass bandwidths from 30kHz to 4MHz •Easily mounted to PCB •Miniature size TV SIF Stage SPECIFICATION LTE 4.5MB Frequency v. Attenuation Characteristics 7.5±2 3.0±1 0 9.0±2 0.3±0.1 0.6±0.1 5.0±2 2.5±0.2 Connections 1 Input 2 Ground 3 Output 3 2 10 Attenuation (dB) 20 2.5±0.2 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 Spurious Response (dB) min. Input/Output Impedance (W) 6(4) 20(4.5+0.8, 1.0MHz) 1000 6(3) 25(5.5±1.0MHz) 600 600(500) 6(2.5) 25(6.0±1.0MHz) 470 630(530) 6(2.5) 25(6.5±1.0MHz) 470 Part Number 3dB Bandwidth (kHz) min. 20dB Bandwidth (kHz) max. LTE 4.5 MB +60(±105) 530(420) LTE 5.5 MB +75(±120) 550(470) LTE 6.0 MB +80(±130) LTE 6.5 MB +80(±130) ( ) = typical values TEST CIRCUIT LTE 4.5MB Spurious characteristics (0 to 10MHz) 0 Input 1 Output 3 LTE 2 Ground 10 20 R1 RG Insertion Loss (dB) max. R2 C RF V.M. Attenuation 30 (dB) 40 50 SSG 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: [email protected] www.euroquartz.co.uk