EURO QUARTZ LPB-J CERAMIC FILTERS AM use - 2 Element SPECIFICATION 2.6 1 2 9.0 3 5.0 2.5 2.5 Connections 1 Input 2 Ground 3 Output 3.5 Outline and Dimensions ELECTRICAL CHARACTERISTICS Part Number LPB 450J Centre Frequency (fo) 3dB Bandwidth Selectivity (±9kHz off) 450±2.0kHz 5.5±1.5kHz 17dB min. (23) Insertion Loss (dB) max. 6dB max. (3) ( ) = typical values TEST CIRCUIT 3 1 R1 RG E1 2 R2 E2 RF SSG R1+RG=R2=3.0kOhm Insertion Loss = 2xlog(E1/2E2) Recommended IFT Specifications Item 3 2 1 7mm x 7mm IFT 4 1 2 5 85T 67T 2 3 5mm x 5mm IFT 4 6 1 2 2 3 4 6 23T 84T 98T 33T Unloaded Qu 90 65 Tuning Capacity 180pF 180pF 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