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| EUROQUARTZ LPU-B, LPZ-JL CERAMIC FILTERS AM - IF 450 to 470kHz SPECIFICATION LPU-SERIES 3.5 7.5 LPZ-SERIES 1 6 2 5 3 4 3.6 7.0 7.0 9.0 Connections 1 Input 2 Output 3 Ground 2.5 2.5 Connections 1 Input 2, 5 Output 3, 4 Direct Coupled 6 Output 9.0 2.5 2.5 3.5 3.5 Outline and Dimensions Outline and Dimensions ELECTRICAL CHARACTERISTICS Part Number 3dB Bandwidth (kHz) 1-3 5.51 Selectivity -9 kHz off +9 kHz off (dB) min. (dB) min. 5(7.5) 18(20) 3(5.5) 18(20) Insertion Loss (dB) max. 5(3) 7(3.5) Composition LPU455B (connected with IFT) LPZ455JL 1 Element with IFT 2 Elements Direct coupling type * Centre Frequency (fo) is available in the range from 450kHz to 470kHz. The standard tolerance of fo is 2kHz. For synthesizers and digital indicators a tolerance of 1kHz is available. The LP455JL series, with its two directly coupled elements, realizes a high degree of selectivity. The series features excellent matching characteristics for IFT. Item Winding Specifications Unloaded Qu Tuning Capacity 1-2 70T LPU455B 2-3 4-6 115T 105 180pF 7T 1 -2 68T LPZ455JL 2 -3 4 -6 84T 90 180pF 14T * ( ) = typical values TEST CIRCUIT LPU Series Input 1 LPU R1 RG 2 Ground R2 3 Output LPZ Series R1 3 2 LPZ 4 5 6 3k 1 Ground RF V.M. SSG SSG RG=50 Ohm RF V.M. 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 LPZ455JL
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