LPU-B EUROQUARTZ | Alldatasheet
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Technical content
LPU455B 1-±3 5(7.5) 3(5.5) 5(3) 1 Element (connected with IFT) with IFT LPZ455JL 5.5±1 18(20) 18(20) 7(3.5) 2 Elements Direct coupling type 3dB Bandwidth (kHz) Outline and Dimensions Part Number Selectivity RG RF V.M. SSG Ground LPU Input Output1 3LPU Series -9 kHz off (dB) min. +9 kHz off (dB) min. Insertion Loss (dB) max. Composition * 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. 7.5 9.0 3.5 3.5 Connections Input Output Ground 2.52.5 Outline and Dimensions 7.0 9.0 3.5 7.0 Connections 2, 5 3, 4 Input Output Direct Coupled Output 3.6 2.5 1 23 2.5 Winding Specifications 70T 115T 7T 68T 84T 14T Unloaded Qu 105 90 Tuning Capacity 180pF 180pF Item LPU455B 1-2 2-3 4-6 LPZ455JL 1- 2 2- 3 4- 6 RF V.M. SSG RG=50 Ohm Ground LPZ 3LPZ Series 4 LPU-SERIES LPZ-SERIES ( ) = typical values EUROQUARTZ LPU-B, LPZ-JL CERAMIC FILTERS AM - IF 450 to 470kHz SPECIFICATION TEST CIRCUIT
ELECTRICAL CHARACTERISTICS
EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE