EURO QUARTZ LPP450, LPP459 CERAMIC FILTERS AM use - 4 Element SPECIFICATION TEST CIRCUIT 3 1 7.0 2 1 8.0 R1 RG 3 0.8 2 4.3 8.2 C R2 RF SSG 2.7 RG+R1=R2, C <50pF 4.0 Actual size (outline top view) LPP450H (IFT Data) Outline and Dimensions Connections 1 Input 2 Ground 3 Output 4 3 2 1 5 1 2 2 3 4 6 60T 125T 28T Qu CT 40 180pF ELECTRICAL CHARACTERISTICS Part Number LPP450D Bandwidth 6dB (kHz) min. ±10 LPP459D LPP450F ±6.0 Input/Output Impedance (W) Centre Frequency (kHz) ±20kHz 4.0 1500 450±1 ±12.5kHz 459±1 6.0 1500 off 40 (50) ±4.5 LPP459G LPP450H Insertion Loss (dB) max. off 40 (50) LPP459F LPP450G Selectivity (dB) min. ±9kHz 459±1 6.0 2000 off 30 (40) ±3.0 LPP459H ±9kHz 450±1 459±1 6.0 2000 off 40 (50) Characteristics 430kHz to 480kHz 450±1 450±1 459±1 ( ) = typical values 355kHz to 555kHz 10kHz to 10000kHz CH1 A/R logMAG 10dB/REF -50dB CH2 A/R logMAG 1dB/REF -5dB CH1 A/R logMAG 10dB/REF -50dB CH1 A/R logMAG 10dB/REF -50dB Start 430kHz Start 355kHz Start 10kHz Stop 480kHz Stop 555kHz Stop 1MHz 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