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LTM455ITW Datasheet(PDF) 1 Page - ECS, Inc. |
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LTM455ITW Datasheet(HTML) 1 Page - ECS, Inc. |
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1 / 1 page 81 ECS, INC. INTERNATIONAL 1105 S. RIDGEVIEW, OLATHE, KS 66062 • 913-782-7787 • 800-237-1041 • FAX 913-782-6991 • WWW.ECSXTAL.COM CERAMIC FILTERS CERAMIC FILTERS LTM455W SERIES 6 ELEMENT CERAMIC FILTER 7.1 9.5 6.4 3 4 5 2 1 Connection Input Ground Output Ground Ground 3 4 5 2 1 2.6 2.9 7.1 Figure 1) LTM455W – Front, Side and Bottom views Ultra small size high selectivity type ceramic filter for communication use. FEATURES • Ultra small size • 6.3 mm profile • Broad bandwidth • RoHS Compliante (Note 7 exemption) • 6 elements Rg Rg+R1=R2=input/output impedance S.S.G. LTM V.M. RF R2 1 2 3 4 5 Figure 2) LTM455W – Measuring Circuit Frequency (KHz) 0 10 20 30 40 50 60 410 420 430 440 450 460 470 480 490 500 LTM455BW LTM455EW LTM455HW Figure 3) LTM455W – Characteristics PACKAGE DIMENSIONS (mm) OPERATING CONDITIONS/ELECTRICAL CHARACTERISTICS CENTER INSERTION PASS BAND 6 dB 50 dB STOP BAND ATT. INPUT / OUTPUT PART NUMBER FREQUENCY LOSS RIPPLE BANDWIDTH BANDWIDTH ±100KHZ IMPEDANCE (KHz) (dB) MAX. (dB) MAX. (KHz) MIN. (dB) MAX. (dB) MIN. ( Ω) LTM455BW 455 ±2.0 4 2 ±15 ±30 45 1500 LTM455CW 455 ±2.0 4 2 ±12.5 ±24 45 1500 LTM455DW 455 ±1.5 4 2 ±10 ±20 45 1500 LTM455EW 455 ±1.5 6 2 ±7.5 ±15 45 1500 LTM455FW 455 ±1.5 6 2 ±6 ±12.5 45 2000 LTM455GW 455 ±1.5 6 2 ±4.5 ±10 45 2000 LTM455HW 455 ±1.0 6 2 ±3 ±9 45 2000 LTM455IW 455 ±1.0 6 2 ±2 ±7.5 45 2000 LTM455HTW 455 ±1.0 6 2 ±3 ±9 60 2000 LTM455ITW 455 ±1.0 6 2 ±2 ±7.5 60 2000 Note: To avoid potential problems, connect the output to an IF amplifier through a DC cut capacitor. Avoid applying a direct current to output end of the ceramic filters (between | and y➂{). |
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