LTM450BW

LTM450W SERIES FEATURES FEATURES • Ultra small size • 6.3 mm profile • Broad bandwidth • High selectivity • 6 elements 6 ELEMENT CERAMIC FILTER Ultra small size high selectivity type ceramic filter for communication use. OPERATING CONDITIONS/ELECTRICAL CHARACTERISTICS PART NUMBER LTM450BW LTM450CW LTM450DW LTM450EW LTM450FW LTM450GW LTM450HW LTM450IW LTM450HTW LTM450ITW CENTER FREQUENCY (KHz) 450 450 450 450 450 450 450 450 450 450 ±2.0 ±2.0 ±1.5 ±1.5 ±1.5 ±1.5 ±1.0 ±1.0 ±1.0 ±1.0 INSERTION LOSS (dB) MAX. 4 4 4 6 6 6 6 6 6 6 PASS BAND RIPPLE (dB) MAX. 2 2 2 2 2 2 2 2 2 2 6 dB BANDWIDTH (KHz) MIN. ±15 ±12.5 ±10 ±7.5 ±6 ±4.5 ±3 ±2 ±3 ±2 50 dB BANDWIDTH (dB) MAX. ±30 ±24 ±20 ±15 ±12.5 ±10 ±9 ±7.5 ±9 ±7.5 STOP BAND ATT. ±100KHZ (dB) MIN. 45 45 45 45 45 45 55 55 60 60 INPUT / OUTPUT IMPEDANCE (Ω) 1500 1500 1500 1500 2000 2000 2000 2000 2000 2000 PACKAGE DIMENSIONS (mm) 9.5 6. 4 6.3 1 2 LTM 3 4 5 Rg RF V.M. R2 2.2 S.S.G. Rg+R1=R2=input/output impedance 7.1 Connection 3 4 5 1 Input 2 Output Figure 2) LTM450W – Measuring Circuit 4.3 3 Ground 4 Ground 5 Ground 1 2 0 10 LTM450BW LTM450EW Attenuation (dB) 7.1 2.6 2.9 20 30 40 50 60 LTM450HW Figure 1) LTM450W – Front, Side and Bottom views 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 ≠¬Ø). 410 420 430 440 450 460 470 480 490 500 Frequency (KHz) Figure 3) LTM450W – Characteristics RXD TECHNOLOGIES, LLC., 15004 W. 106TH, Lenexa, KS 66215 Visit us online at www.rxdtech.com 53 913-307-0188 FAX 913-307-0504 800-228-8108