LTM450W SERIES FEATURES 6 ELEMENT CERAMIC FILTER • Ultra small size • 6.3 mm profile • Broad bandwidth • High selectivity • 6 elements Ultra small size high selectivity type ceramic filter for communication use. OPERATING CONDITIONS/ELECTRICAL CHARACTERISTICS CENTER FREQUENCY (KHz) PART NUMBER LTM450BW LTM450CW LTM450DW LTM450EW LTM450FW LTM450GW LTM450HW LTM450IW LTM450HTW LTM450ITW 450 450 450 450 450 450 450 450 450 450 INSERTION LOSS (dB) MAX. PASS BAND RIPPLE (dB) MAX. 6 dB BANDWIDTH (KHz) MIN. 50 dB BANDWIDTH (dB) MAX. STOP BAND ATT. ±100KHZ (dB) MIN. INPUT / OUTPUT IMPEDANCE (Ω) 4 4 4 6 6 6 6 6 6 6 2 2 2 2 2 2 2 2 2 2 ±15 ±12.5 ±10 ±7.5 ±6 ±4.5 ±3 ±2 ±3 ±2 ±30 ±24 ±20 ±15 ±12.5 ±10 ±9 ±7.5 ±9 ±7.5 45 45 45 45 45 45 55 55 60 60 1500 1500 1500 1500 2000 2000 2000 2000 2000 2000 ±2.0 ±2.0 ±1.5 ±1.5 ±1.5 ±1.5 ±1.0 ±1.0 ±1.0 ±1.0 PACKAGE DIMENSIONS (mm) 6.4 9.5 2 6.3 1 LTM 3 4 RF V.M. 5 Rg 2.2 S.S.G. R2 Rg+R1=R2=input/output impedance 7.1 Connection 3 4 5 1 Input 4.3 2 Output 2 1 Figure 2) LTM450W – Measuring Circuit 3 Ground 4 Ground 5 Ground 0 LTM450BW 10 2.6 Attenuation (dB) 7.1 2.9 LTM450EW 20 LTM450HW 30 40 50 Figure 1) LTM450W – Front, Side and Bottom views 60 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 913-307-0188 FAX 913-307-0504 53 800-228-8108