LZU450C / LZU450C4N CERAMIC FILTER AM•IF ceramic filter for AM use. FEATURES • AM use • IF filter OPERATING CONDITIONS/ELECTRICAL CHARACTERISTICS CENTER FREQUENCY 450 ±1KHz 450 ±0.8KHz PART NUMBER LZU 450C LZU 450C4N RESONATOR RESISTANCE 20 Ohm Max. 30 Ohm Max. ∆F (Fa – Fr) 14 ±2KHz 9 ±2KHz TEMPERATURE COEFFICIENT (TYP) ≤ 20 PPM/ ˚C ≤20 PPM/ ˚C APPLICATION IF Signal Detection IF Signal Detection PACKAGE DIMENSIONS (mm) 7.0 ±0.3 3.5 ±0.3 T 3.5 ±0.5 9.0 ±0.3 R3 S.S.G. R1 R2 For Fr and R1 RF R1=3KΩ R2=3Ω R4 S.S.G. T For Fa RF R3=R4=50KΩ 5.0 ±0.5 Figure 2) LZU450C / LZU450C4N – Measuring Circuit Figure 1) LZU450C / LZU450C4N Front and Side views ECS, INC. INTERNATIONAL 1105 S. RIDGEVIEW, OLATHE, KS 66062 • 913-782-7787 • 800-237-1041 • FAX 913-782-6991 • WWW.ECSXTAL.COM CERAMIC FILTERS 66 CERAMIC FILTERS