LZU450C / LZU450C4N CERAMIC FILTER
AM• IF ceramic filter for AM use.
FEATURES
• AM use
• IF filter
OPERATING CONDITIONS/ELECTRICAL CHARACTERISTICS
CENTER
RESONATOR
RESISTANCE
TEMPERATURE
COEFFICIENT (TYP)
20 PPM/˚C
PART NUMBER
∆F (Fa – Fr)
APPLICATION
FREQUENCY
LZU 450C
LZU 450C4N
450 ±1KHz
450 ±0.8KHz
20 Ohm Max.
30 Ohm Max.
14 ±2KHz
9 ±2KHz
≤
IF Signal Detection
IF Signal Detection
≤20 PPM/˚C
PACKAGE DIMENSIONS (mm)
7.0 ±0.3
3.5 ±0.3
T
R3
R4
S.S.G.
R1
R2
RF
S.S.G.
T
RF
For Fr and R1
R1=3KΩ
R2=3Ω
For Fa
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
