LZU450C, LZU450C4N CERAMIC FILTERS
EUROQUARTZ
AM use - IF 450kHz
SPECIFICATION
3.5
7.0
9.0
3.5
Outline and Dimensions
ELECTRICAL CHARACTERISTICS
Resonator
Resistance
(W) max.
Part
Number
Centre
Frequency
Temperature
Coefficient
DF(Fa-Fr)
Application
LZU 450C
450± ±10ꢀkH
20
30
±4± 2ꢀkH
9± 2ꢀkH
<20ppm/°C
<20ppm/°C
IF Signal
LZU 450C4N 450± 01.ꢀkZ
Detection
Test Circuit for Fr and R1
Test Circuit for Fa
R4
R3
T
RF
R1
T
R2
RF
SSG
SSG
R1 = 3kOhm
R2 = 3 Ohm
R3 = R4 = 50kOhm
EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE
Tel: +44(0)1460 230000 Fax: +44(0)1460 230001 Email: sales@euroquartz.co.uk www.euroquartz.co.uk