EUROQUARTZ LTU-450I2 Ceramic filter Datasheet

EURO QUARTZ
LTU-450 2 CERAMIC FILTER
•High selectivity type ceramic filters
•Pass bandwidths from 30kHz to 4MHz
•Easily mounted to PCB
•Miniature size
4 Element
SPECIFICATION
Frequency v. Attenuation Characteristics
7.0
2 1
8.0
0
4.3
3
20
2.7
0.8
LTU-450B2
LTU-450D2
LTU-450H2
10
8.2
Attenuation 30
(dB)
40
4.0
Actual size
(outline top view)
Connections
1
Input
2
Ground
3
Output
50
60
410 420 430 440 450 460 470 480 490 500
Frequency (kHz)
Outline and Dimensions
ELECTRICAL CHARACTERISTICS
Part
Number
Centre
Frequency
(kHz)
Insertion
Loss
(dB max.)
Pass Band
Ripple
(dB max.)
6dB
Bandwidth
(kHz min.)
40dB
Bandwidth
(kHz min.)
Stop Band
Att. ±100kHz
(dB min.)
Input/Output
Impedance
(W)
LTU-450B2
450±2.0
4
2
±15
±30
27
1500
LTU-450C2
450±2.0
4
2
±12.5
±24
27
1500
LTU-450D2
450±1.5
4
2
±10
±20
27
1500
LTU-450E2
450±1.5
6
2
±7.5
±15
27
1500
LTU-450F2
450±1.5
6
2
±6
±12.5
27
2000
LTU-450G2
450±1.0
6
2
±4.5
±10
25
2000
LTU-450H2
450±1.0
6
2
±3
±9
25
2000
LTU-450I2
450±1.0
6
2
±2
±7.5
25
2000
LTU-450HT
450±1.0
6
2
±3
±9
35
2000
LTU-450IT
450±1.0
6
2
±2
±7.5
35
2000
TEST CIRCUIT
Input 1
R1
Output 3
LTU
2
RG
Ground
R2
RF
V.M.
SSG
RG+R1=R2=Input/Output Impedance
EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE
Tel: +44(0)1460 230000 Fax: +44(0)1460 230001 Email: [email protected] www.euroquartz.co.uk
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