EUROQUARTZ LTU-455F2 Ceramic filter Datasheet

EURO QUARTZ
LTU-455 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.)
LTU-455B2
455±2.0
4
2
±15
40dB
Bandwidth
(kHz min.)
±30
Stop Band
Att. ±100kHz
(dB min.)
27
Input/Output
Impedance
(W)
1500
LTU-455C2
455±2.0
4
2
±12.5
±24
27
1500
LTU-455D2
455±1.5
4
2
±10
±20
27
1500
LTU-455E2
455±1.5
6
2
±7.5
±15
27
1500
LTU-455F2
455±1.5
6
2
±6
±12.5
27
2000
LTU-455G2
455±1.0
6
2
±4.5
±10
25
2000
LTU-455H2
455±1.0
6
2
±3
±9
25
2000
LTU-455I2
455±1.0
6
2
±2
±7.5
25
2000
LTU-455HT
455±1.0
6
2
±3
±9
35
2000
LTU-455IT
455±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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