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LTU-455B2
455±2.0
4
2
±15
±30
27
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
High selectivity type ceramic filters
Pass bandwidths from 30kHz to 4MHz
Easily mounted to PCB
Miniature size
EUROQUARTZ
LTU-455 2 CERAMIC FILTER
4 Element
LTU
R2
R1
RG
RF
V.M.
Output
Input
SSG
Ground
1
2
3
RG+R1=R2=Input/Output Impedance
TEST CIRCUIT
Outline and Dimensions
Attenuation
(dB)
Frequency (kHz)
0
10
20
30
40
50
60
410 420 430 440 450 460 470 480
500
490
LTU-450B2
LTU-450D2
LTU-450H2
Frequency v. Attenuation Characteristics
8.0
8.2
4.0
7.0
2.7
4.3
0.8
Actual size
(outline top view)
Connections
1
2
3
Input
Ground
Output
1
2
3
SPECIFICATION
ELECTRICAL CHARACTERISTICS
Centre
Frequency
(kHz)
Insertion
Loss
(dB max.)
Part
Number
Pass Band
Ripple
(dB max.)
40dB
Bandwidth
(kHz min.)
6dB
Bandwidth
(kHz min.)
Stop Band
Att. ±100kHz
(dB min.)
Input/Output
Impedance
()
W
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
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