EURO
QUARTZ
•
High selectivity type ceramic filters
•
A variety of bandwidths available
•
Easily mounted to PCB
•
Miniature size
LTS-455W CERAMIC FILTER
6 Element
SPECIFICATION
Frequency v. Attenuation Characteristics
2.9
4
5
2.9
2.6
7.0
11.3
0
10
3 2 1 4.3
7.5
2.0
3.5
Connections
1
Input
2, 3, 4 Ground
5
Output
20
Attenuation 30
(dB)
40
50
60
LTS-455BW
LTS-455EW
LTS-455HW
Actual size
(outline top view)
Outline and Dimensions
70
410 420 430 440 450 460 470 480 490 500
Frequency (kHz)
ELECTRICAL CHARACTERISTICS
Part
Number
Centre
Frequency
(kHz)
455±2
455±2
455±1.5
455±1.5
455±1.5
455±1.5
455±1.0
455±1.0
455±1.0
455±1.0
Insertion
Loss
(dB max.)
4
4
4
6
6
6
6
6
6
6
Pass Band
Ripple
(dB max.)
2
2
2
2
2
2
2
2
2
2
6dB
Bandwidth
(kHz min.)
±15
±12.5
±10
±7.5
±6
±4.5
±3
±2
±3
±2
50dB
Bandwidth
(kHz min.)
±30
±24
±20
±15
±12.5
±10
±9
±7.5
±9
±7.5
Stop Band
Att. ±100kHz
(dB min.)
45
45
45
45
45
45
45
45
60
60
Input/Output
Impedance
(
W
)
1500
1500
1500
1500
2000
2000
2000
2000
2000
2000
LTS 455BW
LTS 455CW
LTS 455DW
LTS 455EW
LTS 455FW
LTS 455GW
LTS 455HW
LTS 455IW
LTS 455HTW
LTS 455ITW
TEST CIRCUIT
Input 1
R1
RG
LTW
Output 5
2
3
Ground
SSG
4
R2
RF
V.M.
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: sales@euroquartz.co.uk www.euroquartz.co.uk
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