EUROQUARTZ LTM450IW Ceramic filter Datasheet

EURO QUARTZ
LTM-450W CERAMIC FILTER
•High selectivity type ceramic filters
•A variety of bandwidths available
•Easily mounted to PCB
•Miniature size
6 Element
SPECIFICATION
Frequency v. Attenuation Characteristics
6.4
2.4 2.6 2.9
3
4
0
5
LTM-450BW
LTM-450EW
LTM-450HW
10
4.3
2
1
0.9
9.5
20
6.3
Attenuation 30
(dB)
40
7.1
2.2
Actual size
(outline top view)
50
Connections
1
Input
2
Output
3,4,5
Ground
60
70
410 420 430 440 450 460 470 480 490 500
Frequency (kHz)
Outline and Dimensions
ELECTRICAL CHARACTERISTICS
Centre
Frequency
(kHz)
Part
Number
Insertion
Loss
(dB max.)
Pass Band
Ripple
(dB max.)
6dB
Bandwidth
(kHz min.)
50dB
Bandwidth
(kHz min.)
Stop Band
Att. ±100kHz
(dB min.)
±30
45
1500
Input/Output
Impedance
(W)
LTM 450BW
450±2
4
2
±15
LTM 450CW
450±2
4
2
±12.5
±24
45
1500
LTM 450DW
450±1.5
4
2
±10
±20
45
1500
LTM 450EW
450±1.5
6
2
±7.5
±15
45
1500
LTM 450FW
450±1.5
6
2
±6
±12.5
45
2000
LTM 450GW
450±1.5
6
2
±4.5
±10
45
2000
LTM 450HW
450±1.0
6
2
±3
±9
55
2000
LTM 450IW
450±1.0
6
2
±2
±7.5
55
2000
LTM 450HTW
450±1.0
6
2
±3
±9
60
2000
LTM 450ITW
450±1.0
6
2
±2
±7.5
60
2000
TEST CIRCUIT
Input 1
Output 5
LTW
R1
2
RG
4
3
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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