EUROQUARTZ LTM455FW Ceramic filter Datasheet

EURO QUARTZ
LTM-455W 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-455BW
LTM-455EW
LTM-455HW
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
50dB
Bandwidth
(kHz min.)
Stop Band
Att. ±100kHz
(dB min.)
Input/Output
Impedance
(W)
±30
45
1500
±12.5
±24
45
1500
±10
±20
45
1500
±7.5
±15
45
1500
±6
±12.5
45
2000
Centre
Frequency
(kHz)
Insertion
Loss
(dB max.)
Pass Band
Ripple
(dB max.)
LTM 455BW
455±2
4
2
±15
LTM 455CW
455±2
4
2
LTM 455DW
455±1.5
4
2
LTM 455EW
455±1.5
6
2
LTM 455FW
455±1.5
6
2
LTM 455GW
455±1.5
6
2
±4.5
±10
45
2000
LTM 455HW
455±1.0
6
2
±3
±9
55
2000
LTM 455IW
455±1.0
6
2
±2
±7.5
55
2000
LTM 455HTW
455±1.0
6
2
±3
±9
60
2000
LTM 455ITW
455±1.0
6
2
±2
±7.5
60
2000
Part
Number
6dB
Bandwidth
(kHz min.)
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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