EUROQUARTZ LTW33

EURO QUARTZ
LTW33-450 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
2.9
2.9
7.0
2.6
0
11.3
LTW 33-450B
LTW 33-450D
LTW 33-450H
10
4
3 2 1
4.3
20
5
8.2
2.0
Attenuation 30
(dB)
40
50
4.0
Actual size
(outline top view)
60
Connections
1
Input
2, 3, 4 Ground
5
Output
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.)
Input/Output
Impedance
(W)
LTW33-450B
450±2
4
2
±15
±30
45
1500
LTW33-450C
450±2
4
2
±12.5
±24
45
1500
LTW33-450D
450±1.5
4
2
±10
±20
45
1500
LTW33-450E
450±1.5
6
2
±7.5
±15
45
1500
LTW33-450F
450±1.5
6
2
±6
±12.5
45
2000
LTW33-450G
450±1.5
6
2
±4.5
±10
45
2000
LTW33-450H
450±1.0
6
2
±3
±9
45
2000
LTW33-450I
450±1.0
6
2
±2
±7.5
45
2000
LTW33-450HT
450±1.0
6
2
±3
±9
60
2000
LTW33-450IT
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] ww.euroquartz.co.uk