LTM-450W Datasheet, PDF (1/1 Pages) EUROQUARTZ limited – CERAMIC FILTER

EURO QUARTZ
•High selectivity type ceramic filters
•A variety of bandwidths available
•Easily mounted to PCB
•Miniature size
SPECIFICATION
2.4 2.6 2.9
345
4.3
12
0.9 ^7.1
Actual size
(outline top view)
6.4
9.5
6.3
2.2
Connections
1
Input
2
Output
3,4,5 Ground
Outline and Dimensions
LTM-450W CERAMIC FILTER
6 Element
Frequency v. Attenuation Characteristics
0
LTM-450BW
10
LTM-450EW
20
LTM-450HW
Attenuation ³⁰
(dB) ₄₀
50
60
70
410 420 430 440 450 460 470 480 490 500
Frequency (kHz)
ELECTRICAL CHARACTERISTICS
Part
Number
Centre Insertion Pass Band
6dB
Frequency Loss
Ripple Bandwidth
(kHz) (dB max.) (dB max.) (kHz min.)
50dB
Bandwidth
(kHz min.)
Stop Band
Att. ±100kHz
(dB min.)
Input/Output
Impedance
(W)
LTM 450BW
450±2
4
LTM 450CW 450±2
4
LTM 450DW 450±1.5
4
LTM 450EW
450±1.5
6
LTM 450FW
450±1.5
6
LTM 450GW 450±1.5
6
LTM 450HW 450±1.0
6
LTM 450IW
450±1.0
6
LTM 450HTW 450±1.0
6
LTM 450ITW 450±1.0
6
2
±15
±30
45
2
±12.5
±24
45
2
±10
±20
45
2
±7.5
±15
45
2
±6
±12.5
45
2
±4.5
±10
45
2
±3
±9
55
2
±2
±7.5
55
2
±3
±9
60
2
±2
±7.5
60
1500
1500
1500
1500
2000
2000
2000
2000
2000
2000
TEST CIRCUIT
Input 1
R1
LTW
Output 5
RG
2
4
3
R2
RF
V .M.
Ground
SSG
RG+R1=R2=Input/Output Impedance
EUROQUARTZ LIMITED Blacknell Lane CREWKERNE Somerset UK TA18 7HE
Tel: [phone] Fax: [phone] Email: [e-mail] www.euroquartz.co.uk