LTM-455W 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-455W CERAMIC FILTER
6 Element
Frequency v. Attenuation Characteristics
0
LT M-455 BW
10
LT M-455 EW
20
LTM-455HW
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 455BW
455±2
4
LTM 455CW 455±2
4
LTM 455DW 455±1.5
4
LTM 455EW
455±1.5
6
LTM 455FW
455±1.5
6
LTM 455GW 455±1.5
6
LTM 455HW 455±1.0
6
LTM 455IW
455±1.0
6
LTM 455HTW 455±1.0
6
LTM 455ITW 455±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