EUROQUARTZ LTE Ceramic filter Datasheet

EURO QUARTZ
LTE CERAMIC FILTER
•High selectivity type ceramic filters
•Pass bandwidths from 30kHz to 4MHz
•Easily mounted to PCB
•Miniature size
TV SIF Stage
SPECIFICATION
LTE 4.5MB Frequency v. Attenuation Characteristics
7.5±2
3.0±1
0
9.0±2
0.3±0.1
0.6±0.1
5.0±2
2.5±0.2
Connections
1 Input
2 Ground
3 Output
3
2
10
Attenuation
(dB)
20
2.5±0.2
1
30
4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8 4.9
Frequency (MHz)
Outline and Dimensions
ELECTRICAL CHARACTERISTICS
Spurious Response
(dB) min.
Input/Output
Impedance
(W)
6(4)
20(4.5+0.8, 1.0MHz)
1000
6(3)
25(5.5±1.0MHz)
600
600(500)
6(2.5)
25(6.0±1.0MHz)
470
630(530)
6(2.5)
25(6.5±1.0MHz)
470
Part
Number
3dB Bandwidth
(kHz) min.
20dB Bandwidth
(kHz) max.
LTE 4.5 MB
+60(±105)
530(420)
LTE 5.5 MB
+75(±120)
550(470)
LTE 6.0 MB
+80(±130)
LTE 6.5 MB
+80(±130)
( ) = typical values
TEST CIRCUIT
LTE 4.5MB Spurious characteristics (0 to 10MHz)
0
Input 1
Output 3
LTE
2
Ground
10
20
R1
RG
Insertion Loss
(dB) max.
R2
C
RF
V.M.
Attenuation 30
(dB)
40
50
SSG
60
70
RG+R1=R2=Input/Output Impedance
C=10pF (Including stray capacitance
and input capacitance of RF Voltmeter)
0
1
2
3
4
5
6
7
8
9
10
Frequency (MHz)
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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