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ECS, INC. INTERNATIONAL 1105 S. RIDGEVIEW, OLATHE, KS 66062 913-782-7787 800-237-1041 FAX 913-782-6991 WWW.ECSXTAL.COM
CERAMIC FILTERS
3
±1.0
2.5
±0.2
7.5
±2.0
9
±2.0
5
±1.0
0.3
±0.1
0.6
±0.1
1
2
3
Connection
Input
Ground
Output
3
2
1
LTE SERIES
CERAMIC FILTER
Figure 1) LTE Series – Front and Side views
The LTE Series ceramic filter is used for TV
4.5 / 5.5 / 6.0 / 6.5 MHz (TV SIF stage use).
FEATURES
Wide bandwidth
Low insertion loss
Excellent spurious suppression characteristics
RoHS Compliant (Note 7 exemption)
R1
Rg
GROUND
INPUT
OUTPUT
Rg+R1=R2=input/output impedance
C=10pF (Including stray capacitance and
input capacitance of RF voltmeter)
S.S.G.
LTE
RF
V.M.
R2
C
1
3
2
Figure 2) LTE Series – Measuring Circuit
00
10
20
30
40
50
60
70
10
20
30
4.1 4.2 4.3
4.4
4.5
4.6
4.7
4.8 4.9
01
3
5
7
9
24
6
8
10
Attenuation
(dB)
Attenuation
(dB)
LTE4.5MB FREQUENCY CHART
Frequency (MHz)
LTE4.5MB SPURIOUS
CHARACTERISTICS (0~10MHz)
Figure 3) LTE Series – Characteristics
PACKAGE DIMENSIONS (mm)
( ) = Typical values
OPERATING CONDITIONS/ELECTRICAL CHARACTERISTICS
3dB
20dB
INSERTION
SPURIOUS
INPUT / OUTPUT
PART NUMBER
BAND WIDTH
LOSS
RESPONSE
IMPEDANCE
(KHz) MIN.
(KHz) MAX.
(dB) MAX.
(dB) MIN./FREQ.
(
)
LTE4.5MB
±60(±105)
530(420)
6(4)
20(4.5 +0.8 -1.0 MHz)
1000
LTE5.5MB
±75(±120)
550(470)
6(3)
25(5.5±1.0 MHz)
600
LTE6.0MB
±80(±130)
600(500)
6(2.5)
25(6.0 ±1.0 MHz)
470
LTE6.5MB
±80(±130)
630(530)
6(2.5)
25(6.5 ±1.0 MHz)
470
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