74

ECS, INC. INTERNATIONAL 1105 S. RIDGEVIEW, OLATHE, KS 66062 • 913-782-7787 • 800-237-1041 • FAX 913-782-6991 • WWW.ECSXTAL.COM

CERAMIC FILTERS

CERAMIC FILTERS

3

±1.0

2.5

±0.2

7.5

±2.0

0.3

±0.1

0.6

±0.1

1

2

3

Connection

Input

Ground

Output

3

2

1

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

• TV SIF stage use

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

2

3

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

0

135

7

9

24

6

8

10

LTE4.5MB FREQUENCY CHART

Frequency (MHz)

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

BAND WIDTH

LOSS

RESPONSE

IMPEDANCE

(KHz) MIN.

(KHz) MAX.

(dB) MAX.

(dB) MIN./FREQ.

(

Ω)

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