ltm455hu ecsxtal, ltm455hu Datasheet

ltm455hu

Manufacturer Part Number

ltm455hu

Description

4 Element Ceramic Filter

Manufacturer

ecsxtal

Datasheet

1.LTM455HU.pdf (1 pages)

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LTM455U

OPERATING CONDITIONS/ELECTRICAL CHARACTERISTICS

PACKAGE DIMENSIONS (mm)

Note: To avoid potential problems, connect the output to an IF amplifier

through a DC cut capacitor.

Avoid applying a direct current to output end of the ceramic filters

(between

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

PART NUMBER

LTM455BU

LTM455CU

LTM455DU

LTM455EU

LTM455FU

LTM455GU

LTM455HU

LTM455IU

LTM45HTU

LTM45ITU

2.4 1.8 0.8

and

Figure 1) LTM455U – Front, Side and Bottom views

FREQUENCY

455 ±2.0

455 ±1.5

455 ±1.0

CENTER

SERIES

(KHz)

Connection

0.8

Input

Output

Ground

4.3

INSERTION

(dB) MAX.

4 ELEMENT CERAMIC FILTER

Ultra small size high selectivity type ceramic

filter for communication use.

LOSS

CERAMIC FILTERS

PASS BAND

(dB) MAX.

RIPPLE

BANDWIDTH

(KHz) MIN.

±12.5

6 dB

±7.5

±4.5

CERAMIC FILTERS

±15

±10

±6

±3

±2

±3

±2

BANDWIDTH

410 420 430 440 450 460 470 480 490 500

• Ultra small size

• 6.5 mm profile

• Bandwidths from 4KHz to 30KHz available

• RoHS Compliant (Note 7 exemption)

• 4 elements

(dB) MAX.

FEATURES

Rg+R1=R2=input/output impedance

40 dB

±12.5

±7.5

±30

±24

±20

±15

±10

±9

S.S.G.

Figure 2) LTM455U – Measuring Circuit

Figure 3) LTM455U – Characteristics

INPUT

GROUND

Frequency (KHz)

STOP BAND ATT.

LTMU

(dB) MIN.

±100KHZ

GROUND

OUTPUT

INPUT / OUTPUT

LTM455BU

LTM455EU

LTM455HU

IMPEDANCE

1500

2000

( )

V.M.

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