LTM450HTU datasheet, PDF - EEWORLD Datasheet

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LTM450HTU: DescriptionCERAMIC BPF; CategoryAnalog mixed-signal IC filter; File Size260KB，1 Pages; ManufacturerECS; Websitehttp://www.ecsxtal.com/; Environmental Compliance

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LTM450HTU Overview

CERAMIC BPF

LTM450HTU Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Reach Compliance Code	compli
Center frequency or cutoff frequency (fo/fc)	0.45 MHz
filter type	CERAMIC BPF
high	6.5 mm
Input/output impedance	2000 OHM
Maximum insertion loss	6 dB
length	7 mm
Manufacturer's serial number	LTM450U
Installation type	THROUGH HOLE MOUNT
physical size	L7.0XB7.0XH6.5 (mm)/L0.276XB0.276XH0.256 (inch)
width	7 mm
Base Number Matches	1

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LTM450U

SERIES

4 ELEMENT CERAMIC FILTER

Ultra small size high selectivity type ceramic

filter for communication use.

FEATURES

• Ultra small size

• 6.5 mm profile

• Bandwidths from

4KHz to 30KHz available

• RoHS Compliant (Note 7 exemption)

• 4 elements

OPERATING CONDITIONS/ELECTRICAL CHARACTERISTICS

PART NUMBER

LTM450BU

LTM450CU

LTM450DU

LTM450EU

LTM450FU

LTM450GU

LTM450HU

LTM450IU

LTM450HTU

LTM450ITU

CENTER

FREQUENCY

(KHz)

450

±2.0

±1.5

±1.0

INSERTION

LOSS

(dB) MAX.

PASS BAND

RIPPLE

(dB) MAX.

6 dB

BANDWIDTH

(KHz) MIN.

±15

±12.5

±10

±7.5

±6

±4.5

±3

±2

±3

±2

40 dB

BANDWIDTH

(dB) MAX.

±30

±24

±20

±15

±12.5

±10

±9

±7.5

±9

±7.5

STOP BAND ATT.

±100KHZ

(dB) MIN.

INPUT / OUTPUT

IMPEDANCE

(Ω)

1500

2000

PACKAGE DIMENSIONS (mm)

INPUT

OUTPUT

6.5

LTMU

GROUND

S.S.G.

V.M.

0.8

Rg+R1=R2=input/output impedance

2.4 1.8 0.8

4.3

Figure 2) LTM450U – Measuring Circuit

Connection

1 Input

LTM455BU

LTM455EU

4.3

2 Output

3 Ground

4 Ground

Attenuation (dB)

LTM455HU

2.4 1.8 0.8

Figure 1) LTM450U – Front, Side and Bottom views

410 420 430 440 450 460 470 480 490 500

Frequency (KHz)

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

➂

and

xy).

Figure 3) LTM4550U – Characteristics

ECS, INC. INTERNATIONAL

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

CERAMIC FILTERS

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