LTM455U

更新时间： 2024-11-29 05:44:07

品牌	Logo	应用领域
ECS		过滤器 LTE
页数	文件大小	规格书
1页	278K
描述
4 ELEMENT CERAMIC FILTER

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中文翻译

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数据手册

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LTM455U 数据手册

LTM455U ^SERIES4 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

CENTER

FREQUENCY

(KHz)

INSERTION

LOSS

PASS BAND

RIPPLE

6 dB

40 dB

BANDWIDTH

(dB) MAX.

STOP BAND ATT.

±±00KHꢀ

INPUT / OUTPUT

IMPEDANCE

(Ω)

BANDWIDTH

(KHz) MIN.

PART NUMBER

(dB) MAX.

(dB) MIN.

LTM455BU

LTM455CU

LTM455DU

LTM455EU

LTM455FU

LTM455GU

LTM455HU

LTM455IU

LTM45HTU

LTM45ITU

455 ±±2.

455 ±ꢀ25

455 ±ꢀ2.

±ꢀ5

±ꢀ±25

±ꢀ.

±725

±6

±425

±ꢁ

±±

±ꢁ.

±±4

±±.

±ꢀ5

±ꢀ±25

±ꢀ.

±ꢂ

±725

±ꢂ

±725

±7

±5

ꢁ5

ꢀ5..

±...

±ꢁ

±±

PACKAGE DIMENSIONS (mm)

INPUT

OUTPUT

LTMU

V.M.

GROUND GROUND

S.S.G.

0.8

Rg+R1=R2=input/output impedance

Figure 2) LTM455U – Measuring Circuit

1.8 0.8

4.3

2.4

Connection

LTM455BU

Input

LTM455EU

LTM455HU

Output

Ground

2.4 1.8 0.8

410 420 430 440 450 460 470 480 490 500

Figure 1) LTM455U – Front, Side and Bottom views

Frequency (KHz)

Figure 3) LTM455U – Characteristics

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 ➂➂and ➂➂).

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

CERAMIC FILTERS 80 CERAMIC FILTERS

中文翻译

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