ELFC Datasheet, PDF (1/1 Pages) TOKO, Inc – AM Ladder Filters for Surface Mounting

AM Ladder Filters for Surface Mounting
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TYPE
ELFC
TYPE ELFC
Sealing
1.2±0.1
G
C 0.5
4.2 Max.
4UBOEBSE
QBUUFSO
EJNFOTJPOT
ඪ४ύλʔϯੇ๏ਤ
1.5
4.0
Sealing
IN
OUT
1.0
1.0
(1.0)
4.0
6.0
Sealing
(Unit : mm)
1.3
4UBOEBSE
SFGMPX
TPMEFSJOH
DPOEJUJPOT
ඪ४Ϧϑϩιϧμ৚݅
300
Solderin
250
200
Pre-heating
150
40sec
100
50
(Unit : mm)
Slow cooling
Description
• Ceramic ladder Filters for 455kHz band surface mounting.
• May be used in combination with Ceramic Discriminator to
eliminate need for adjustment.
1~2min
5se 2min or more
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• L)[ଳ໘࣮^ͮ૷^͚ૉࢠηϥϛοΫϥμʔϑΟϧλ
• ηϥϛοΫσΟεΫϦϛωʔλͱͷ૊Έ߹ΘͤͰ*'ஈͷແௐ
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Features
• Bandwidth characteristics can be set to meet
requirements, l.e..from ±3kHz to ±10kHz.
• Possibility of use in IF stages ladder filters which require
no adjustments.
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• ଳҬ෯͕༻్ʹԠࣗ͡༝ʹબ୒Մೳʢ±L)[ʙ±L)[ʣ
• *'ஈͷແௐ੔Խ͕Մೳ
Applications
• Wireless communications equipment, Transceivers, and
Equipment for Personal computer.
• Wireless data communications equipment (Remote
Engine starter, Handheld companions).
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• ແઢԠ༻ثػʢΤϯδϯελʔλɺܞଳ୺຤ͳͲʣ
TYPE ELFC
౦ޫ඼൪
TOKO
Part
Number
ELFC455D
ELFC455E
ELFC455F
ELFC455G
ELFC455H
SELECTION GUIDE FOR STANDARD FILTERS
E#ଳҬ෯
6dB Band
width
(kHz Min.)
±10.0
± 7.5
± 6.0
± 4.5
± 3.0
ݮਰଳҬ෯
40dB Band
width
(kHz Max.)
±20.0
±15.0
±12.5
±10.0
± 9.0
อূݮਰྔ
Attenuation
(dB Min.)
27.0
27.0
27.0
27.0
27.0
ૠೖଛࣦ
Insertion
Loss
(dB Max.)
4.0
4.0
4.0
4.0
4.0
ೖग़ྗ
Πϯϐʔμϯε
Input/Output
Impedance
(Ω)
1500
1500
1500
1500
1500
5FTU
DJSDVJU ଌఆճ࿏
R1
(1)
(2)
Rg
E1
(3)
S.G
R2
E2
E.V
Test conditions
1. Rg+R1=R2=1.5kΩ
2. Insertion loss E# -PH &1&
But E1: S.G open end output.
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ɽ3H33LΩ
ɽૠೖଛࣦ E# -PH &1&
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