ELFC455H
ELFC455H is AM Ladder Filters manufactured by TOKO.
- Part of the ELFC455D comparator family.
- Part of the ELFC455D comparator family.
Description
- Ceramic ladder Filters for 455k Hz band surface mounting.
- May be used in bination with Ceramic Discriminator to eliminate need for adjustment.
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Features
- Bandwidth characteristics can be set to meet requirements, l.e..from ±3k Hz to ±10k Hz.
- Possibility of use in IF stages ladder filters which require no adjustments.
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Applications
- Wireless munications equipment, Transceivers, and Equipment for Personal puter.
- Wireless data munications equipment (Remote Engine starter, Handheld panions).
SELECTION GUIDE FOR STANDARD FILTERS
TYPE ELFC
TOKO Part Number ELFC455D ELFC455E ELFC455F ELFC455G ELFC455H 6d B Band width (k Hz, Min.) ±10.0 ± 7.5 ± 6.0 ± 4.5 ± 3.0 40d B Band width (k Hz, Max.) ±20.0 ±15.0 ±12.5 ±10.0 ± 9.0 Attenuation (d B, Min.) 27.0 27.0 27.0 27.0 27.0 Insertion Loss (d B, Max.) 4.0 4.0 4.0 4.0 4.0 Input/Output Impedance ( Ω) 1500 1500 1500 1500 1500
R1
(1)
(2)
Rg R2 E1 S.G (3) E2 E.V
Test conditions 1. Rg+R1=R2=1.5kΩ 2. Insertion loss But E1: S.G open end output.
Ω
Data Sheet 4 U .
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