CFMR
AM CERAMIC FILTERS
August 2005
1© 2005 TOKO America, Inc.
All Rights Reserved
Printed in USA CF-314-CFMR R-LOG0805A Dimensions
TOKO America, Inc. 1250 Feehanville Drive,  Mount Prospect, Illinois  60056Tel: (847) 297-0070  Fax: (847) 699-7864  Web: koam
Description
•Low profile, compact, 2-element    AM IF filter with high reliability.•Center frequency range: 450 to 470kHz •Bandwidth at 6dB: 4 to 10kHz. Features
•Compact, low profile (height 7.6mm).•High selectivity, suited for a wide range of applications •Low spurious response •
Lead-free terminations Applications
•AM radio cassettes, stereo sets, telecommunications •Wireless data communication equipment STANDARD FILTERS SELECTION GUIDE
1.  C includes test circuit capacitance.
2.  L 1 2.7mH, L 2 1.0mHprofile中文
3.  During testing, when matching coils are used at
input/output sides, connect L 1 and L 2 (dummy)4.  R
1
, R 2: Input-output impedance          Cs: Stray capacitance
(less than 50pF , including EV)
Unit: mm
Test Circuit
Test Conditions
元器件交易网b2b

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