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CFMA Datasheet(PDF) 1 Page - TOKO, Inc

Part No. CFMA
Description  AM CERAMIC FILTERS WITH MATCHING COIL
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Maker  TOKO [TOKO, Inc]
Homepage  http://www.toko.com
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CFMA Datasheet(HTML) 1 Page - TOKO, Inc

   
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CFMA
AM CERAMIC FILTERS WITH MATCHING COIL
August 2005
1
© 2005 TOKO America, Inc.
All Rights Reserved
Printed in USA
CF-319-CFMA
R-LOG0805A
Dimensions
TOKO America, Inc.
1250 Feehanville Drive, Mount Prospect, Illinois 60056
Tel: (847) 297-0070 Fax: (847) 699-7864 Web: http://www.tokoam.com
The information furnished by TOKO, Inc. is believed to be accurate and reliable. However, TOKO reserves the right to make changes or improvements in the design, specification or manufacture
of its products without further notice. TOKO does not assume any liability arising from the application or use of any product or circuit described herein, nor for any infringements of patents or
other rights of third parties which may result from the use of its products. No license is granted by implication or otherwise under any patent or patent rights of TOKO, Inc.
Frequency Response
Typical Characteristics
Description
• AM IF filters combining matching coil with
CFM2 type in resin case
• Center frequency range: 450 — 470kHz
• Bandwidth at 6dB: 2 — 11kHz
Features
• Can be preset if required
• High selectivity, suited to a wide range of applications
• Low temperature coefficient
• Low spurious response
• Lead-free terminations
Applications
• AM radio-cassettes, AM stereo application sets
• Wireless data communication equipment
STANDARD FILTERS SELECTION GUIDE
Frequency (kHz)
TYPE CFMA (CERASIZER®/Triple-tuned)
TOKO
Center
Bandwidth
Selectivity
Ripple
Input Level
Part
Frequency
at 6dB
at Fo±9KHz
in Pass Band
for 0.6mV
Note
Number
(kHz)
(kHz)
(dB)
(dB)
Output (dB)
##CFMA-027
450±1.5
5.0 min.
25.0 min.
1.0 max.
78.5±3.0
##CFMA-003
455±2.5
5.0 min.
25.0 min.
1.0 max.
78.5±3.0
##CFMA-050
459±1.5
5.0 min.
25.0 min.
1.0 max.
78.5±3.0
##CFMA-012
460±2.5
5.0 min.
25.0 min.
1.5 max.
78.5±3.0
##CFMA-008
468±2.5
5.0 min.
25.0 min.
1.0 max.
78.5±3.0
##PCFMA-221
450±1.0
9.5 min.
17.0 min.
0.7 max.
87.0±3.0
For AM stereo
application
Unit: mm
CFMA-027
Test Circuit


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