CFA
AM CERAMIC FILTERS
Description
鈥?Unique structure single element AM IF filter
鈥?Center frequency range: 450 鈥?470kHz
鈥?Bandwidth at 6dB: 13鹵3kHz
Dimensions
Features
鈥?Compact, low profile
鈥?High selectivity, suited to a wide range of applications
鈥?Low temperature coefficient
鈥?Low spurious response
鈥?Lead-free terminations
Applications
鈥?AM radio-cassettes
鈥?Wireless data communication equipment
Unit: mm
Typical Characteristics
Frequency Response
ACFA-450
Frequency characteristics
AFCFA-450L02
Test Circuit
STANDARD FILTERS SELECTION GUIDE
TYPE CFA (CERATUNE
廬
)
TOKO
Part
Number
#ACFA-450
#BCFA-450
#ACFA-455
#BCFA-455
#ACFA-459
#BCFA-459
#ACFA-468
#BCFA-468
#AFCFA-450L02
#AFCFA-455L02
#AFCFA-459L02
Center
Frequency
(kHz)
450鹵1.1
450鹵2.1
455鹵1.1
455鹵2.1
459鹵1.1
459鹵2.1
468鹵1.1
468鹵2.1
450.2鹵1.1
455.2鹵1.1
459.2鹵1.1
Bandwidth
at 6dB
(kHz)
13鹵3.0
13鹵3.0
13鹵3.0
13鹵3.0
13鹵3.0
13鹵3.0
13鹵3.0
13鹵3.0
5.0 min.
5.0 min.
5.0 min.
Selectivity
at Fo鹵9kHz
(dB)
6.0 min.
6.0 min.
6.0 min.
6.0 min.
6.0 min.
6.0 min.
6.0 min.
6.0 min.
10.0 min.
10.0 min.
10.0 min.
Ripple
in Pass Band
(dB)
0
0
0
0
0
0
0
0
0
0
0
Insertion
Loss
(dB)
5.0 max.
5.0 max.
5.0 max.
5.0 max.
5.0 max.
5.0 max.
5.0 max.
5.0 max.
4.0 max.
4.0 max.
4.0 max.
Input/Output
Impedance
(k惟)
3.0/3.0
3.0/3.0
3.0/3.0
3.0/3.0
3.0/3.0
3.0/3.0
3.0/3.0
3.0/3.0
3.0/3.0
3.0/3.0
3.0/3.0
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.
TOKO America, Inc.
1250 Feehanville Drive, Mount Prospect, Illinois 60056
Tel: (847) 297-0070 Fax: (847) 699-7864 Web: http://www.tokoam.com
August 2005
漏 2005 TOKO America, Inc.
All Rights Reserved
Printed in USA
CF-312-CFA
R-LOG0805A
1
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