CFMM2/CFMM3
AM CERAMIC FILTERS
Description
鈥?Small type CERASIZER
廬
of unique structure for
2/3-element AM IF filters.
鈥?Center frequency range: 450 to 470kHz
鈥?Bandwidth at 6dB: 4 to 8kHz.
Dimensions
Features
鈥?Compact, low profile
鈥?High selectivity characteristic
鈥?Low temperature coefficient
鈥?Lead-free terminations
Unit: mm
Applications
鈥?AM radio cassettes, stereo sets
鈥?Tuner packs, communications equipment.
鈥?Wireless data communication equipment
Typical Characteristics
Frequency Response
STANDARD FILTERS SELECTION GUIDE
TYPE CFMM2/CFMM3 (CERASIZER
廬
)
TOKO
Center
Part
Frequency (Fo)*
Number
(kHz)
CFMM2
##ACFMM2-450AL
450鹵1.0
##ACFMM2-450BL
450鹵1.0
##ACFMM2-450CL
450鹵1.0
CFMM3
##ACFMM3-450AL
##ACFMM3-450BL
##ACFMM3-450CL
450鹵1.0
450鹵1.0
450鹵1.0
Bandwidth
at 6dB
(kHz)
4.0 min.
5.5 min.
8.0 min.
4.0 min.
5.5 min.
8.0 min.
Selectivity
at Fo鹵9kHz
(dB)
18.0 min.
16.0 min.
12.0 min.
28.0 min.
24.0 min.
19.0 min.
Ripple
in Pass Band
(dB)
1.0 max.
1.0 max.
2.0 max.
2.0 max.
2.0 max.
2.0 max.
Insertion
Loss
(dB)
6.0 max.
6.0 max.
6.0 max.
6.0 max.
6.0 max.
6.0 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
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-315-CFMM2/3
R-LOG0805A
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