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| CFMM2/CFMM3 AM CERAMIC FILTERS Description * Small type CERASIZER(R) of unique structure for 2/3-element AM IF filters. * Center frequency range: 450 to 470kHz * Bandwidth at 6dB: 4 to 8kHz. Dimensions Features * Compact, low profile * High selectivity characteristic * Low temperature coefficient * Lead-free terminations Unit: mm Applications * AM radio cassettes, stereo sets * Tuner packs, communications equipment. * Wireless data communication equipment Typical Characteristics Frequency Response STANDARD FILTERS SELECTION GUIDE TYPE CFMM2/CFMM3 (CERASIZER(R)) TOKO Center Part Frequency (Fo)* Number (kHz) CFMM2 ##ACFMM2-450AL 4501.0 ##ACFMM2-450BL 4501.0 ##ACFMM2-450CL 4501.0 CFMM3 ##ACFMM3-450AL ##ACFMM3-450BL ##ACFMM3-450CL 4501.0 4501.0 4501.0 Bandwidth at 6dB (kHz) 4.0 min. 5.5 min. 8.0 min. 4.0 min. 5.5 min. 8.0 min. Selectivity at Fo9kHz (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) 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 (c) 2005 TOKO America, Inc. All Rights Reserved Printed in USA CF-315-CFMM2/3 R-LOG0805A 1 |
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