CFJW AM CERAMIC FILTERS Description Dimensions • Single element AM IF filter. • Center frequency range: 450kHz, 455kHz • Bandwidth at 3dB: 10±3kHz, 7±1.5kHz, Features • No adjustment required in the AM-IF circuit. • Lead-free terminations Applications • Headphone stereos and pocket radios. • Radio cassettes with CD, mini-components. Unit: mm Typical Characteristics Test Circuit Frequency response R1=3.0kΩ R2=3.0kΩ CS=50pF STANDARD FILTERS SELECTION GUIDE TYPE CFJW (CERATUNE®) TOKO Part Number ACFJW-450A ACFJW-450B ACFJW-455A ACFJW-455B BCFJW-450A Center Frequency (Fo)* (kHz) 450±1.0 450±1.0 455±1.0 450±1.0 450±2.0 Bandwidth at 3dB (kHz) 10±3.0 10±3.0 10±3.0 10±3.0 10±3.0 BCFJW-455A ACFJW-450BN1 BCFJW-455BN1 455±2.0 450±1.0 455±1.0 10±3.0 7±1.5 7±1.5 Selectivity at Fo±9kHz (dB) 5.0 min. 5.0 min. 5.0 min. 5.0 min. 5.0 min. 5.0 min. 6.0 min. 6.0 min. Selectivity at Fo±9kHz (dB) 3.0 min. 3.0 min. 3.0 min. 3.0 min. 3.0 min. 3.0 min. 5.0 min. 5.0 min. Insertion Loss (dB) 5.0 max. 5.0 max. 5.0 max. 5.0 max. 5.0 max. Input/Output Impedance (kΩ) 3.0/3.0 3.0/3.0 3.0/3.0 3.0/3.0 3.0/3.0 5.0 max. 5.0 max. 5.0 max. 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 © 2005 TOKO America, Inc. All Rights Reserved Printed in USA CF-316-CFJW R-LOG0805A 1