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參數(shù)資料
| 型號(hào)： | CFJW |
| 廠商： | TOKO Inc. |
| 英文描述： | AM CERAMIC FILTERS |
| 中文描述： | 上午陶瓷過濾器 |
| 文件頁數(shù)： | 1/1頁 |
| 文件大小： | 75K |
| 代理商： | CFJW |
CFJW
AM CERAMIC FILTERS
August 2005
2005 TOKO America, Inc.
All Rights Reserved
Printed in USA
1
CF-316-CFJW
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.
Test Circuit
Typical Characteristics
Frequency response
Description
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.
STANDARD FILTERS SELECTION GUIDE
TYPE CFJW (CERATUNE
)
TOKO Center Bandwidth Selectivity Selectivity Insertion Input/Output
Part Frequency (Fo)* at 3dB at Fo±9kHz at Fo±9kHz Loss Impedance
Number (kHz) (kHz) (dB)
(dB) (dB) (k
Ω
)
ACFJW-450A 450±1.0 10±3.0 5.0 min. 3.0 min. 5.0 max. 3.0/3.0
ACFJW-450B 450±1.0 10±3.0 5.0 min. 3.0 min. 5.0 max. 3.0/3.0
ACFJW-455A 455±1.0 10±3.0 5.0 min. 3.0 min. 5.0 max. 3.0/3.0
ACFJW-455B 450±1.0 10±3.0 5.0 min. 3.0 min. 5.0 max. 3.0/3.0
BCFJW-450A 450±2.0 10±3.0 5.0 min. 3.0 min. 5.0 max. 3.0/3.0
BCFJW-455A 455±2.0 10±3.0 5.0 min. 3.0 min. 5.0 max. 3.0/3.0
ACFJW-450BN1 450±1.0 7±1.5 6.0 min. 5.0 min. 5.0 max. 3.0/3.0
BCFJW-455BN1 455±1.0 7±1.5 6.0 min. 5.0 min. 5.0 max. 3.0/3.0
R
1
=3.0kΩ
R
2
=3.0kΩ
C
S
=50pF
Unit: mm
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