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參數資料
| 型號： | CFMQ-004A |
| 廠商： | TOKO INC |
| 英文描述： | AM CERAMIC FILTERS WITH MATCHING COIL |
| 中文描述： | CERAMIC BPF |
| 文件頁數： | 1/1頁 |
| 文件大小： | 87K |
| 代理商： | CFMQ-004A |
CFMQ
AM CERAMIC FILTERS WITH MATCHING COIL
August 2005
2005 TOKO America, Inc.
All Rights Reserved
Printed in USA
1
CF-321-CFMQ
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.
Description
Quadruple-tuned AM IF filters combining matching
coil and CFM2 in resin case.
Center frequency range: 450 — 470kHz
Features
Can be preset if required
High selectivity, suited to a wide range of applications
Low temperature coefficient
Low spurious response
Lead-free terminations
Applications
AM radio cassettes, high selectivity radio cassettes
Wireless data communication equipment
STANDARD FILTERS SELECTION GUIDE
TYPE CFMQ (CERASIZER/Quadruple-tuned)
TOKO Center Bandwidth Selectivity Ripple Input Level
Part Frequency at 6dB at Fo±9kHz inPass Band for 0.6mV
Number (kHz) (kHz) (dB)
(dB) Output (dB)
##CFMQ-004A 450±1.5 5.5 min. 33.0 min. 1.0 max. 82.0±2.5
##CFMQ-001A 455±1.5 5.5 min. 33.0 min. 1.0 max. 82.0±3.0
##CFMQ-002A 460±1.5 5.5 min. 33.0 min. 1.0 max. 87.0±2.5
##CFMQ-010A 468±2.0 5.5 min. 32.0 min. 1.0 max. 85.0±2.0
Note: 50pF includes test circuit capacitance
Unit: mm
Test Circut
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