TOKO CFMQ-004A

CFMQ
AM CERAMIC FILTERS WITH MATCHING COIL
Description
Dimensions
• Quadruple-tuned AM IF filters combining matching
coil and CFM2 in resin case.
• Center frequency range: 450 — 470kHz
Unit: mm
Features
• Can be preset if required
• High selectivity, suited to a wide range of applications
• Low temperature coefficient
• Low spurious response
• Lead-free terminations
Test Circut
Applications
Note: 50pF includes test circuit capacitance
• AM radio cassettes, high selectivity radio cassettes
• Wireless data communication equipment
STANDARD FILTERS SELECTION GUIDE
TYPE CFMQ (CERASIZER®/Quadruple-tuned)
TOKO
Part
Number
##CFMQ-004A
##CFMQ-001A
##CFMQ-002A
##CFMQ-010A
Center
Frequency
(kHz)
450±1.5
455±1.5
460±1.5
468±2.0
Bandwidth
at 6dB
(kHz)
5.5 min.
5.5 min.
5.5 min.
5.5 min.
Selectivity
at Fo±9kHz
(dB)
33.0 min.
33.0 min.
33.0 min.
32.0 min.
Ripple
inPass Band
(dB)
1.0 max.
1.0 max.
1.0 max.
1.0 max.
Input Level
for 0.6mV
Output (dB)
82.0±2.5
82.0±3.0
87.0±2.5
85.0±2.0
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-321-CFMQ
R-LOG0805A
1