
CDF
FM CERAMIC DISCRIMINATOR
August 2005
2005 TOKO America, Inc.
All Rights Reserved
Printed in USA
1
CF-329-CDF
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
TYPE CDF Discriminators
TOKO Center Demodulated Demodulated
Part Frequency (Rank Color Demodulated Distortion 3dB Applicable
Number* (Fo) Code) Output
Factor Bandwidth IC*
#CDF107F-AE-022 A:10.70MHz±30kHZ (None) 60mV min. 1.0% max. 220kHz min. TA2111F
B:10.67MHz±30kHZ (Blue)
C:10.73MHz±30kHZ (Orange)
D:10.64MHz±30kHZ (Black)
E:10.76MHz±30kHZ (White)
* Ceramic discriminators are classified by exclusive IC numbers. Please ask for TOKO Part Number.
STANDARD DISCRIMINATORS SELECTION GUIDE
Description
May be used in combination with IF step filters
to remove need for adjustment.
Features
Compact and low profile (ideal for slimline sets)
Low temperature coefficient for low dispersion and
stable characteristics
Independent terminal structure
Lead-free terminations
Applications
Ideal for small sets, general purpose radios,
and headphone stereos.
Wireless data communication equipment
Center Frequency:
Fo is defined as the Carrier Frequency at the D.C. output.
Test Conditions:
MOD: 1kHz, DEV: 22.5kHz, INPUT: 80dB
μ
Unit: mm
CDF107F