CDF

FM CERAMIC DISCRIMINATOR

August 2005

1

© 2005 TOKO America, Inc.

All Rights Reserved

Printed in USA

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: 80dBμ

Unit: mm

CDF107F