LFC/LFCM

AM CERAMIC FILTERS

August 2005

2

© 2005 TOKO America, Inc.

All Rights Reserved

Printed in USA

CF-317-LFC/M

R-LOG0805A

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.

Frequency Response

LFC / LFCM (4 element)

415 425 435 445 455 465 475 485

100

80

60

495

40

20

0

Frequency (kHz)

C

E

H

Bandwidth

Rank:

C = ±12.5kHz

E = ±7.5kHz

H = ±3kHz

Z = Rg + R1 =R2

E.V.

1

2

3

SG.

50

Ω

E1

R1

R2

E2

Rg

Z = Rg + R1 =R2

E.V.

1

2

3

SG.

E1

R1

R2

E2

4

50

Ω

Rg

1. C includes test circuit capacitance.

Cs: Stray capacitance

(less than 50pF, including EV)

LFC

Test circuit

LFCM

Test circuit

Test Circuit

Test Conditions