80.460 MHz

SAW Filter

RF Monolithics, Inc.

Phone: (972) 233-2903

Fax: (972) 387-8148

E-mail: info@rfm.com

Page 3

RFM Europe

Phone: 44 1963 251383

Fax: 44 1963 251510

http://www.rfm.com

©1999 by RF Monolithics, Inc. The stylized RFM logo are registered trademarks of RF Monolithics, Inc.

SF2040B-082905

CH1

S21

LOG

10 dB/

REF -9.4 dB

CENTER

80 . 460

000

MHz

SPAN

40 . 000

000

MHz

SF2040B DEMO

Cor

PRm

18 Apr 2005 17:20:48

1

2

3

4

1 : 0 . 0000

dB

0 . 000

000

MHz

REF=1

CH1

Markers

BW :

4 . 115881

MHz

cent

:

80 . 535439

MHz

Q: 19 . 567

1_ loss

: -9 . 4148

dB

C1

C2

L1

RFM

SF2040B

L2

L3

SF2040B

80.460 MHz

C1 = 9pF

C2 = 9pF

L1 = 270nH

L2 = 330nH

L3 = 330pF

C3 = 12pF

C3

Zinput

1:3

Transformer

150Ω

150Ω

Zoutput

16:1

Transformer

800Ω

800Ω

Matching Circuit and Matching Component Values Used on Filter Demo Board