76.500 MHz
SAW Filter
Matching Circuit and Matching Component Values Used on Filter Demo Board
Zinput
1:3
Transformer
150Ω
Ω
C1
L1
C2
RFM
SF2037B
L2
C3
C4
Zoutput
16:1
Transformer
800Ω
Ω
SF2037B
76.500 MHz
C1 = 9pF
C2 = 9pF
L1 = 270nH
L2 = 330nH
C3 = 18pF
C4 = 18pF
18 Apr 2005 16:24:10
CH1
S21
LOG
10 dB/
REF -10 dB
1 : 0 . 0000
dB
0 . 000
000
MHz
SF2037B DEMO
PRm
BW :
cent
3
2
4
:
1
Cor
Markers
REF=1
4 . 151147
MHz
76 . 518300
MHz
CH1
Q: 18 . 433
1_ loss
: -10
. 204
dB
CENTER
76 . 500
000
MHz
SPAN
40 . 000
000
MHz
RF Monolithics, Inc.
Phone: (972) 233-2903
Fax: (972) 387-8148
RFM Europe
Phone: 44 1963 251383
Fax: 44 1963 251510
©1999 by RF Monolithics, Inc. The stylized RFM logo are registered trademarks of RF Monolithics, Inc.
E-mail: info@rfm.com
http://www.rfm.com
SF2037B-082905
Page 3
RFM [ RF MONOLITHICS, INC ]
