76.500 MHz
SAW Filter
Matching Circuit and Matching Component Values Used on Filter Demo Board
C3
C4
C1
C2
Zinput
1:3
Transformer
150W
Zoutput
4:1
Transformer
200W
RFM
SF2038B
L2
L1
SF2038B
76.500 MHz
C1 = 22pF
C2 = 22pF
L1 = 220nH
L2 = 270nH
C3 = 22pF
C4 = 22pF
18Apr2005 16:45:17
CH1
S21
LOG
10dB/
REF-10dB
1 : 0. 0000
dB
0. 000
000
MHz
SF2038BDEMO
PRm
CH1 Markers
REF=1
BW :
:
14 . 018412
MHz
MHz
1
2
Cor
cent
76 . 407122
3
4
Q: 5. 4505
1_ loss
:
-10 . 031
dB
CENTER
76 . 500
000
MHz
SPAN
80 . 000
000
MHz
RF Monolithics, Inc.
RFM Europe
Phone: (972) 233-2903
Phone: 44 1963 251383
Fax: (972) 387-8148
Fax: 44 1963 251510
E-mail: info@rfm.com
http://www.rfm.com
SF2038B-082905
Page 3
©1999 by RF Monolithics, Inc. The stylized RFM logo are registered trademarks of RF Monolithics, Inc.
RFM [ RF MONOLITHICS, INC ]
