464.00 MHz
SAW Filter
II. Impedance Matching: Toko Inductor
200 Ohm Differential Impedance (4:1 Transformers Account for 2dB of Loss)
L1
L3
J 1
6
10
C3
C1
C2
SF2076B
5
1
J 2
4:1
1:4
L4
L2
XFMR2
XFMR1
All Other Pins Ground
Part
Value
Manufactureer Part #
RFM Part #
400-1608-001
NA
Qty.
PCB
NA
27 nH
CUSTOM BUILT FOR RFM
TOKO LL 1608-FSL27NJ
1
4
2
1
2
2
L2-L4
C1, C3
C2
6.8 pF
Murata GRM1885C1H6R8CZ01D
Murata GRM1885C1HR50CZ01D
Mini Circuits ADT4-1WT
500-0621-068
NA
.5 pF
XFMR1, XFMR2
J1, J2
4:1 Ratio
Female SMA
500-0912-001
500-2048-001
M/A Com 2052-0000-00
23Mar2006 09:49:17
CH1
S21
LOG
10dB/
REF-20dB
1 : 0 . 0000
dB
0. 000
000
MHz
CH1PASS
SF2076BDemoUsingTOKOInductors
Full2-portcal,-1.5dBBW
PRm
Cor
ACTUALLOSSABOUT-10.581dBDUETOTRANSFORMERLOSS
CH1 Markers
REF=1
3 . 991976
BW :
:
MHz
cent
463
.
966912
Q: 116
MHz
22
.
1_ loss
:
-12
.
581
dB
1
Hld
2
3
4
Full
START
459
.
000
000
MHz
STOP
469
.
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
SF2076B-062106
Page 5 of 11
©1999 by RF Monolithics, Inc. The stylized RFM logo are registered trademarks of RF Monolithics, Inc.
RFM [ RF MONOLITHICS, INC ]
