464.00 MHz
SAW Filter
II. Impedance Matching: Toko Inductor
200 Ohm Differential Impedance (4:1 Transformers Account for 2dB of Loss)
J1
L1
10
6
L3
C1
SF2076B
C2 C3
1:4
1
5
4:1
J2
XFMR1
L2
L4
XFMR2
All Other Pins Ground
Part
PCB
L2-L4
C1, C3
C2
XFMR1, XFMR2
J1, J2
Value
NA
27 nH
6.8 pF
.5 pF
4:1 Ratio
Female SMA
Manufactureer Part #
CUSTOM BUILT FOR RFM
TOKO LL 1608-FSL27NJ
Murata GRM1885C1H6R8CZ01D
Murata GRM1885C1HR50CZ01D
Mini Circuits ADT4-1WT
M/A Com 2052-0000-00
RFM Part #
400-1608-001
NA
500-0621-068
NA
500-0912-001
500-2048-001
Qty.
1
4
2
1
2
2
23 Mar 2006 09:49:17
CH1
S21
LOG
10 dB/
REF -20 dB
1 : 0 . 0000
dB
0 . 000
000
MHz
SF2076B Demo Using TOKO Inductors
Full 2-port cal, -1.5 dB BW
CH1 PASS
PRm
ACTUAL LOSS ABOUT -10.581 dB DUE TO TRANSFORMER LOSS
CH1
Markers
REF=1
Cor
BW :
3 . 991976
MHz
cent
:
463 . 966912
MHz
Q: 116 . 22
1_ loss
: -12
. 581
dB
1
Hld
3
2
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
Page 5 of 11
?1999 by RF Monolithics, Inc. The stylized RFM logo are registered trademarks of RF Monolithics, Inc.
SF2076B-062106
相关PDF资料
SF2079D SAW FILTR IF 251.045MHZ SM3838-8
SF2081D SAW FILTER IF 1220MHZ SM3838-8
SF2081E SAW FILTER IF 1220MHZ SM3030-8
SF2085A SAW FILTER IF 96MHZ SMP-53-S
SF2086C SAW FILTER IF 240.0MHZ SM5050-8
SF2087C SAW FILTER IF 267.5MHZ SM5050-8
SF2088C SAW FILTER IF 297.5MHZ SM5050-8
SF2089C SAW FILTER IF 327.5MHZ SM5050-8
相关代理商/技术参数
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