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参数资料
| 型号： | MF5CWM |
| 厂商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分类： | 运动控制电子 |
| 英文描述： | MF5 Universal Monolithic Switched Capacitor Filter |
| 中文描述： | SWITCHED CAPACITOR FILTER, RESISTOR PROGRAMMABLE, UNIVERSAL, PDSO14 |
| 封装： | SO-14 |
| 文件页数： | 10/16页 |
| 文件大小： | 293K |
| 代理商： | MF5CWM |
2.0 Modes of Operation
(Continued)
e
1
a
R2
R4
MODE 5: Numerator Complex Zeros, BP, LP
(SeeFigure 13 )
f
o
c
f
100or
1
a
R2
R4
c
f
CLK
50
f
z
e
1
b
R1
e
0
1
a
R2/R4
c
R3
e
0
1
b
R1/R4
c
R3
H
OBP
eb
#
R4
c
f
100or
1
b
R1
R4
c
f
CLK
50
Q
R2
Q
z
R1
H
0z1
H
OLP
eb
#
e
gain at C.Z. output (as f
x
0 Hz)
eb
R2 (R4
b
R1)
R2
a
R4
J
R1
R1 (R4
a
R2)
eb
R2
R1
H
0z2
e
gain at C.Z. output
#
as f
x
f
CLK
2
J
e
R2
R1
R2
a
R1
a
1
J
c
R3
R2
c
R4
MODE 6a: Single Pole, HP, LP Filter (SeeFigure 14 )
e
cutoff frequency of LP or HP output
e
R2
R3
R3
50
f
c
f
CLK
100orR2
f
CLK
H
OLP
e b
R3
R1
H
OHP
e b
R2
R1
MODE 6b: Single Pole LP Filter (Inverting and Non-
Inverting) (SeeFigure 15 )
e
cutoff frequency of LP outputs
j
R2
R3
R3
50
H
OLP1
e
1 (non-inverting)
H
OLP2
e b
R3
R2
f
c
f
CLK
100orR2
f
CLK
TL/H/5066–22
FIGURE 13. MODE 5
TL/H/5066–23
FIGURE 14. MODE 6a
TL/H/5066–24
FIGURE 15. MODE 6b
10
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