参数资料
型号: MF10ACWM
厂商: NATIONAL SEMICONDUCTOR CORP
元件分类: 运动控制电子
英文描述: Universal Monolithic Dual Switched Capacitor Filter
中文描述: SWITCHED CAPACITOR FILTER, BUTTERWORTH/BESSEL/CHEBYSHEV, UNIVERSAL, PDSO20
封装: PLASTIC, SO-20
文件页数: 12/20页
文件大小: 405K
代理商: MF10ACWM
2.0 Modes of Operation
(Continued)
MODE 5: Numerator Complex Zeros, BP, LP
(SeeFigure 13 )
e
1
b
R2
R4
100
e
0
1
a
R2/R4
c
R3
R2
e
0
1
b
R1/R4
c
R3
R1
f
O
e
1
a
R2
R4
c
f
CLK
100
or
1
a
R2
R4
c
f
CLK
50
f
z
c
f
CLK
or
0
1
b
R1
R4
c
f
CLK
50
Q
Q
Z
H
0z1
e
gain at C.Z. output (as f
x
0 Hz)
b
R2(R4
b
R1)
R1(R2
a
R4)
H
OLP
e b
H
0z2
e
gain at C.Z. output
#
as f
x
f
CLK
2
J
e
b
R2
R1
H
OBP
e b
R2
R1
a
1
c
R3
R2
R2
a
R1
R2
a
R4
J
c
R4
R1
MODE 6a: Single Pole, HP, LP Filter (SeeFigure 14 )
e
cutoff frequency of LP or HP output
e
R2
R3
100
f
c
f
CLK
orR3
f
CLK
50
H
OLP
e b
R3
R1
H
OHP
e b
R2
R1
MODE 6b: Single Pole LP Filter (Inverting and Non-In-
verting) (SeeFigure 15 )
e
cutoff frequency of LP outputs
j
R2
R3
100
f
c
f
CLK
orR3
f
CLK
50
H
OLP1
e
1 (non-inverting)
H
OLP2
e b
R3
R2
TL/H/10399–22
FIGURE 13. MODE 5
TL/H/10399–23
FIGURE 14. MODE 6a
TL/H/10399–24
FIGURE 15. MODE 6b
12
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