參數(shù)資料
型號: MC3303
廠商: Fairchild Semiconductor Corporation
元件分類: 運動控制電子
英文描述: Quad Operational Amplifier
中文描述: 四路運算放大器
文件頁數(shù): 7/11頁
文件大小: 322K
代理商: MC3303
1/4
MC3403
e
o
V
CC
C
O
C
O
= 10C
C
R3
R2
R1
e
I
V
(ref)
V
(ref)
1
2
V
CC
=
C
Given
f
o
= Center frequency ; choose values f
o
, C then
R3
=
Q
π
f
o
C
R3
2A
(
f
o
)
R1 R5
4Q
2
R1
R5
A (f
o
) = Gain at center frequency
R1
=
R2
=
For less than 10% error from operational amplifier
Q
o
Bf
o
and BW are expressed in Hz
If source impedance varies, filter may be preceded with voltage follower buffer to stabilize filter parameters
MULTIPLE FEEDBACK BANDPASS FILTER
1/4
MC3403
V
(ref)
V
(ref)
1
2
V
CC
=
Triangle wave output
C
1/4
MC3403
R2
300k
Square wave output
R3
75k
R1
100k
V
(ref)
R1 + R2
4 CR R1
f =
if R3 =
R2 R1
R2 + R1
R
f
APPLICATION INFORMATION
(continued)
FUNCTION GENERATOR
MC3303 - MC3403 - MC3503
7/11
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