Datasheet

MC3303 - MC3403 - MC3503
6/10
HIGH IMPEDANCE DIFFERENTIAL AMPLIFIER COMPARATOR WITH HYSTERESIS
BI-QUAD FILTER
FUNCTION GENERATOR
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MC3403
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MC3403
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MC3403
e
1
R1
a R1
b R1
1
C
R
R
1
C
R
R
e
o
e
2
e
o
= C (1 + a + b) ( - )
e
1
e
2
R1
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MC3403
V
O
V
(ref)
V
I
R2
V
O
Hysteresis
V
OH
V
OL
V
(ref)
V
IL
V
IH
V = [V - V ] + V
OL
R1
R1+R2
(ref)
(ref)
V = [V - V ] + V
OL
R1
R1+R2
(ref)
(ref)
H = [V - V ]
OL
R1
R1+R2
IL
IH
OH
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MC3403
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MC3403
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MC3403
1/4
MC3403
R
R
C
C
R
100k
Ω
100k
Ω
C1
R2
e
I
V
(ref)
R2
R1
Bandpass output
V
(ref)
V
(ref)
R3
V
(ref)
C1
Notch output
R = 160k
Ω
C = 0.001
µ
F
R1 = 1.6M Ω
R2 = 1.6M Ω
R3 = 1.6M Ω
T = Passband notch gain
N
Where T = Center frequency gain
BP
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MC3403
V
(ref)
V
(ref)
1
2
V
CC
=
Triangle wave output
C
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MC3403
R2
300k
Ω
Square wave output
R3
75k
Ω
R1
100k
Ω
V
(ref)
R1 + R2
4 CR R1
f =
f
if R3 =
R2 R1
R2 + R1
R
f