LM358, LM258, LM2904, LM2904V
Figure 7. Voltage Reference
Figure 8. Wien Bridge Oscillator
50 k
R1
V
CC
5.0 k
V
CC
R2
–
V
10 k
CC
–
1/2
1/2
V
V
ref
O
LM358
V
LM358
+
O
MC1403
+
2.5 V
1
π
f
=
o
1
2
2
RC
V
=
V
CC
ref
For:
f
= 1.0 kHz
o
R1
R2
R = 16 k
Ω
µ
R
C
V
= 2.5 V (1 +
)
O
C
R
C = 0.01
F
Figure 9. High Impedance Differential Amplifier
Figure 10. Comparator with Hysteresis
1
C
+
1/2
R
e
1
R
Hysteresis
LM358
–
R2
V
OH
R1
V
–
O
+
V
a R1
b R1
ref
1/2
R1
1/2
e
o
LM358
+
LM358
V
O
V
–
in
V
OL
V
V
inH
1
C
inL
–
R
R1
R1 + R2
1/2
V
ref
(V
(V
– V )+ V
ref ref
V
=
OL
inL
LM358
+
e
2
R
R1
R1 + R2
– V ) + V
ref ref
V
=
OH
inH
e
= C (1 + a + b) (e – e )
R1
R1 + R2
o
2
1
H =
(V
OH
– V
)
OL
Figure 11. Bi–Quad Filter
1
f
=
o
R
2
π RC
R
100 k
R1 = QR
1
2
C1
V
=
V
CC
V
ref
R2
C
R1
in
C
R2 =
–
T
R
BP
1/2
–
100 k
1/2
LM358
LM358
R3 = T
N R2
–
1/2
+
C1 = 10 C
+
LM358
+
For:
f
Q
T
= 1.0 kHz
= 10
= 1
V
o
ref
V
ref
Bandpass
Output
R3
V
BP
N
ref
T
= 1
R1
R2
–
C1
1/2
Notch Output
R
C
= 160 k
= 0.001
R1 = 1.6 M
R2 = 1.6 M
R3 = 1.6 M
Ω
LM358
µ
Ω
Ω
Ω
F
+
V
ref
Where:
T
T
= Center Frequency Gain
= Passband Notch Gain
BP
N
5
MOTOROLA ANALOG IC DEVICE DATA
MOTOROLA [ MOTOROLA ]
