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LM224N View Datasheet(PDF) -

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LM224N
 
LM224N Datasheet PDF : 0 Pages
LM324, LM324A, LM224, LM2902, LM2902V, NCV2902
VCC
MC1403
R1
VCC
R2
-
1/4
LM324
VO
+
2.5 V
VO = 2.5 V
ă1 +
R1
R2
50 k
Vref
Vref
=
1
2
VCC
5.0 k
10 k
-
VCC
1/4
LM324
+
R
R
C
C
VO
1
fo = 2 π RC
For: fo = 1.0 kHz
R = 16 k
C = 0.01 µF
Figure 10. Voltage Reference
Figure 11. Wien Bridge Oscillator
e1
+
1/4
1
C
R
R
LM324
-
R1 a R1
-
1/4
LM324
eo
+
b R1
-
1/4
1
C
R
LM324
e2
+
R
eo = C (1 + a + b) (e2 - e1)
Figure 12. High Impedance Differential Amplifier
R2
R1
Vref
Vin
+
1/4
LM324
-
VOH
VO
VO VOL
VinL =
R1
R1 + R2
(VOL - Vref) + Vref
VinH =
R1
R1 + R2
(VOH - Vref) + Vref
H=
R1
R1 + R2
(VOH - VOL)
Hysteresis
VinL VinH
Vref
Figure 13. Comparator with Hysteresis
Vin C1
R2
R
-C
1/4
LM324
+
Vref
R2
R
C
R
-
1/4
LM324
+
100 k
100 k
-
1/4
LM324
1
fo = 2 π RC
R1 = QR
R2 =
R1
TBP
R3 = TN R2
C1 = 10C
Vref =
1
2
VCC
Vref
Bandpass
Output
R1
R3
-
1/4
LM324
+
+
Vref
C1
For:ąfoă=ă1.0 kHz
For:ąQă= 10
For:ąTBPă= 1
For:ąTNă= 1
Notch Output
R = 160 k
C = 0.001 µF
R1 = 1.6 M
Vref
Where:ąTBPă=ăCenter Frequency Gain
Where:ąTNă=ăPassband Notch Gain
R2 = 1.6 M
R3 = 1.6 M
Figure 14. Bi–Quad Filter
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