11.0 Operational Amplifiers. 1 of 11. FIGURE 14-2 Circuit for Example 14.1.
Robert L. Boylestad and Louis Nashelsky. Electronic Devices and Circuit Theory,
8e.
11.0 Operational Amplifiers
1 of 11
FIGURE 14-2 Circuit for Example 14.1.
Robert L. Boylestad and Louis Nashelsky Electronic Devices and Circuit Theory, 8e
Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.
11.0 Operational Amplifiers
2 of 11
11.0 Operational Amplifiers
3 of 11
FIGURE 14-11 Subtraction circuit.
Robert L. Boylestad and Louis Nashelsky Electronic Devices and Circuit Theory, 8e
Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.
11.0 Operational Amplifiers
4 of 11
FIGURE 14-25 Op-amp dc millivoltmeter.
Robert L. Boylestad and Louis Nashelsky Electronic Devices and Circuit Theory, 8e
Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.
11.0 Operational Amplifiers
5 of 11
FIGURE 14-29 Circuit for Example 14.11.
Robert L. Boylestad and Louis Nashelsky Electronic Devices and Circuit Theory, 8e
Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.
11.0 Operational Amplifiers
6 of 11
11.0 Operational Amplifiers
7 of 11
FIGURE 14-31 First-order low-pass active filter.
Robert L. Boylestad and Louis Nashelsky Electronic Devices and Circuit Theory, 8e
Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.
11.0 Operational Amplifiers
8 of 11
RF1 RF2 90k 90k
U1
R1
U2
R3
V
10k
0
V
10k
OUT
R2
0 +
R4
R5
20k
20k
OUT
20k
+ OPAMP
OPAMP C1
C3
0.02u
0.02u
0
C4 0.02u
0
V1 1Vac 0Vdc
0
Title Size A Date:
Document Number Sunday , March 18, 2007
Rev Sheet
1
of
1
11.0 Operational Amplifiers
9 of 11
10V
(398.573,7.0649)
5V
0V 10Hz V(RF1:2)
100Hz V(RF2:2)
1.0KHz
10KHz Frequency
100KHz
1.0MHz
10MHz
11.0 Operational Amplifiers
10 of 11
FIGURE 14-30b Ideal filter response: high-pass.
Robert L. Boylestad and Louis Nashelsky Electronic Devices and Circuit Theory, 8e
Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.
11.0 Operational Amplifiers
11 of 11
FIGURE 14-33 High-pass filter: (a) first order; (b) second order; (c) response plot.
Robert L. Boylestad and Louis Nashelsky Electronic Devices and Circuit Theory, 8e
Copyright ©2002 by Pearson Education, Inc. Upper Saddle River, New Jersey 07458 All rights reserved.