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741 OPAMP POLE/ZERO
ANALYSIS
Analog Electronics Winter 1390 | SUT25761
Siavash Kananian ©
![Page 2: 741 OPAMP POLE/ZERO ANALYSIS - Sharifee.sharif.edu/~elec_analog-AliF/hw/Fotowat/u741.pdf · Parasitic capacitance between nodes 5 & 6 A 13pF cap. is placed between nodes 5 & 6 Siavash](https://reader030.vdocument.in/reader030/viewer/2022011809/5d50467688c993f04f8bac3c/html5/thumbnails/2.jpg)
u741schematic
Siavash Kananian ©
![Page 3: 741 OPAMP POLE/ZERO ANALYSIS - Sharifee.sharif.edu/~elec_analog-AliF/hw/Fotowat/u741.pdf · Parasitic capacitance between nodes 5 & 6 A 13pF cap. is placed between nodes 5 & 6 Siavash](https://reader030.vdocument.in/reader030/viewer/2022011809/5d50467688c993f04f8bac3c/html5/thumbnails/3.jpg)
Simplified, Conceptual Schematic
Diagram of the 741 Op Amp
Siavash Kananian ©
![Page 4: 741 OPAMP POLE/ZERO ANALYSIS - Sharifee.sharif.edu/~elec_analog-AliF/hw/Fotowat/u741.pdf · Parasitic capacitance between nodes 5 & 6 A 13pF cap. is placed between nodes 5 & 6 Siavash](https://reader030.vdocument.in/reader030/viewer/2022011809/5d50467688c993f04f8bac3c/html5/thumbnails/4.jpg)
Multicollector Lateral PNP
Siavash Kananian ©
![Page 5: 741 OPAMP POLE/ZERO ANALYSIS - Sharifee.sharif.edu/~elec_analog-AliF/hw/Fotowat/u741.pdf · Parasitic capacitance between nodes 5 & 6 A 13pF cap. is placed between nodes 5 & 6 Siavash](https://reader030.vdocument.in/reader030/viewer/2022011809/5d50467688c993f04f8bac3c/html5/thumbnails/5.jpg)
Simplified Schematic of the 741 Op
Amp with Idealized Biasing
Siavash Kananian ©
![Page 6: 741 OPAMP POLE/ZERO ANALYSIS - Sharifee.sharif.edu/~elec_analog-AliF/hw/Fotowat/u741.pdf · Parasitic capacitance between nodes 5 & 6 A 13pF cap. is placed between nodes 5 & 6 Siavash](https://reader030.vdocument.in/reader030/viewer/2022011809/5d50467688c993f04f8bac3c/html5/thumbnails/6.jpg)
Bias circuitry
Siavash Kananian ©
![Page 7: 741 OPAMP POLE/ZERO ANALYSIS - Sharifee.sharif.edu/~elec_analog-AliF/hw/Fotowat/u741.pdf · Parasitic capacitance between nodes 5 & 6 A 13pF cap. is placed between nodes 5 & 6 Siavash](https://reader030.vdocument.in/reader030/viewer/2022011809/5d50467688c993f04f8bac3c/html5/thumbnails/7.jpg)
Input Stage Biasing of the 741 Op Amp
Siavash Kananian ©
![Page 8: 741 OPAMP POLE/ZERO ANALYSIS - Sharifee.sharif.edu/~elec_analog-AliF/hw/Fotowat/u741.pdf · Parasitic capacitance between nodes 5 & 6 A 13pF cap. is placed between nodes 5 & 6 Siavash](https://reader030.vdocument.in/reader030/viewer/2022011809/5d50467688c993f04f8bac3c/html5/thumbnails/8.jpg)
Darlington Gain Stage Biasing
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![Page 9: 741 OPAMP POLE/ZERO ANALYSIS - Sharifee.sharif.edu/~elec_analog-AliF/hw/Fotowat/u741.pdf · Parasitic capacitance between nodes 5 & 6 A 13pF cap. is placed between nodes 5 & 6 Siavash](https://reader030.vdocument.in/reader030/viewer/2022011809/5d50467688c993f04f8bac3c/html5/thumbnails/9.jpg)
Output Stage Biasing of the 741 Op Amp
Siavash Kananian ©
![Page 10: 741 OPAMP POLE/ZERO ANALYSIS - Sharifee.sharif.edu/~elec_analog-AliF/hw/Fotowat/u741.pdf · Parasitic capacitance between nodes 5 & 6 A 13pF cap. is placed between nodes 5 & 6 Siavash](https://reader030.vdocument.in/reader030/viewer/2022011809/5d50467688c993f04f8bac3c/html5/thumbnails/10.jpg)
Siavash Kananian ©
![Page 11: 741 OPAMP POLE/ZERO ANALYSIS - Sharifee.sharif.edu/~elec_analog-AliF/hw/Fotowat/u741.pdf · Parasitic capacitance between nodes 5 & 6 A 13pF cap. is placed between nodes 5 & 6 Siavash](https://reader030.vdocument.in/reader030/viewer/2022011809/5d50467688c993f04f8bac3c/html5/thumbnails/11.jpg)
Freq. Response
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![Page 12: 741 OPAMP POLE/ZERO ANALYSIS - Sharifee.sharif.edu/~elec_analog-AliF/hw/Fotowat/u741.pdf · Parasitic capacitance between nodes 5 & 6 A 13pF cap. is placed between nodes 5 & 6 Siavash](https://reader030.vdocument.in/reader030/viewer/2022011809/5d50467688c993f04f8bac3c/html5/thumbnails/12.jpg)
Pole @ node 14
A 30pF cap. Is shunted with node 14
Siavash Kananian ©
![Page 13: 741 OPAMP POLE/ZERO ANALYSIS - Sharifee.sharif.edu/~elec_analog-AliF/hw/Fotowat/u741.pdf · Parasitic capacitance between nodes 5 & 6 A 13pF cap. is placed between nodes 5 & 6 Siavash](https://reader030.vdocument.in/reader030/viewer/2022011809/5d50467688c993f04f8bac3c/html5/thumbnails/13.jpg)
Parasitic capacitance between nodes 5 & 6
A 13pF cap. is placed between nodes 5 & 6
Siavash Kananian ©
![Page 14: 741 OPAMP POLE/ZERO ANALYSIS - Sharifee.sharif.edu/~elec_analog-AliF/hw/Fotowat/u741.pdf · Parasitic capacitance between nodes 5 & 6 A 13pF cap. is placed between nodes 5 & 6 Siavash](https://reader030.vdocument.in/reader030/viewer/2022011809/5d50467688c993f04f8bac3c/html5/thumbnails/14.jpg)
Output From HSPICE
Siavash Kananian ©
![Page 15: 741 OPAMP POLE/ZERO ANALYSIS - Sharifee.sharif.edu/~elec_analog-AliF/hw/Fotowat/u741.pdf · Parasitic capacitance between nodes 5 & 6 A 13pF cap. is placed between nodes 5 & 6 Siavash](https://reader030.vdocument.in/reader030/viewer/2022011809/5d50467688c993f04f8bac3c/html5/thumbnails/15.jpg)
Pole at node 7
A 10pF cap. is shunted with node 7.
Siavash Kananian ©
![Page 16: 741 OPAMP POLE/ZERO ANALYSIS - Sharifee.sharif.edu/~elec_analog-AliF/hw/Fotowat/u741.pdf · Parasitic capacitance between nodes 5 & 6 A 13pF cap. is placed between nodes 5 & 6 Siavash](https://reader030.vdocument.in/reader030/viewer/2022011809/5d50467688c993f04f8bac3c/html5/thumbnails/16.jpg)
Pole @ node 9
A 100pF cap. is shunted with node 9
Siavash Kananian ©