Op Amp transfer function and poles: 3.1 The circuit in Figure 3 behaves in a manner very similar to an RLC circuit. a) Write the node equations. b) Assume va = V,e“, vn = Vyc", and find the characteristic equation. e) Find a and w, in terms of C1,C2, G1,G2. www- vo Figure 3 : Note: 1) Assuming ideal Op Amp with infinite gain Amr, i.e., vevo, kai=0. 2) The Laplace expression of the impedance of capacitor C is given by Z=1/(sC), with s-jua. 3) The two nodes of sub-problem a) are node A and node B. Write down the KCL equations for the two nodes. 4) The characteristic equation of sub-problem b) above is defined as H(s)=v,/v=vdv. 5) a and w are the imaginary part and real part of the poles of the denominator of the transfer function H(s). w H
Op Amp transfer function and poles: 3.1 The circuit in Figure 3 behaves in a manner very similar to an RLC circuit. a) Write the node equations. b) Assume va = V,e“, vn = Vyc", and find the characteristic equation. e) Find a and w, in terms of C1,C2, G1,G2. www- vo Figure 3 : Note: 1) Assuming ideal Op Amp with infinite gain Amr, i.e., vevo, kai=0. 2) The Laplace expression of the impedance of capacitor C is given by Z=1/(sC), with s-jua. 3) The two nodes of sub-problem a) are node A and node B. Write down the KCL equations for the two nodes. 4) The characteristic equation of sub-problem b) above is defined as H(s)=v,/v=vdv. 5) a and w are the imaginary part and real part of the poles of the denominator of the transfer function H(s). w H
Introductory Circuit Analysis (13th Edition)
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Publisher:Robert L. Boylestad
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![Op Amp transfer function and poles:
3.1 The circuit in Figure 3 behaves in a manner very similar to an RLC circuit.
a) Write the node equations.
b) Assume va = Vest, vB = Vjest, and find the characteristic equation.
c) Find a and w, in terms of C1, C2, G1,G2.
R2
www
C1
• vo
R2
Figure 3 :
Note:
1) Assuming ideal Op Amp with infinite gain A=0, i.e., VB=Vo, i,=i.=0.
2) The Laplace expression of the impedance of capacitor C is given by Z=1/(sC), with s=jw.
3) The two nodes of sub-problem a) are node A and node B. Write down the KCL equations for the
two nodes.
4) The characteristic equation of sub-problem b) above is defined as H(s)=v/v=V/vj.
5) a and w are the imaginary part and real part of the poles of the denominator of the transfer
function H(s).](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F672bf286-8abe-4b07-9ca1-0d5b2612956c%2F2daf1714-7dd9-4ce7-96d9-c3bbafab3d53%2F786hzsa_processed.png&w=3840&q=75)
Transcribed Image Text:Op Amp transfer function and poles:
3.1 The circuit in Figure 3 behaves in a manner very similar to an RLC circuit.
a) Write the node equations.
b) Assume va = Vest, vB = Vjest, and find the characteristic equation.
c) Find a and w, in terms of C1, C2, G1,G2.
R2
www
C1
• vo
R2
Figure 3 :
Note:
1) Assuming ideal Op Amp with infinite gain A=0, i.e., VB=Vo, i,=i.=0.
2) The Laplace expression of the impedance of capacitor C is given by Z=1/(sC), with s=jw.
3) The two nodes of sub-problem a) are node A and node B. Write down the KCL equations for the
two nodes.
4) The characteristic equation of sub-problem b) above is defined as H(s)=v/v=V/vj.
5) a and w are the imaginary part and real part of the poles of the denominator of the transfer
function H(s).
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