Complex conjugate zeros in pure RC ckt

In summary, complex conjugate zeros in a pure RC circuit are the roots of the circuit's characteristic equation and represent frequencies at which the circuit's output will be zero. These zeros can lead to oscillations or resonances in the output signal, which can have both positive and negative effects on the circuit's performance. They are also related to the circuit's transfer function, which describes the relationship between the input and output signals. The location of complex conjugate zeros can be determined by solving the characteristic equation, and a pure RC circuit can have multiple complex conjugate zeros depending on its order.
  • #1
asifshaik
7
0
Hi,
Is there a possibility of getting a complex conj zeros in pure RC ckt.
we never get complex conj poles but how about complex conj zeros.
regards,
Asif
 
Engineering news on Phys.org
  • #2
No.

Claude
 
  • #3
I need explanation why we don't get complex conj zeros in a pure RC circuit.
regards,
asif
 

1. What are complex conjugate zeros in a pure RC circuit?

Complex conjugate zeros in a pure RC circuit refer to the roots of the characteristic equation of the circuit, which have the form of a complex conjugate pair. These zeros represent the frequencies at which the circuit's output will be zero.

2. How do complex conjugate zeros affect the behavior of a pure RC circuit?

The presence of complex conjugate zeros in a pure RC circuit can lead to oscillations or resonances in the output signal. These phenomena can have both positive and negative effects on the circuit's performance, depending on the specific application.

3. What is the relation between complex conjugate zeros and the circuit's transfer function?

The complex conjugate zeros of a pure RC circuit are the roots of its transfer function. This function describes the relationship between the input and output signals of the circuit and is crucial in analyzing its behavior.

4. How can I determine the location of complex conjugate zeros in a pure RC circuit?

The location of complex conjugate zeros in a pure RC circuit can be determined by solving the characteristic equation of the circuit. This equation can be derived from the circuit's differential equation and can be solved using techniques such as the quadratic formula.

5. Can a pure RC circuit have multiple complex conjugate zeros?

Yes, a pure RC circuit can have multiple complex conjugate zeros. The number of zeros depends on the order of the circuit, which is determined by the number of energy storage elements (such as capacitors and inductors) in the circuit. A second-order circuit can have up to two complex conjugate zeros, while a third-order circuit can have up to three, and so on.

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