I have an assignment problem in my circuits class as follows;
Let us assume we have a DC voltage measured in a circuit, called Vin. We intend to build a circuit such that it has a transfer function defined as
H(s) = Vout(s) / Vin(s)
= (s^2 + s + 1) / s
Draw this electric circuit. The circuit can be composed of resistors, inductors, capacitors and opamps only. Then verify your circuit for any arbitrary DC voltage used instead of Vin by a simulator.
My workings so far;
H(s) could be simplified to = (s^2)/s + s/s + 1/s
= s + 1 + 1/s
= 1/(1/s) + (1/s)/(1/s) + (1/s^2)/(1/s)
I have assumed that Vin will be Vin(s) = 1/s which represents a u(t) step function in time domain - i.e. a DC voltage.
The Vout would therefore be Vout(s) = 1 + 1/s + 1/s^2
The inverse laplace of this would be the following in time domain;
delta(t) + t + 1
I would appreciate any guidance if I am approaching this the right way - and how would I possibly go about finding the circuit for such a function?
Let us assume we have a DC voltage measured in a circuit, called Vin. We intend to build a circuit such that it has a transfer function defined as
H(s) = Vout(s) / Vin(s)
= (s^2 + s + 1) / s
Draw this electric circuit. The circuit can be composed of resistors, inductors, capacitors and opamps only. Then verify your circuit for any arbitrary DC voltage used instead of Vin by a simulator.
My workings so far;
H(s) could be simplified to = (s^2)/s + s/s + 1/s
= s + 1 + 1/s
= 1/(1/s) + (1/s)/(1/s) + (1/s^2)/(1/s)
I have assumed that Vin will be Vin(s) = 1/s which represents a u(t) step function in time domain - i.e. a DC voltage.
The Vout would therefore be Vout(s) = 1 + 1/s + 1/s^2
The inverse laplace of this would be the following in time domain;
delta(t) + t + 1
I would appreciate any guidance if I am approaching this the right way - and how would I possibly go about finding the circuit for such a function?