How to implement a passive RLC circuit from transfer function?
I'm designing a passive filter for a power electronic circuit.Theoretically I have obtained a transfer function of a passive filter that fits my requirement. But I don't know how to implement it...
View ArticleClik here to view.
Ltspice simulation of Control to output transfer function
1'st picture is the control to output transfer function. For those wondering how I obtained this formula, you can check here : Control to output transfer function .This formula was obtained with the...
View ArticleClik here to view.
Transfer Function of Differential opamp with common mode voltage
When we consider the relationship between Vout and Vin of the differential amplifier, we connect one of its inputs each time to the ground to ignore that input voltage in the calculation, in order to...
View ArticleClik here to view.
LTspice simulation for control to output transfer function
EXPLANATION OF THE PICTURES1st picture is control to output transfer function. For thosewondering how I obtained this formula, you can checkControl to output transfer function.This formula was obtained...
View ArticleClik here to view.
What are the steps of getting from equation 1 to equation 2?
This problem is from a solution key to a practice test:I am struggling to see how the teacher got from equation 1 to equation 2. I've tried using this quality factor equation:And I know that the N=16...
View ArticleClik here to view.
Transfer function of a Voltage-Fed PCM-controlled Push-Pull converter in CCM...
I am designing a Voltage-Fed Push-Pull converter, and I would like to determine the system's transfer function in both CCM and DCM modes. The control will be in Peak Current Mode. I am reading through...
View ArticleClik here to view.
Controlling current through a RL load using Triac firing angle
I want to control the amount of current going through a Triac by adjusting the firing angle accordingly. The Circuit is shown below:Let's say i want IRMS to be 0.28A then the controller need to change...
View ArticleClik here to view.
Meaning of transfer function in s evaluated at a complex number
From the pole-zero plot, you can compute the system frequency response by assuming a locus of test points along the \$j\omega\$ axis.Figure from:...
View ArticleClik here to view.
Expression of a feedback circuit
I'm modelling a feedback circuit in Ltspice, however, I want to work out the transfer function for it. See below for the circuit.Now I want the form of Vfb/VOA_o as:So, I've thought about breaking up...
View ArticleClik here to view.
How should I make the PWM switch model for a push-pull converter?
I would like to build a PWM switch model for the following voltage-fed push-pull converter (which operates in current mode) to determine its transfer function.I can handle simple topologies like buck...
View ArticleClik here to view.
How to implement a lowpass filter for this one zero, one pole transfer function?
I have a task where I need to implement a filter circuit (active) for the following transfer function:$$G(s)=\frac{(s-5447)}{(s-961.3)}$$So, we have one pole and one zero. The bode plot is as below...
View ArticleBessel filter: explicit calculus of the order of the filter
As it is well known Butterworth and Chebyshev filters have explicit ways of calculating the order, derived by its polynomials.For instance, for Butterworth filters:$$ n \geq \displaystyle...
View ArticleClik here to view.
Bode plot of second-order system
I was reading about second-order systems in Control systems engineering by Norman Nise and I am confused by the idea that the phase at high frequencies of a second-order system is equal to 180° (check...
View ArticleClik here to view.
Calculation of control to output transfer function
EXPLANATIONPicture 1 is control to output transfer function. (For those wondering how I obtained this formula, you can check Control to output transfer function. This formula was obtained with the help...
View ArticleClik here to view.
Buck converter - AC small signal equivalent circuit
I have 2 different type of AC small signal model of a simple buck converter.Although both of them represents a simple buck converter, why are the two graphs different from each other?Source:...
View ArticleClik here to view.
Transfer Function for an RC high pass filter
How am I supposed to calculate the magnitude of this transfer function in terms of omega?
View ArticleClik here to view.
I have no idea how to solve this (added third simulation)
I need to find formula for and transfer function of this circuit. I've been working on it for four days and still couldn't solve it.Also a simulation I did in https://www.falstad.com/afilter/.(added...
View ArticleGeneralized Transfer Function
In many books I've seen the generalized transfer function expressed using:\$\displaystyle G(s) = K \frac{(s + z_1)(s + z_2)\ldots}{s^n (s + p_1) (s + p_2)\ldots} \$What I don't understand is where the...
View ArticleClik here to view.
Common mode voltage with configurations of Opamp
I am reading this article (https://www.analog.com/media/en/training-seminars/design-handbooks/designers-guide-instrument-amps-complete.pdf) in order to understand more how traditional instrumentation...
View ArticleClik here to view.
Need help with the transfer function of a lead-lag filter
I keep getting $$\frac{\operatorname{V_2}(s)}{\operatorname{V_1}(s)}=- \frac{1}{R_1 C_2} \cdot \frac{\left(R_1C_1s+1\right)\cdot\left(R_2C_2s+1\right)}{s}$$which is improper and wrong. Help is much...
View Article