# Questions tagged [transfer-function]

Anything related to transfer functions, i.e. those complex-valued functions of a complex variable used to model mathematically the I/O relationship of linear time-invariant initially-at-rest system using Laplace transform.

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### Question on showing function in a control system block

I am trying to add a function to a control system diagram. I have a constant F being fed back into the diagram but it depends on a signal 'v'. In equations I directly used a signum function but for ...
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### Is the resonant frequency as defined for a second order transfer function same as the frequency at resonance in a second order electrical circuit?

When I studied second order system and thus natural, damped and resonant frequency I wondered if the resonant frequency I find using the formula $w _ { r } = w _ { n } \sqrt { 1 - 2 D ^ { 2 } }$ ...
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### Why is each time constant in this transfer function equal to "open circuit" time constant not "short circuit" time constant?

From this lecture notes, the open circuit time constant approximation: How to prove the yellow part? The lecture note mentioned Richard Adler at MIT did prove this but I could not able to find his ...
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### Transfer Function Involving Transformer

I am interested in how you would approach finding the transfer function of a circuit that involves a linear transformer. For example, the circuit below simulate this circuit – Schematic created ...
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### Designing a system with desired transfer function

Suppose we have a transfer function H(s) = 1/s+1. Is there a general method by which using electric components we can construct such a system?
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### Control system transfer function

I tried to find the transfer function F(s) = C(s)/R(s) through block manipulation and through Mason's Formula but the results are not matching. Where is the mistake?
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### Techniques for taking a transfer function and finding its resonance frequency

I've been doing problems out of my circuit analysis textbook by Ulaby, Fawwazz et al. to study for an upcoming exam. I am having serious trouble producing a transfer function and with such finding the ...
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### Filter signal on oscilloscope using math functions

Is there a way to do a time domain low pass filter, in software, on a Siglent SDS2000X Plus series oscilloscope using these math functions? The ones that stand out the most are ...
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### Transcieving 125khz rf signal

Does anybody know if it is possible to connect a coaxial cable to the tx rx pins on a wireless module ? I am trying to send data via coaxial RG58 cable. Or would a twisted pair be more suitable? I ...
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### Finding Transfer Function of RL Circuit

Can anyone help me to find TF of this RL Circuit
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### Transfer function for Sallen-Key notch filter

How can I find the transfer function H(s) of the following circuit by using impedance of the circuit? Should I instead do it by nodal analysis?
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### Integral Compensator Realization from Transfer Function

I am trying to design a compensator based on the transfer function below Gc(s)=(1.017E6s+4.969E9)/(s^2+4.884E5s) The transfer function has a constant that is offsetting circuit gain, followed by a low ...
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### Q: How to read this bode plot to find transfer function?

I am working on a blackbox system and I would like to make a Bode plot to find its transfer function. Since I do not have a lot of information on the system I am trying to input a series of sin waves ...
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### Complex transfer function complex conjugate issue

Going through Wireless Communication Electronics from Robert Sobot and came across the following. It's repeated throughout the book so my initial thought that it could be an error doesn't seem likely....
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### HAL USB device library transfer complete callback (USB MIDI adaption)

I have been able to implement Zac Rogers USB MIDI adaptation of the Cube MX USB device middleware: https://github.com/zacrogers/blue_usb_midi I can send USB midi messages on both F103 and F411. It ...
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### Transfer Function for active filter

Not too sure why, but I can’t seem to figure out the transfer function for the filter in question below. Can’t isolate Vout/Vin fully, there’s a straggling Vin that I can’t move over. Any thoughts?
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### Vout/Vin equation in time domain vs frequency domain

While studying op-amp circuits, I notice a pattern between the Vout/Vin equation in time domain and the frequency domain. For example: (images from Microelectronics by Bahzad Razavi, 2/e) The ...
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### How to control voltage at the output of the LC filter connected to the three phase inverter?

Let's say I have a three phase voltage source inverter with the LC filter connected to its output i.e. I have following circuit Suppose that my primary goal is to control the voltage at the output of ...
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### How to reconstruct phase data from magnitude only data in a frequency domain function?

I'm trying to do a reverse-engineering a software called LEAP from the now disappeared LinearX company. This software can perform an operation called "Minimum Phase Transform". This takes ...
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### Are systems with more zeroes than poles really non-realizable?

I have learnt that systems whose transfer functions have more zeroes than poles become non-causal and thus non-realizable in practice for real time implementation. But an op-amp differentiator, like ...
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### Transfer Function of 2 Loop RLC Circuit

simulate this circuit – Schematic created using CircuitLab For a problem I am tasked with finding the transfer function $G(s) = \frac{V_o(s)}{V_i(s)}$. I am having trouble defining the 2nd ...
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### Electrical and Control Engineering: Transfer Function Reduction problem

I am having a problem with calculating transfer function given with a picture below i need to calculate output Y(p) / input V(p) analitically. Here are the equasions, i dont know the equasion for a ...
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From an electrical circuit, I have the transfer function as: $$H(s) = \frac{R}{sRC + 1}$$ $V$ is the output and I is the input so we can write: $$V(s) = I(s) H(s)$$ or $$V(jω) = I(jω) H(jω)$$ ...