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2
votes
3answers
72 views

Why does moving the imaginary (i/j) component in the capacitor element of a transfer function to the numerator flip the coefficient's sign?

I'm relearning things I lost since college. I remember you have to flip the sign in 1/(j-omega-C) if you want to turn it to j/(omega-C), but I do not remember why. Is there an empirical method for ...
5
votes
2answers
104 views

What is the significance of the standard form of 1st and 2nd order transfer functions?

A standard form of a first order differential equation is: (1) $$\tau \frac{dy}{dt} + y = k * x(t)$$ The laplace transform of this: (2) $$G(s) = \frac{Y(s)}{X(s)} = \frac{k}{\tau s+1}$$ but ...
0
votes
0answers
23 views

Synthesis of Non-unity transfer function

how to synthesize the following transfer function using analog(op-amp) circuits: K/(as^2+bs+c),where k is 110 (Non-unity Gain)
-2
votes
4answers
117 views

Baud rate calculation

I have an exam tomorrow and I'm confused on the following question, that may be asked in the exam: One byte data with parity bit by using asynchronous serial transmission with two stop bits. For ...
1
vote
4answers
201 views

Transfer Function

I have this question but I am really confused about how to start, can you please give me some helpful hints. Let us assume we have a DC voltage measured in a circuit, called Vin. We intend to build a ...
3
votes
2answers
163 views

Help Finding Transfer Function Of Circuit

What would be the transfer function of the following circuit, assuming an ideal op-amp? Thank You
0
votes
2answers
95 views

transfer function of electrical circuit (Beginner)

What is the correct way to find the transfer function of this circut using laplace transform? Can i add the impedance values of R and c (r and 1/(cs))?
-1
votes
1answer
55 views

Calculate the transfer function [duplicate]

I have a question about this circuit.What is the transfer function for this circuit?
0
votes
1answer
80 views

Transfer function for a temperature sensor

I have a STLM20 temperature sensor with a transfer function of: V0=(-11.69mV)/C *(T) + 1.8663 V I have solved for T then it should be: T=85.543*(1.8663-V0) is this correct?
-1
votes
2answers
125 views

How to realize these transfer functions through op-amp circuit? [closed]

how to synthesize the follwing tansfer function using analog circuit: [(1+sT1)(1-sT2)]/(as^2+bs+c)
3
votes
2answers
291 views

Transferring arbitrary data via Bluetooth Smart (BLE) with nRF51

I was wondering if it was possible to send arbitrary packets of data over a Bluetooth Smart (Low Energy, 4.0) link from a nRF51 (Nordic Semi, BLE compliant SoC) to a phone? Also if you don't know the ...
2
votes
3answers
559 views

Low Voltage DC Automatic Transfer Switch

I am new to circuits and have a very basic knowledge, and am currently interested in building a simple circuit that would take 2 DC inputs each of 12V 1.5A and output 1 x 12V 1.5A input even if 1 of ...
2
votes
2answers
189 views

Wireless transmission of energy through a layer of non-conductive material

Is it possible to effectively transmit energy by electromagnetical induction? I have a plate of nonconductive material (5-10 mm) and I would like to transfer electrical energy from circuit on one side ...
1
vote
1answer
109 views

circuit for any second order system

What circuit, with a single input and a single output, has a transfer function that looks like this: \$H(s)=\frac{\omega_n^2}{s^2+2\omega_n \zeta s+\omega_n^2}\$ (second order system)?
-2
votes
1answer
309 views

spidev_test.c analysis [closed]

I'm trying to connect a Raspberry Pi with a PIC32 through SPI. For RPi I'm using the spidev_test.c code (I'm modifying it to suit my needs) but... because I'm a novice in programming hardware, I'm ...
0
votes
2answers
146 views

Transfer function of frequency shifted signal

I have a system controled by the function \$i(t)\$ and described by this time-domain equation, $$l(t)=A+\frac{Pi(t)}{CK}-\frac{Pi(t)-CK(O-A)}{CK}e^{-Kt}$$ Taking the Laplace transform I get this, ...
1
vote
3answers
806 views

Transfer Function and Bode Plot from Poles and Zeroes

I've got the following bode plot from a black box: I've calculated the zero to be 1055 and pole to be 67. Thus I'm using the transfer function \$H(s) = (s-1055)/(s-67)\$ but this gives a clearly ...
3
votes
1answer
904 views

Can you find the transfer function of two cascaded networks if you know their individual transfer functions?

If you have network N1 with transfer function H1 and network N2 with transfer function H2, is there a way to find the transfer function H3 for the network produced when cascading N1 and N2 (and ...