passive-networks's questions - English 1answer

376 passive-networks questions.

J1772 Some background: Many electric cars are designed to use a "J1772" charging point. The main signal in the J1772 specification is called the pilot. Long story short, the car is expected to ...

For this given circuit bellow, how do I calculate the phase angle? For my example I have values, but I would like the general approach formula, this is what I have done so far Calculated X_L = 2*...

I am reading this doc about the equations for the step function for the RLC circuit, critically damped solution. At page 16 we have these lines... But there is a magic between these lines... How ...

We have an RLC series circuit with sinusoidal voltage source of frequency \$\omega\$. The normal transfer function of current to voltage is: $$ G(s) = \frac{I(s)}{V(s)} = \frac{1}{R+s L+ \frac{1}{s C}}...

If we consider the impedance matrix of a linear, reciprocal passive network (Z12 =Z21 because of the reciprocity), $$ \begin{bmatrix} Z_{11} & Z_{12} \\ Z_{12} & Z_{22} \...

I'm currently working through Cogdell's Foundations of Electrical Circuits and came across problem 4.39 d) as shown below: Earlier in the question I found the frequency-to-be-used as 43.3x10^3 rad/s. ...

I am watching this video where the guy is deriving the equations for the step function of a series RC circuit. At some point he has the following equation: \$ \frac{dt}{RC} = \frac{dv}{v_s - v} \$...

I have seen some articles about generating resonant waves using RLC circuits. I am wondering if that could be done using a crystal oscillator such as those used for microcontrollers?

I am trying to get some practice on the basics, but i am having some issues with the following question: Find Currents I(1) and I(2) and show them on a phasor diagram. Find the total current, I(total)...

I am reading this doc I see this magic happening on the third line of equations... How in the name of Math, does this \$ Ae^{st} \$ appeared there? Magic?

While writing a paper about an experiment I am conducting, I was wondering how inductor-capacitor circuits theoretically behaved. In theory, we assume that wires and components that are not resistors ...

I'm trying to understand how this power entry module suppresses common mode interference. Here is the diagram: I want to sort of make a simplistic EMC test in simulation just to see how the common ...

I am trying to understand the equations of the critically damped equations of a RLC circuit here I see this part on page 16 The part I do not understand is this one: How can part of the equation be ...

While measuring current from 0A to 500mA with 10uA step, I am using current resistor, current sense amplifier, 16-bit ADC.How do I choose current sense amplifier and current sense resistor

Question: Initially the switch position is aa', 3 H is connected across a 3 A supply and 6 H is connected across 6 A supply. After some time the make before break switch is actuated to the new ...

I have got an answer of 0.844 <108 A through nodal analysis with V1 being 18.91<18 V. I have been searching for an answer for 3 days but I can't find any help. And when made into a thevins ...

Edit: I realized my solution is invalid due to the dependent source. Upon further reading, I learned that only the independent sources get disabled, and \$R_L\$ transforms into a short circuit. ...

I have been trying to understand the expression of |s21| for the resonator mentioned in this article. For a circuit similar to the drawn below, in which R1 is used as the temperature sensitive element,...

I have 3 "Emitter-Coupled" Oscillator, the difference is that I don't use a resistor on the tank circuit and I do vary the Inductor inductance. They're close on the PCB and they got some disturbs, if ...

First sorry if the question is stupid... I am learning. I am trying to visualize here, without equations, what happens to a RLC circuit that makes it oscillate. Consider a RLC circuit, a switch and ...

I am reading this page that contains the transient solutions for RLC series circuits: over-damped, critically damped and under-dumped. This site presents these graphics for the 3 cases: Then I have ...

Below the RLC circuit on the left side by the help of a periodic impulse generator V1 generates periodic damped oscillations with a certain frequency, and the resulting oscillating current couples to ...

The diagram below shows a capacitively coupled parallel RLC resonator. Through simulations I observe that C2 and C3 influence the resonant frequency . I'd like to obtain the analytic expression for ...

can i use lc filter on three phase stepper motor (variable reluctance motor) to get sinewave current ? We know that if we put sinewave voltage on ststor windings, the stator current will not be ...

Book pages at https://books.google.co.in/books?id=d-7owi6uNtMC What I see is that they have taken d^2 v/dt^2 as an input at point A, integrated it to get dv/dt, integrated it again to get v=2sin3t V,...

I want to create a input energy dependent frequency shunt network, which goes in parallel with a loudspeaker, At low volumes, a certain midrange frequency should be shunted off the loudspeaker. The ...

I just learned transient circuits and we solved them both in the time domain and the Laplace domain and I can't understand why we would use the Laplace domain as it seems it is a lot more simple to ...

I have seen the expression for the transfer function of an RLC tank given as the following. $$H(j\omega) = \frac{H_o}{1+j2Q\frac{\omega-\omega_o}{\omega_o}}$$ I am somewhat able to get this result, ...

I am confused with the above problem. I tried but I am not sure that my answer is correct. Please verify my solution for any conceptual mistake.

While analysing a PCB, I realised that a RLC circuit was placed before the full bridge rectifier. I am wondering, what functional use does it have? simulate this circuit – Schematic created ...

It is said that voltage across capacitor/inductor is higher than the applied AC voltage. How?

This is a silly question to ask because the answer might be obvious, but I still have my doubts. If given a circuit composed only of resistors, inductors, and capacitors, if its impulse response ...

This seems very counter intuitive to me. How can increasing capacitance value make the circuit more inductive ? The math tells me so : If \$C\$ increases then \$X_c = \dfrac{1}{\omega C}\$ decreases,...

Imagine a step response of a series RLC circuit oscillates as an under-damped way: I also came across the following equation: As far as I understand the ωd above is the frequency of the damping ...

I am currently trying to create a band stop filter which attenuates frequencies between 2000Hz and 8000Hz. I have got the transfer function but now I am struggling to find the documentation on how to ...

When i am using Superposition Theorem i am getting 80W but when i using Source transformation getting 0W.Why getting different answers? Is there anything Hidden in source transformation that I need ...

I think I'm suffering from brain-drain. I'm trying to solve a 2nd order differential equation for the natural response of an under-damped parallel RLC circuit with initial conditions of \$I_L\$ and \$...

As the circuit shows, U = 5V toggling the polarity in 10KHz. When IL is changed from less than 1mA to 20mA, the P-P voltage of the Tx coil will increase. How should I understand the phenomenon? I have ...

I have an assignment in my electronics 1 class: http://prntscr.com/jcdz1m My idea was to find a Thevenin equivalent, convert it to Norton then i would get Io and calculate the graph for I1 and I2 for(...

I know how voltage triangle is formed for RL circuit. But I am not understanding how impedance triangle is formed. Is it derived from voltage triangle ? If so, how it is derived from voltage triangle ?...

I am wondering if this little guy will work or if it will fry my router. Router is a UniFi AC Pro requiring 802.3af Gigabit PoE. I don't have one laying around so I came up with this. Its a voltage ...

I am trying to determine the resonance frequency of an RLC resonator with added capacitor, as shown below: simulate this circuit – Schematic created using CircuitLab Two cases are easy to ...

I'm supposed to create a passive bandpass filter to select a reasonably sinusoidal 750 Hz signal from a 250 Hz square wave. Since we have very limited choices for the inductor (0.03 H) and capacitor ...

I want to sum/mix 2 PWM signals in order to reach a better resolution on a DAC (see here or here). I need help to understand the limitations of a simple resistors network to sum my two signals as ...

Note: Using L Networks I am having some confusion with the terminology of impedance matching. Specifically majority of questions i have done state match a load to the source impedance which i ...

If there is a magnetically coupled pair of inductors in an AC circuit, how will it affects the resonance frequency and Q-factor of the circuit? In particular a circuit like this : If initially ...

I'm trying to figure out how to construct a differential equation for the natural response of the following circuit and I am having trouble. The capacitor is initially charged with a voltage \$v_0\$ ...

I have started to learn about LC circuits, in particular in the case where the initial conditions are where the capacitor has previously been charged. I am struggling to understand what would happen ...

Forgive me if this is the wrong forum. This is a problem in my Differential Equations class involving RLC circuits, but we have not gone over the concepts of these circuits in class. I'm given the ...

I'm looking at implementing an LC bandpass filter, where I want upper and lower cut off frequencies to be 1254 Hz and 48 Hz respectively. Based on the pictures I've added - from http://www.radio-...

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