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# Questions tagged [phase-shift]

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17 views

### How to find phase shift(angle) between two signals in simulink?

So I'm doing a delta wye transformer in simulink and phase shift between these two signals should be 30 degrees, but how to show that, or calculate it? And how to find angle of each signal?
85 views

### Simple phase shift circuit

I’d like to be able to phase shift a raw guitar signal with a potentiometer between 0 degrees and 360 degrees. The signal is roughly 1V peak to peak and has a fundamental frequency range between 80Hz ...
21 views

### Convert AC to DC using Phase Shift Oscillator

from what I know, we can convert DC to AC by using Phase Shift Oscillators. I'm able to pull off the manual calculations, but as for simulation on Multisim 14.2, I didn't get the desired graph(phase ...
39 views

### Phase Lead and phase Lag

I find the concept of phase lag and and lead quite confusing. Suppose we have two voltages $V(\theta) = V_{max} \cdot \sin(\theta + 30^o)$ and $V(\theta) = V_{max} \cdot \sin(\theta + 60^o)$ ...
51 views

### Phase angle between two sinsoidal currents

I am having trouble solving an example in the book I came up with another solution, anyway the question asked to find the phase angle between two give currents- see attached image what I did I ...
56 views

### Why do phase-shift oscillators appear to use high pass filters rather than low pass?

I noticed that a lot of designs of phase-shift oscillators use a sequence of high-pass filters to get the phase-shift. Is there any reason why one couldn't use three low pass filters instead? I ...
57 views

### Phase Shift Oscillator | Theoretical Frequency Mismatch

I am working with a few colleagues to build a transceiver system 100% from scratch. A necessary component here is the local oscillator system - we have opted to use a phase shift oscillator to ...
52 views

### Circuit to identify phase difference between capacitor voltages of two different RLC circuits without loading it

I am looking for a circuit that can translate phase difference of two sinusoidal signals (operating at ~1MHz) to analog voltage swing of 0 - 5V. The signal A & B comes from the capacitors of two ...
46 views

### measuring ac voltage drop across a resistor with a solenoid in series with it

I wanted to measure the phase difference between the current (magnetic field due to the solenoid) and the system response. I am doing this by measuring the voltage drop across the resistor in series ...
28 views

### Surge protector outlet with altered grounding potential

I realized that I have a voltage difference of 5 to 80 V AC (orange in Fig. 1) between the protective conductors (grounding cables, "PE-Leiter", yellow-green contacts in drawing) before vs. after a ...
45 views

### Inductor Voltage and Current Phase Delay on a DC Converter

We learn that inductors introduce phase delay between voltage and current for AC. On a DC-DC converter, such as boost, we have, at the inductor, a DC component superimposed with AC component with many ...
90 views

### How to get phase shift in this task and in general?

So the task says: In the serial circuit connected to the 50 Hz frequency alternating voltage, effective voltage values 𝑈 = 220 V, known voltages 𝑈L = 660 V and 𝑈C = 500 V. The current in ...
47 views

### Understanding Phase Shift Full Bridge DC-DC Converter

I am studying PSFB DC DC converter. I am a bit confused in understanding the topology. For reference of the functionality I am taking UCC28950 Controller IC's circuit, From TI which have provided in ...
16 views

### Modeling phase delay in high frequency resonantly coupled inductors

I am interested in simulating resonant wireless power transfer circuits similar to the ones developed by MIT and others. So far, I have been able to successfully create a basic simulation model of a ...
190 views

### Vector Voltmeters vs Oscilloscopes?

I have come across some electronic engineering papers from the mid 1970's where they were testing tunable phase shifters. To measure the phase shift they used a vector voltmeter. As this is not a bit ...
40 views

### BEMF and zero crossing point detection

I am trying to control a BLDC motor without sensors using BEMF method and zero crossing detection. I managed to detect the zero crossing point but I am not sure if it is correct. I read that the hall ...
36 views

### Can AC voltage phase change across an SSR?

I got an SSR (Picker PCS15-D-240A-25ZL) to control a single phase 240VAC North American circuit going to a heating element on a homebrew setup. One of the load wires goes through the SSR and the other ...
46 views

### Handling Phase Shift with ANC

I've been working on a circuit to do active noise cancellation, but I'm worried about controlling the phase. Here are my assumptions, and I'd love some help understanding 1)what of my assumptions are ...
111 views

2k views

### 90 Degree Phase shift at few MHz

I have a seemingly simple question but I've been doing a lot of searching and can't find an answer. What is a simple or standard way to achieve a 90 degree phase shift of an RF signal in the ...
97 views

### Help with identifying a transfer function - with neuroscience application

This is a question for you electrical network engineers. The problem has arisen in a neuroscience study I am working on, but I hope to be able to glean some insight from other domains that deal with ...
919 views

### Phase shift in an LCR circuit

In a capacitive circuit the voltage lags current by 90 degrees. In an inductive circuit voltage leads current by 90 degrees. In a resistive circuit voltage and current are in phase. If we have a ...
155 views

### Simplest phase-shifted gate drive for two mosfets

I have two inverters, driven by two IRF530 mosfets. I need to drive them with a specific phase shift. What is the simplest, most basic way to do it, for simple prototyping? (I am neglecting PWM ...
526 views

### Transfer function of phase change controlled with capacitance

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}}...