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Synchronous demodulation using balanced mixer IC [closed]

Can I use MC1496 balanced modulator/demodulator IC for synchronous demodulation by using it as multiplier for two sine waves(one signal and one carrier) Asking it because the datasheet mention the ...
dhuwarkesh's user avatar
0 votes
1 answer
49 views

IR2104 not producing PWM signal

I made this simulation circuit by the reference of its datasheet. I want to simulate the input PWM signal from MCU (ESP32) and control on/off of IR2104 by ESP32 too. But the problem is, this circuit ...
tabun's user avatar
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0 votes
2 answers
156 views

How does the second flip-flop in a naive synchronizer "prevent a metastable state from propagating"?

In this very nice answer it's explained that, fundamentally, a two flip-flop synchronizer's basic operation is to prevent the propagation of a metastable state (effectively, an invalid logic level) ...
EE18's user avatar
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0 votes
1 answer
277 views

Trying to design a synchronous sequential counter circuit with a given sequence

I'm trying to design a counter circuit that counts 6 → 4 → 2 → 0 → 2 → 5 → 3 → 1 using T flip flops and I haven't been able to achieve it. I tried the steps below and designed the circuit below in ...
Durchfall's user avatar
1 vote
1 answer
82 views

6 to 0 count down timer

I'm making a 60 second timer. I already made the 1st digit in my previous question. I want it to start at 6 not 0, basically 6,5,4,3,2,1,0. I made the flipflop state table and followed the similar ...
Noobielectrix's user avatar
2 votes
1 answer
815 views

Making a 9-0 synchronous down counter using flip-flops

I've been trying to make a timer that starts from 0 then counts down at 9 to 0. I've been struggling to make it. I made state tables and diagrams and for the flipflops, but when implementing to a ...
Noobielectrix's user avatar
0 votes
1 answer
77 views

Rotor types in Synchronous Reluctance Motor

I am doing research on Syncrhonous Reluctance Motor (SynRM) and the rotor used in it. I am a bit confused in their rotor types. Now according to Google, the rotor types do consists Salient Poles Rotor ...
Muhammad Ahmad's user avatar
0 votes
2 answers
168 views

Synchronous buck converter using gate driver IC

I designed synch. buck converter by using gate driver, MOSFETs, inductor and capacitors. I am currently testing in open-loop configuration and later I will test in closed-loop with microcontroller as ...
Alia Sana's user avatar
1 vote
2 answers
227 views

How accurate is an open-loop synchronous buck converter using gate driver IC?

I've designed a synchronous buck converter using a gate driver IC and two MOSFETs. I have 10 mH and 6.6 uF capacitor at the output as described in the attachment. I am providing 15 V as an input to ...
Alia Sana's user avatar
0 votes
0 answers
22 views

Is the per-unit internal voltage equal to the ratio of field current to no-load field current?

An example problem provides the following information to solve for the field current. The problem is below. A large 60 Hz synchronous generator can be considered to be round rotor, that is, xd = xq = ...
AlienChicken's user avatar
3 votes
1 answer
187 views

Synchronous Sampling of ADC over SPI on STM32 (STM32G474)

I have a design incorporating an ADC with an SPI interface that requires: SPI Transfers of 32-bits to read the conversion results from the previous conversion. To be able to sample the ADC at 1 MSps ...
gordonC's user avatar
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1 vote
1 answer
114 views

Non-synchronous buck ASIC's diode selection makes sense?

While selecting buck converter ASIC for a design I came across various synchronous and non-synchronous buck converter from different manufacturers. Synchronous buck are OK - no problem with SW node ...
divyam's user avatar
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0 votes
0 answers
50 views

Can a buck converter functioning in CCM have non-linear behaviour at light load currents?

I've been designing a Simulink/Simscape model of a TI buck converter launchpad (https://www.ti.com/tool/BOOSTXL-BUCKCONV) and I'm trying to have my model fit the behavior of the device. The board can ...
Reval's user avatar
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0 votes
0 answers
34 views

How can we find Rotor position of 5AMA400 motor?

I am a technical teacher at high school. All of the components we produce are handmade. We've igbt inverter for a three phase our Wound-rotor synchronous motor control project (Renault Fluence ZE ...
Faruk Sözen's user avatar
2 votes
0 answers
118 views

Asymmetrical Half-Bridge Flyback Converters Simulation issue

I am using SIMPLIS to construct an Asymmetrical Half-Bridge Flyback Converter. Additionally, I am attempting to implement Synchronous Rectification on the secondary side. Please refer to the schematic ...
Jitter456's user avatar
  • 575
2 votes
1 answer
112 views

Multiphase buck converter current waveforms

I am a student of electrical and computer engineering and am currently working on a project that involves the study of a multiphase buck converter or synchronous buck converter. In simulating the ...
José Alves's user avatar
0 votes
0 answers
135 views

LLC SMPS Problem

I faced with a problem in a LLC SMPS which I designed, The mentioned PS is a 200 W/6.3 VDC, Input is 85-240 VAC (including PFC), For the output rectifying, I used 4 MOSFETs (IRL8113) as active ...
Ehsan's user avatar
  • 1
5 votes
2 answers
320 views

Are electrical clocks influenced by vibration?

There are many different electrical clocks for generating pulses with constant frequency (e.g. RC oscillators, crystals, OCXOs, MEMS oscillators, chip-scale atomic clocks). If they are mounted on a ...
Alejandro's user avatar
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1 vote
3 answers
193 views

How synchronous can a number of electrical clocks in separate devices remain? [closed]

Imagine we have 5 circuits/devices and in each we have an electrical clock that generates a pulse (for example with a constant frequency of 100 Hz or 1 kHz). In the beginning we have wired all the ...
Alejandro's user avatar
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1 vote
0 answers
67 views

What are overhang conductors?

I am asking this in the context of synchronous generators. From the textbook "The Performance and Design of Alternating Current Machines", page 421, under the heading "3.Synchronous ...
Awe Kumar Jha's user avatar
0 votes
1 answer
108 views

How do I delay 2 counters that are using the same clock signal?

So we have this mod-16 counter with certain inputs and outputs: We are with 2 sets of this counter supposed to realize a Mod-10 counter and Mod-2 counter. I think I know how to do that. The RCO (...
contrapunctus's user avatar
0 votes
1 answer
2k views

Designing a Mod-6 synchronous counter with specific behaviors?

So a Mod-6 synchronous counter can be designed by using 3 D-flip-flops connecting the output of the previous one to the next and having the complement of the last one as the first ones input. However, ...
contrapunctus's user avatar
0 votes
3 answers
58 views

Do computer/datacenter power supplies utilize regeneration (like in motor control)?

In a PC power supply I have, it implements a synchronous buck converter that uses two active switches without a diode. I found a picture of the schematic online, whose link is below: https://e2e.ti....
FlakR's user avatar
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0 answers
234 views

Synchronous buck - "Inverse" current in the lower switch

I am referring to the typical synchronous buck architecture: simulate this circuit – Schematic created using CircuitLab The cycle starts with M1 conducting and inductor current increasing (I_L &...
Alessio Caligiuri's user avatar
4 votes
2 answers
333 views

Synchronous rectification problems

I am currently designing a LLC resonant converter and am trying to perform synchronous rectification but am running into some issues with it. This is my design and note I am currently using the ...
Benjamin Collier's user avatar
1 vote
0 answers
36 views

Synchronous generator

While calculating this professor first said 200MVA and 25KVA are 1pu because they are rated values. Then he easily find the E filed by Efiled = Vterminal + Armature Current*total impedance(synchronous ...
Cinar Reis's user avatar
0 votes
0 answers
104 views

How to design, build and test synchronous sequential circuits using T-Flip Flops?

I want to Use T flip-flops to design the circuit specified by the state diagram of following figure. Zi represents the output of the circuit. This is my school project. I did everything. But I cannot ...
Dantes's user avatar
  • 1
0 votes
1 answer
67 views

How to get a static generator starting from a synchronous one?

I want to model a static generator (a photovoltaic one) inside a simulation tool. This simulation tool has no static generator (it is quite new and not user friendly). My idea was to model a ...
Samuele Benito Di Gioia's user avatar
0 votes
1 answer
86 views

synchronous buck simulation

I got confusing result from hspice simulation but I can't get it. the voltage at "N1"should be 4V when W1 on,and be 0 when W0 on. but result is always 0 and pulse of negative voltage. below ...
hehe's user avatar
  • 25
2 votes
1 answer
224 views

Intel FPGA: Source-synchronous input using PHY Lite

I have been trying for several months to get hold of information about how to use an Intel PHY Lite IP (for Arria 10 or Cyclone 10 GX) to implement a source-synchronous input interface: Last December,...
Harry's user avatar
  • 280
0 votes
2 answers
286 views

Is the generator inside thermal power plants a synchronous type or asynchronous one? [closed]

Are thermal power plants connected to the electric power grid based on synchronous generation or asynchronous one? If a mix, which is the main one?
Samuele Benito Di Gioia's user avatar
0 votes
4 answers
908 views

How are "async/sync" and "serial/parallel" communications related?

I think "async/sync" and "serial/parallel" are orthogonal concepts. There can be 4 combinations of communication types: async serial sync serial async parallel sync parallel From ...
smwikipedia's user avatar
  • 1,192
2 votes
1 answer
579 views

Calculate the active and reactive power of the connected load after field increase in synchronous generator

A 3-phase synchronous generator connected in Y configuration has the following given parameters \$V_L=38kV, R_a=0.3\Omega,X_s=2\Omega, S=360MVA, cos{\phi}=0.83\$ Where the parameters correspond to ...
Ανδρέας Παπαευριπιδης's user avatar
0 votes
1 answer
103 views

What happens to the permanent magnet flux of this synchronous motor?

Considering a synchronous motor with permanent magnets (1 pair) If there is a synchronous motor with permanent magnets and I was given the initial permanent magnet flux Y_mp = e0(at 15 rps) / w (at 15 ...
Nytro's user avatar
  • 29
0 votes
0 answers
117 views

Internal EMF of a Synchronous Generator Relationship with Load side line Voltage

Say you have a 6-pole, star-connected, 60 Hz, 25 MVA rated, 600 V synchronous generator. After conducting open and short circuit tests you get the equivalent circuit with Xs = 600/(root(3)*14000) (...
Sputn1k's user avatar
  • 39
0 votes
0 answers
141 views

Standard equation for delivered power from synchronous generator wrong for fractional kW machines?

When synchronous machines get to a certain size (in the \$MW\hspace{-0.8mm}s\$) the armature resistance is a lot smaller than the synchronous reactance, \$R_A << X_s\$, because of this \$R_A\$ ...
JMy's user avatar
  • 1
0 votes
0 answers
120 views

What value of capacitor should I use with this MP2307 buck regulator?

I am designing a buck regulator using the MP2307 synchronous step-down converter chip, but I've encountered a problem. The datasheet offers this example schematic, for a 3.3V output: I understand ...
Sod Almighty's user avatar
  • 1,465
0 votes
1 answer
62 views

Can I margin a synchronous Buck regulator to output all the way from 0V to VIN?

When using a synchronous buck regulator without bootstrap supply for its top MOSFET, it should be possible to margin the output voltage all the way from 0V to VIN by feeding an additional CTRL voltage ...
tobalt's user avatar
  • 22.5k
0 votes
0 answers
86 views

Standart Retiming circuit with two D type Flip Flops

I am trying to build a button(for adjusting the clock) syncroniser circuit for a seven segment clock. The button signals are of course async inputs so there needs to be retiming to make sure it goes ...
Aiwa's user avatar
  • 1
0 votes
0 answers
66 views

Is it viable to short pitch different windings by different degrees of short pitching in the same synchronous generator?

In the design of a synchronous generator one can chose to eliminate or reduce harmonics at the expense of emf. The pitch factor \$K_p = \cos(\alpha/2)\$, which is always less than or equal to 1, ...
JMy's user avatar
  • 1
0 votes
1 answer
1k views

Synchronous generator governor

The way I understand the governor of a synchronous generator is as follows: As loads change on the system, the frequency will change. The governor's purpose is to maintain an approximately constant ...
OMAR's user avatar
  • 883
0 votes
0 answers
190 views

Effects of decreasing the field voltage of a synchronous machine

I am running a simulation of a synchronous machine in matlab and I have some behaviour I cant quite grasp my head around. The machine is running as a motor with only about 20% of its maximum load, ...
Dalisson Figueiredo's user avatar
0 votes
1 answer
46 views

Why does the armature voltage of a synchronous machine (generator) decreases with a increase of active power

I am running a simulated synchronous machine in matlab and strugling to understand its behaviour. The machine is running as a generator, keeping everything else at nominal value if I increase the load ...
Dalisson Figueiredo's user avatar
0 votes
1 answer
191 views

Synchronous generator to improve the power factor

I read that a synchronous generator can be used to improve the power factor by operating it in an underexcited condition. If not enough excitation is used, the generator will actually draw reactive ...
OMAR's user avatar
  • 883
0 votes
2 answers
3k views

Number of poles used for calculating synchronous speed

I am a bit confused in the formula used to determine the synchronous speed \$N_S\$. Following is the formula used to determine the speed: \$N_S = \frac{120f}{p}\$ Now for a 6 pole motor there are some ...
Muhammad Ahmad's user avatar
0 votes
1 answer
189 views

Design help clocked synchronous state machine

This is the problem that I must solve with my own numbers 00000010 in my case. Here is where I am at Input Code Based on my design, my z state should never go high unless my y state gives 2 lows ...
Desired's user avatar
  • 11
3 votes
0 answers
118 views

Need help identifying weird serial protocol

I am trying to decode an embedded serial protocol. The device is a wired remote control for a crane. The controls are obsolete. I'm trying to design a new replacement one. There are a few buttons and ...
mbeau's user avatar
  • 31
1 vote
0 answers
143 views

Output phase voltage of wye-connected synchronous generator

The question: The answer: However, theta is the angle difference between the terminal phase voltage and the line current as shown in Figure 20 below So, I think the answer would be 512/12 - 47/-34....
OMAR's user avatar
  • 883
0 votes
0 answers
121 views

Difference between unbalance load connected to grid vs isolated generator

Given two cases as following- CASE 1 An isolated 3-phase synchronous generator in star connected to a star-star 3-phase transformer and then secondary of transformer is connected to a highly unbalance ...
user215805's user avatar
  • 1,184
-1 votes
2 answers
323 views

Synchronous DC-DC buck converter I saw online

I constructed this synchronous buck converter circuit I found online and I wanted to know how reliable it actually is: ( I used a battery source for the VCC+ pin on the op-amp because the 12 V line ...
A.H.Z's user avatar
  • 633

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