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I was asked to repair a Phywe laboratory voltage source that exhibited small, periodic oscillations of its output voltage. This unit is a very simple passive supply: an autotransformer feeding a heavy-...
Torquemada Magna's user avatar
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EDIT: My prior question was resolved due to using standard scope probes and not differential probes. It was all about measurement issues. This question is based on the same circuit, but about ...
Steven Covert's user avatar
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After some insight to why 4 half-bridge load cells connected parallelly to one ADC is superior to 4 full-bridge load cells in the same way. I have been informed that the difference in cost of both ...
lernmor's user avatar
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Below two paragraph source from The Art of Electronics third edition at page 33. The circuit in Figure 1.63 is called a center-tapped fullwave rectifier. The output voltage is half what you get if ...
Tom's user avatar
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I'm looking for a way to do dénervation of the Rac (reflected load resistance) of the full bridge LLC converter. See the schematic page 4 and the Rac expression page 5. Sources : Full-Bridge LLC ...
exolune's user avatar
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I am trying to estimate the maximum mechanical output power (horsepower) of a 3-phase full-bridge inverter using the Infineon FS05MR12A6MA1B SiC module. The datasheet is available here. System ...
Hansel's user avatar
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I'm replacing my car's alternator, and tearing the old one apart, as you do. The alternator is wired in a Y configuration with 8 diodes, 2 on the neutral point, and then the standard 2 on each of the ...
CoderTao's user avatar
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I want to output an audio signal from a uC to a piezo buzzer. I first tried the obvious solution with a single transistor in series with the buzzer, but at 3V the sound volume was a bit too low. The ...
Icebug's user avatar
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I assembled and tested the circuit shown in the schematic on a copper board. Without any load, I can achieve the desired output voltage of 400V. However, when I connect a 400W load, the output voltage ...
Nafi Can Ereli's user avatar
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I've been having some trouble getting a pulldown resistor to behave as expected in LTspice. Here are two screenshots of my circuit. This circuit has a full wave bridge rectifier convert AC (USA ...
but_why's user avatar
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I am trying to design a Conventional Full-Bridge DC/DC Boost Converter with the following parameters (I am not sure if you need them); Input voltage: 24 V (DC) Output voltage: 400 V (DC) Output ...
Nafi Can Ereli's user avatar
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I'm trying to simulate an evening lamp using a NE555 timer and a relay. To do so, I'm stepping down the 230V AC household voltage to 16V by an RC circuit as shown. Now, when I take a stand-alone ...
rire's user avatar
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Assume a simple circuit with a 12 V (RMS) AC supply and a 100 ohms load resistor. The power dissipated is P = V^2/R = 1.44 W. Now assume that a full bridge diode rectifier (without filtering) is ...
leheim's user avatar
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I've noticed that while designing DC/DC converters, some sources (at the bottom of the website, comment of Benjamin Lough) suggest a "rule of thumb" duty cycle of 70%, while others (This is ...
Nafi Can Ereli's user avatar
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I intend to use a pair of half-bridge drivers and a logic gate to make a full-bridge driver for controlling my DC motors with 3 standard input pins of Enable, Direction, and Arduino PWM. I looked at a ...
hrsk2002's user avatar
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I am utilizing the A3967 Allegro microstepping driver with translator. The problem is that I'm burning out the driver when the stepper motor is seemingly disconnected. This doesn't happen every time I ...
CADcoder's user avatar
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I made a class-D amplifier with an output transformer, as you can see in the simplified schematic. Gate resistors are actually 10 Ω, not 2.2 Ω. The supply is 24 V, the PWM signal has a frequency of ...
mtx4's user avatar
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I'm trying to create a small-signal model of a PSFB converter in LTSpice. The blocks in red are what I am trying to create, essentially a multiplier block which computes various .PARAM parameters that ...
user353165's user avatar
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I am simulating an H-bridge/class-D amplifier based on four GaN transistors with integrated gate drivers (NV6113 from Navitas). I am driving the gates via PWM signals where the PWM frequency is about ...
Charly's user avatar
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I am trying to calculate the average value of a current in single phase rectifier half wave and in the full wave with RL Load. The thing that I am finding interesting is that in all the tutorials and ...
Badr Eddine's user avatar
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The datasheet for the HIP4081A bridge driver references a limit of 2.5 A "pull up"/"down" current. I thought the maximum load current in a bridge is limited by the FETs themselves, ...
Freeman's user avatar
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I am working on a circuit of an old 90's Terminal Applicator and noticed it has AC power coming in, then stepped down with a transformer, and then going to a pair of full bridge rectifiers. One goes ...
Erik Vincent's user avatar
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I have a circuit here for a full-wave bridge rectifier with a Vdc of 18.773V, and I understand it perfectly. This is my first time encountering this type of problem. When I started using a capacitor, ...
spinachpizza_'s user avatar
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367 views

How is the rectifier still functioning when one of the lines is cut-off?
spinachpizza_'s user avatar
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I was looking at one of the schematics of the filament board of an x-ray machine, where they had used the SG3524N for the generation of PWM and MOSFETs for the generation of an alternating voltage for ...
kam1212's user avatar
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Using multiple transmitter/receiver stations on ground and the doppler shift to measure relative velocity and position of an airborne active receiver/transmitter in low altitude (0-2 km). I want to ...
leikqon's user avatar
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1 vote
1 answer
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I have receiver circuit for a wireless power transfer circuit. I have connected the circuit as shown in the image below. The circuit has a full bridge rectifier (DBS103S-T) which is then followed by a ...
EmeraldMonk's user avatar
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You can see the circuit below. I don't have a lot of experience with AC current sources. Hence the confusion.
lovepreet singh's user avatar
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While using a capacitor with 2.3A rated ripple current as a dc link capacitor in the circuit (as shown in the picture below "Cd") I used, I replaced it with one with 2.8A rated ripple ...
Multicharger's user avatar
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1 vote
1 answer
144 views

I am working with DRV8210DRLR motor driver, mouser says it is a half bridge controller, texas instruments that it is a H-bridge. I require to spin motor and be able to change direction, so I assume I ...
Dominykas's user avatar
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175 views

I am currently working on a receiver circuit for a wireless power transfer system. I made a basic full bridge rectifier with schottky diodes before.I thought of changing the diodes to a FBR IC and ...
EmeraldMonk's user avatar
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5 votes
3 answers
1k views

I have been experimenting with a full-wave bridge rectifier in LTspice. I am trying to step up 120 V AC/60 Hz to 1 kV DC for a load of around 2 kΩ. The step-up transformer has a ratio of 25:9. The ...
DRF's user avatar
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1 answer
861 views

I would like to measure the output signal from a full wave rectifier in a proper way using an oscilloscope. The sine wave comes from the function generator and is 10 Vpp. Both devices are mains ...
Jerzy Przezdziecki's user avatar
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2 votes
1 answer
202 views

I made a full wave circuit in Multisim using a center tap. The result I got confuses me. I am expecting a full wave rectified sinewave but I keep getting a square wave. Also, the voltage in the ...
user avatar
1 vote
1 answer
174 views

I tried to copy the full-bridge rectifier circuit diagram but for some reason it's not working. I think the current is not flowing from the high-voltage circuit device because I tried to hook up a ...
peteblank's user avatar
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1 answer
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I designed my first circuit and tried to make it as good as I could. I would be very pleased if you criticize me on the issues that I am lacking and doing wrong. I made a 2-layer, full bridge brushed ...
Zaido's user avatar
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2 answers
196 views

I opened up a charger that charges a lithium battery. When I opened it up I noticed that the bridge rectifier looked like this: I thought they would use your regular type of diode like this: Can ...
JoeyB's user avatar
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1 vote
2 answers
911 views

I try to design a full bridge DC-DC converter (hard switch) and I have some concerns about it's transformer design. As I know its transformer doesn't store energy and it doesn't have an air-gap? If ...
Das D.'s user avatar
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1 answer
136 views

I'm learning a PS ZVS FB Converter, the circuit is as fellow: The waveform is as fellow. ip is the primary current of transformer. During the time [t2,t3], the circuit works as fellow: The thick ...
T L's user avatar
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1 vote
2 answers
1k views

I have been given the above equation for the average voltage of a fully controlled bridge rectifier. Apparently this is only valid for continuous load current conditions. Why is this the case?
Dhillon's user avatar
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0 answers
93 views

I am trying to design a board to control a 3-phase full wave rectifier with the ability to control the firing angle (alpha) through a potentiometer or a selector, and I was wondering what are the most ...
Shamooooot's user avatar
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1 answer
1k views

According to the textbook Power System Stability and Control by Prabha Kundur, the maximum firing delay of a thyristor is 180° with the following explanation: Why is he considering eb with ea? Doesn’t ...
KMN's user avatar
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2 votes
3 answers
595 views

I am testing a full-wave bridge rectifier built from four diodes. The input is taken from a function generator. The simulated circuit is working (image added). The problem is that the output I got ...
FutureEngineer's user avatar
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1 answer
123 views

How do I modify this circuit into a half-shorted one?
walter's user avatar
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1 vote
0 answers
138 views

I struggle to understand the datasheet for opto-isolators. I am making a 230 Vac circuit with a full-bridge rectifier. What should I look for when choosing an appropriate opto-isolator? I've been ...
Mickolini's user avatar
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3 answers
2k views

I'm trying to simulate a full wave bridge rectifier circuit with the capacitor filter. The alternating voltage supply is 30 V at 50 Hz. The peak value for the voltage across the load is 28.5 V. ...
Anay Chadha's user avatar
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1 vote
0 answers
56 views

Using a 9.4 V power supply and the TLE 2505 H-bridge, I ultimately want to drive a DC motor. Currently I'm debugging using a 12 kΩ resistor in place of the motor on a breadboard and using an Arduino ...
Bob1852's user avatar
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1 vote
0 answers
566 views

I recently ordered some KBPC5010 full bridge rectifiers from Amazon, and I am not getting the behavior I expected. I am most likely missing something here, but am unsure if the Amazon product may be ...
zraxix's user avatar
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1 vote
1 answer
3k views

I am designing a transformer for a phase shifted full bridge converter for voltage up conversion. My main concern is the efficiency, I am trying to reduce transformer loss to less than 5%. The total ...
Ransara Wijitharathna's user avatar
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1 vote
2 answers
152 views

I am currently studying for exam and a lot of questions are popping up in my head. What will Uout of a full wave bridge rectifier with a capacitor look like? I am talking about square, trapezoidal, ...
Dimitar.N's user avatar
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