Questions tagged [rectifier]

These are part of AC to DC conversion. A half-wave rectifier keeps only the positive part of the signal. A full-wave rectifier also keeps the negative part, but flips it to make it positive too.

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What could be burning the schottky diode in this synchronous rectifier?

I have this TV PSU which has one supply circuit for the TV motherboard, which it calls "standby" in the scheme (AO3). Here's a portion of the AO3 circuit where most of the components I'll ...
user2934303's user avatar
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825 views

Will this Arc Lighter Circuit Work?

I am attempting to build a really cool thing (at least I think). The goal is to build an arc lighter that I can shake to charge (kinetic power). It's a circuit that combines an arc lighter circuit ...
Mike Hernandez's user avatar
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Alternate uses for Gate Driver - Driving a Load without External IGBT or FET

What issues would one encounter by using a gate driver IC to directly drive a load instead of using it to drive transistors? For consideration would be the very affordable Infineon 2EDN752x series ...
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What are the differences between Greinacher and Bridge voltage doublers?

I was reading a wiki article on Voltage doublers, and wondered - what are principal diffirences between two following schemes: They all share same amount of components, but when and why should be one ...
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Connect a vibration motor to a headphone jack

I would like to solve the following problem: I have a a variometer-device for an RC plane. Its receiver has a standard 3.5 mm headphone jack that provides a beeping sounds to my headphones. I would ...
Christian H's user avatar
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115 views

Laser detector circuit with ambient light rejection

I recently asked how to best detect dropped balls via laser detection. Someone suggested ambient light rejection by modulating the laser and then filtering the photodetector input for that signal. I ...
Raphael's user avatar
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Triboelectric Nanogenerators Full bridge rectifier design

I am working on energy harvesting from Triboelectric Nanogenerators abr. TENG (mechanical to electrical high impedance converters) and wanted to validate my understanding of the following circuit and ...
Shiro's user avatar
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Calculating the capacitance for a voltage multiplier circuit

Recently, I've been asked to create a voltage multiplier, with an output voltage \$Vo = 5*Vi\$, where \$Vi\$ is the peak input voltage. This was accomplished without much issues through the schematic ...
Pedro Martins de Souza's user avatar
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Resonant frequency of a three phase thyristor rectifier

I am trying to inspect how my circuit behaves at operating points around resonant frequency. Is resonant frequency simple equal to 1/(2Pisqrt(LC)) = 1/(2pisqrt(590uH240uF)) = 423 Hz (see the circuit ...
Miloš Ivanović's user avatar
2 votes
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386 views

Full bridge rectifier forward voltage definition

I am looking for an efficient way to rectify a 3–20V AC voltage (at ≤2A) and am therefore looking at integrated full bridge rectifiers and discrete Schkottky diodes. In a datasheet of a full bridge ...
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Rectifying a spark coil that produces 10 kHz

I am working on a project where I want 10 to 30 kV DC (to energize two capacitors in series rated at 28 kV per capacitor). I bought a couple of 25 kV HV rectifiers (one to generate a positive voltage ...
Steven Mezinis's user avatar
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592 views

IGBT failure and protection

I have a 3-phase bridge rectifier (shown below). I am using an IGBT (STGE200NB60S) to limit the inrush current from the capacitors at start up. I also added the NTC thermisters to help with the inrush ...
MXG123's user avatar
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634 views

Conduction angle in three-phase rectifier

In a standard three-phase bridge rectifier, which consists of 6 diodes, each diode (or thyristor) conducts 120º of the full 360º period. I have built a synchronous rectifier (for research purposes), ...
jurij's user avatar
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1 answer
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Bipolar energy harvesting circuit

I'm planning an energy harvesting circuit using LTC3105 (400mA Step-Up DC/DC Converter with Maximum Power Point Control and 250mV Start-Up). The problem is that my energy source is bipolar, although ...
PSz's user avatar
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Square wave rectified output value calculation

I can understand the ground osc probe but with a hand osc I shouldn´t have that problem, I think. But It went even worst. Maybe it is a doubler¿?
XanDasXuras's user avatar
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Component identification from ATV regulator/rectifier

I'm trying to identify this component from an ATV regulator. It looks like a semi controlled rectifier? I am trying to look up the datasheet.
Geo Pojar's user avatar
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3 answers
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Transistor specs in the capacitance multiplier

I'm working on a constant current power supply and as a first step designed the following rectifier with a filter. I know the bottom rectifier is inactive, but with couple of switches the circuit ...
beardeadclown's user avatar
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Is this a valid way to determine which diodes are on in an op-amp based rectifier?

Consider the circuit above, where we are treating the diodes as ideal. Let's take the case where Vs < 0. Since V- = V+ = 0 for both U8 and U9, that automatically means the current is to the left ...
Adam Herbst's user avatar
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Connecting the GND of an isolated circuit to the positive side of a 450V transformer output

I moved to a new company that makes very big old-style controlled rectifiers. They asked me to make a new modified, and enhanced thyristor-controlled rectifier. The strangest problem I faced is that ...
AlMoutaz Billah's user avatar
1 vote
1 answer
220 views

Derive equation for half-wave rectifier with inductor and DC source load

I am trying to analyze a half-wave rectifier with an inductor and DC source load. I am reading a book on power electronics and the equations the author came up with are shown along with the circuit. I ...
jason06841's user avatar
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198 views

Optimum design of damping LC filter with parallel (R+C). There is a frequency in which value of R dosn't impact

Apologies for the not so clear title, but I don't know if there is a common phrase that describes the point of concern. I am taking an online course about input filter design interfacing the grid and ...
amidher's user avatar
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How does the control of a three-phase PWM rectifier work?

I have been studying the control of three-phase PWM rectifiers i.e. control of the below power electronics circuit: This circuit can be modeled with exploiting of the space vectors in the stationary ...
Steve's user avatar
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Why does this battery boost circuit work?

Our equipment typically runs on 12 VDC as provided by the rectifier at the bottom of the diagram. In a few locations, excessive cable length requires extra voltage. They installed two 1.5 VDC cells in ...
dougdougdoug's user avatar
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61 views

Is the STTH108 diode a suitable alternative for the STTH1L06?

The applied boost rectifier diode in the PFC converter shown below is an STTH1L06, but I used an STTH108, thinking that it has a higher voltage rate. There was no problem in no-load mode, but strong ...
WeTech's user avatar
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Wemos D1 dies in current sensing project

I'm really hoping someone can help me with this project. I've been trying everything I can to get this to work. I have a project that senses current flowing via a current transformer (2000:1 20A max) ...
Neel's user avatar
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1 answer
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Breadboard Layout Validation

I have a breadboard with a bridge rectifier circuit that I am hoping to have someone validate for me. The circuit with breadboard pins is: And a picture of my breadboard is: Thank you!
pbhuter's user avatar
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HV Rectifier output for APD biasing

I am trying to convert low 5V or 12V to -200V using this device. Which converts it using transformer and rectifier at the output: Can I just attach HV OUT to bias APD detectors? Or is there any ...
DD1's user avatar
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What is a field effect rectifier diode

ST offers what they call field-effect rectifier diodes. Does anybody know what that actually is and how they work? Application wise it seems very similar to a Schottky diode (low voltage drop,) but ...
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1 answer
247 views

Diode ratings question

Can I use a 1000 V, 3 A diode instead of a 400 V, 3 A diode? The dead diode is a uf5404, it was in a satellite receiver power supply. The only ones I can find in the market are fr307 and 1n5408. Here'...
DiGiTAL80's user avatar
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332 views

What is the difference between Rectification Efficiency and Transformer Utilization Factor?

As I was studying half-wave rectifiers and why they are less efficient than center-tapped and bridge type full wave rectifiers, I came across these two terms that both try and describe how well the ...
Soumak Nandi's user avatar
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280 views

Snubber on rectifier diode

It is rare to see a snubber circuit added transistor like that. On the secondary side, an NPN transistor is paralleled to a snubber capacitor. How does it work? Is it useful or just little ...
Hida's user avatar
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Electrical energy transformation

I'm working on a DIY solar inverter. The goal is to make the battery connected to it rechargable by both energy from solar panels and AC mains (if there is power supply.) My battery is 24V DC, AC main ...
opeolluwa's user avatar
1 vote
2 answers
83 views

Analogue current and voltage regulation and rectification thereafter

I am a research scholar working on mechanical metallurgy as a part of my engineering study. For my project (a new kind of electroplating,) I need voltage ranging from minimum 0V to maximum 170V DC. We ...
Electro_Boomer's user avatar
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540 views

How to calculate the current through load resistance in the given diagram?

I am here with yet another problem, where I have to find load current, ripple voltage, approx turns ratio? Also, any idea about how can we reduce ripple voltage further? Attempt: This is a step-down ...
Prajakta Bhutkar's user avatar
1 vote
1 answer
75 views

Centre tap transformer unknown rectifier citcuit

I have an older transformer with a rectifier circuit what I managed to backtrace and looks like this: I could not find a lot of details about this online but it seems the transformer can supply ...
hedon's user avatar
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122 views

Could this resistor be intended to do anything other than inrush limit?

Repaired a little board today that had a simple half wave rectifier on it. The capacitor had a resistor (R1) in series, that was obviously getting hot and wasting a lot of power. I assume the resistor ...
Brandon Hill's user avatar
1 vote
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138 views

Discrepancy between simulation and measurement for a voltage doubler/ rectifier design at 5.8 GHz

I am designing a pretty straight-forward voltage doubler at 5.8 GHz with MACOM's MA4E1317 diode, which I have used before and know from previous experience that matches pretty well with the spice ...
user3602697's user avatar
1 vote
0 answers
96 views

Discrepancy between calculated rectified voltage and measured value

I'm experiencing some problems with a simple task. Assuming we have a circuit like this: simulate this circuit – Schematic created using CircuitLab To calculate the rectified voltage I'd use ...
TimSch's user avatar
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31 views

Impedance matching for inductively powering / rectifier

I have two questions. If the receiver is inductively powered (by LC resonator) and needs a matching network in front of the RF-to-DC rectifier, what kind of quality factor of matching network (or Qs ...
Daniel's user avatar
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Three phase rectification algorithm

Let's suppose we have a three phase rectifier like here: https://www.youtube.com/watch?v=V6ZWYFTELQA Now lets suppose we change diodes with transistors. Let's also put current probes on each of the ...
jurij's user avatar
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750 views

Bottle dynamo (bike generator) rectification and stabilization circuit for LED light

A friend of mine would like to convert her bottle dynamo (bike generator) to run a LED light. The light needs to stay on for maybe 90 secs when the bike is stopped, and needs to blink (using a ...
angelatlarge's user avatar
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184 views

How to add a desirable phase shift in the input from 3-phase ac mains?

I want to build a 12 pulse rectifier circuit. I know delta-wye or wye-delta transformers can be used to add phase shifts equal to the multiples of 30, but I don't want to use transformers. Is there ...
Salman Azmat's user avatar
1 vote
0 answers
84 views

Rotation-switched active rectifier idea

Most of you will know how three-phase rectification works and how cool it is. My idea is: replacing the diodes in a three-phase full-wave diode bridge with MOSFETs, as in active rectification, and ...
Boloar's user avatar
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296 views

RFID Rectifier Design Issue

I am designing a RFID rectifier. I am referring a IEEE paper for this purpose. The paper has shown results for both 130nm and 350nm technologies. I have chosen 180nm technology. So, I expected results ...
user1473912's user avatar
1 vote
0 answers
1k views

Power calculation for AC signal at the rectifier input

I am working on the design of rectifier using MOS in Cadence ADE. The AC signal amplitude is 415 mV at a frequency of 865 MHz. The current is 14.5 mA. Now, the dDC voltage is 400 mV and the load ...
user1473912's user avatar
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0 answers
34 views

Troubleshooting Vacuum Roller Motor

I am trying to repair a vacuum so that the carpet roller will work again (motor does not run). I have disassembled the head of the vacuum and found what is probably a fairly simple electronics board ...
IronJaguar2276's user avatar
0 votes
1 answer
140 views

Explanation of the circuit diagram of a PIR sensor activated light

Can someone please explain the operation of this circuit diagram of a PIR sensor led light. The high voltage "ground" connections in the original diagram have been replaced with connections ...
Francis Lapaba's user avatar
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0 answers
26 views

Using BTN8962TA to implement 3 phase synchronous rectifier

I want to use three BTN8962TA (datasheet) to implement a 3 phase synchronous rectifier. The input will be a BLCD motor used as a generator. The current at each phase will be measured with external ...
MarcoM's user avatar
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0 answers
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Simulating a controlled rectifier with CMOS , using Isis Proteus

I am currently in the simulation phase of a controlled rectifier, and I must use CMOS technology. However, I am a novice in this field and would appreciate detailed advice to help me get started. ...
Manar HIMEUR's user avatar
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0 answers
30 views

MAX4053 IC, V+ & V- , suitable dual diode

On the PCB of a multimeter with MAX4053, V+ & V- is from external dual diode, please tell what type of diode it must be. A screenshot from the MAX 4053 datasheet is attached. Need the type of the ...
Khalil Mohammad's user avatar