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Type: Posts; User: MD_SHAHRUKH

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  1. Replies
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    Closed: Steady state power system design

    Hello everyone.
    I have designed two power supply circuit, which is below.
    158437
    158438
    these two power supply is generated using 12V.

    I need to know the time to reach the steady-state...
  2. [SOLVED]Closed: Re: PID implementation for IGBT half bridge configuration

    Thank you FvM, I found the solution using MATLAB itself, it has the feature to linearise the model and give the transfer function. I got the open-loop transfer function and taking further analysis...
  3. [SOLVED]Closed: Re: PID implementation for IGBT half bridge configuration

    Is there any other way to design a controller for this problem, as I know there is a way with having a transfer function and do the analysis using the Matlab tool to observe various types of linear...
  4. [SOLVED]Closed: Re: PID implementation for IGBT half bridge configuration

    Hello FvM, thank you for the reply.

    It is a DC welder.

    157625
    I will use this circuit to drive a transformer. The transformer rating will be 14:5. The voltage to the IGBTs will be 310V DC. ...
  5. Closed: Re: SMPS based power supply for Raspberry PI 3 Model B

    157622

    You can do this connection and make a further connection by using a standard mobile charging cable. I do not think your load requires that much current, you are using Display and RPI which...
  6. Closed: Re: SMPS based power supply for Raspberry PI 3 Model B

    If the power supply is separate for the Display. then there will be no issue, the raspberry will not supply through the HDMI. If not connected separately, I will recommend you to connect it using a...
  7. Closed: Re: SMPS based power supply for Raspberry PI 3 Model B

    I am confused about the display connection. What is the display which is been used here? Is it connected with the HDMI? And as far as I know, the Rpi-3 model-B uses a micro USB connection for input...
  8. [SOLVED]Closed: Re: PID implementation for IGBT half bridge configuration

    I guess it is a resistive load, as when the air resistance breaks, it is only the base metal that is conducting (considering a TIG/GTAW welding technology). If I consider inductance than it will be...
  9. [SOLVED]Closed: Re: PID implementation for IGBT half bridge configuration

    Thank you for suggesting this approach. I will study the application notes.



    I am designing a welding machine. I do not know the exact load. Taking it as a resistive load with low resistance.?
  10. [SOLVED]Closed: PID implementation for IGBT half bridge configuration

    Hello everyone,

    I want to design a PID controller for a closed-loop control system. Here I have IGBTs in Half-bridge configuration, I am sensing current output from a hall effect sensor, and...
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    [SOLVED]Closed: Re: ATA6561 getting shorted frequently

    I have provided the ground Plane, Eagle pcb tool appeared it that way.
    Here is the complete layout.
    157172
  12. Replies
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    [SOLVED]Closed: Re: ATA6561 getting shorted frequently

    157171
    This is my PCB layout. And The IC was getting hot, from that, and while checking voltage across the multimeter it doesn't show any voltage and after removing the supply I found the 3.3V pin...
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    [SOLVED]Closed: ATA6561 getting shorted frequently

    Hello and greeting everyone and Happy new year.

    I have designed a circuit of CAN communication using a MCP2518FD CAN controller and ATA6561 CAN transreciever. I am using a buck converter to give...
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    Closed: CAN-CAN-RS232 Gateway/ Converter

    Hello everyone,
    I am from Nishtula Instrument and innovation Pvt Ltd, Bhubaneswar, India.

    We are going to launch a CAN to CAN to RS232 gateway/converter. This Converter is suitable for
    1....
  15. [SOLVED]Closed: Re: Regarding UC3844 IC used for PWM switching

    Thank you for your reply.
    Here is the extended schematic.

    156669


    I can relate to this explanation. How to control the output current from the TR1 transformer.
    Please correct me here, I am...
  16. [SOLVED]Closed: Regarding UC3844 IC used for PWM switching

    Hello everyone,
    My question is related to the circuit below.
    156662
    This is a reference image for the problem which I am facing here. I wanted to know the behaviour of the UC3844 IC in the...
  17. [SOLVED]Closed: Re: Recomended grounding methods of Analog ground and ground plane

    Yes, I have read the document. I am not a professional PCB designer. Its my first PCB. The third bullet point of page 26 says all of this. In eagle I am doing autoroute and then creating a copper...
  18. [SOLVED]Closed: Recomended grounding methods of Analog ground and ground plane

    Hello everyone,
    I am preparing a two layer PCB where I need to put a circuit producing negative voltage for Op-amp. The recommended design of the IC (ADP5070) which I am using strictly says to...
  19. [SOLVED]Closed: Re: Problem while doing CAN communication with different transreciever

    I am sorry for the late post. The problem is solved. It was because of the bit timing. I was unable to go with the Oscilloscope because I was unable to use it properly. So, I have re searched over...
  20. [SOLVED]Closed: Re: Problem while doing CAN communication with different transreciever

    Ok. I will post the result soon after doing so with the scope.

    Thank you.
  21. [SOLVED]Closed: Problem while doing CAN communication with different transreciever

    Hello everyone,
    I am trying to establish CAN communication in between a MCP2515 standalone can controller and Internal CAN controller of TMS320F28069 microcontroller. The MCP2515 is attached with...
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    [SOLVED]Closed: Re: Exact resistance output?

    I have ordered all the resistors and an analog MUX (MAX4781). This analog multiplexer is having a very low ON resistance of 0.7 ohm. I will tell you whether it works perfectly or not, It will take...
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    [SOLVED]Closed: Re: Exact resistance output?

    Thank you so much for your reply. I do not know where this will be used, but I was also thinking the same way.
    okay, then I have to select exact value resistance and 8:1 MUX to complete this job. ...
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    [SOLVED]Closed: Exact resistance output?

    Hello everyone,
    I am facing a problem on creating some resistance. I want to create 100 ohm, 150 ohm, 220 ohm, 470 ohm, 680 ohm and 1.5 kohm using a digital potentiometer. The value will change with...
  25. [SOLVED]Closed: Re: Problem in designing proper voltage shifter

    Thank you for your reply.

    The scenario is I have an input voltage signal which is varying from 0V to 12V DC, I want to give the signal to a builtIn ADC of a microcontroller development board, but...
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