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Recent content by madhu.b

  1. M

    How to design a Passive low pass filter of L and C values

    How to design passive low pass LC filter ? Please can you help me how to design a Passive low pass filter of L and C values calculation ? Equations ?
  2. M

    Underdamping problem in the electrical system?

    Re: Underdamping problem in electrical system ? The components will get over heat due to under damping ?
  3. M

    Underdamping problem in the electrical system?

    Re: Underdamping problem in electrical system ? Hello KlausST, I want to waste the energy in the AC circuit. So, If I add a LC low pass filter before the component. May I overcome a underdamping problem in the AC circuit ? Otherwise, Can I add a LC filter before the component and adding a...
  4. M

    Underdamping problem in the electrical system?

    Re: Underdamping problem in electrical system ? Hello CataM, We can add inductor instead of resistor.
  5. M

    Underdamping problem in the electrical system?

    Underdamping problem in electrical system ? In the electrical circuits, why and how the under damping problem occurs in the electrical waveforms ? What is the reason behind to have a under damping issue in the electrical waveforms ? How to overcome this problem ?
  6. M

    Cadence Allegro PCB Design Tool

    Hello All, I want to learn Cadence Allegro PCB Design Tool fully. So, I want to a user manual / book to learn scratch to end. Please can you suggest me where can I found. I search in the google but there are lot of materials. So which Material I suppose to follow I am not understanding.
  7. M

    what is Prepreg and Core ?

    Hello Everyone, I would like to know each and every question which I have mentioned below, Prepreg: 1) What is Prepreg ? 2) Why it is using in the multi layer boards ? 3) What is the purpose to use ? 4) In which layer we suppose to use in the multi layer boards ? Core: 1) What is Core ...
  8. M

    How to make the good PCB for High Frequency (MHz) power converters?

    Hello, I am working on DC-DC power converters with High Switching Frequencies (3MHz), In the circuit, 60V input voltage and the current running in the circuit around like 1.5A, I am using center-tapped transformer (4:1). So, Please can you suggest me that, How many layers have to be used in...
  9. M

    Problem with Vds voltage at MOSFET

    Thank you Sunny, But, I have another question... If, I would like to work with the same MOSFET in the converter. What I have to change in the circuit and which values I have to tune. Because the MOSFET specification is matches to my work specification and also other hand the Vds voltage and...
  10. M

    Problem with Vds voltage at MOSFET

    I am working class-E DC-DC converter topology. I have the problem with the drain-source voltage which is not immediately start to rise the Vds voltage after the gate voltage zero. So, what are the values need to tune in order to get the ZVS (zero voltage switching). I can get it at another...
  11. M

    how to Define the transformer Primary & Secondary windings in SIMetrix ?

    how to Define the transformer Primary & Secondary tuns in SIMetrix ? Hello, I am using the center-tapped transformer in SIMetrix simulation tool. The exciting tuns ratio of the transformer are 8:2. The primary tuns I have set to 8 turns according to the ratio. Now, what value I have to give...
  12. M

    How to improve the efficiency of the Class-E DC-DC converter circuit

    Please, can you provide me the formula's for both of them For MOSFET Switching losses: How to calculate the MOSFET Switching Losses, If they are not given the Ton and Toff time in the datasheet? Is they any another formula? Pswi = Vds x Id x Fsw x ((Ton x Toff)/2) For Diode Switching...
  13. M

    How to calculate the Switching losses for MOSFET and Diode?

    I had seen the link which you provided. But, I have one doubt, the formula Voff is need to be consider as a peak voltage or Vrms voltage.
  14. M

    How to calculate Mosfet Switching loss and conduction loss?

    Re: MOSFET Switching Losses Here, Voff is consider as a peak voltage or Vrms?
  15. M

    How to calculate the Switching losses for MOSFET and Diode?

    Hello, For MOSFET Switching losses: How to calculate the MOSFET Switching Losses, If they are not given the Ton and Toff time in the datasheet? Is they any another formula? Pswi = Vds x Id x Fsw x ((Ton x Toff)/2) For Diode Switching losses: How to calculate the Diode Switching Losses...

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