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You are here: Home / Topics / Impulse signal 1,2-50u circuit

Impulse signal 1,2-50u circuit

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Projects › Projects › Impulse signal 1,2-50u circuit

  • This topic has 3 replies, 3 voices, and was last updated 3 years, 8 months ago by MEGHA MEHARWADE.
Viewing 4 posts - 1 through 4 (of 4 total)
  • Author
    Posts
  • November 27, 2018 at 11:00 pm #4977
    veera
    Participant

    hi! folks

    can anyone tell how can i build a modified sine wave inverter using BJT's as timer switch?

     

    take a look at the pic, please!

    Thanx!

    November 28, 2018 at 12:21 pm #14930
    Amerdas D K
    Participant

    Why you want to use BJT as switch in your inverter circuit. The switching mechanism of inverter must have low response time. That is why most inverter circuits use MOSFET for switching. The following post on EG has full design for Modified Sine Wave Inverter with MOSFETs – engineersgarage.com/contribution/completing-modified-sine-wave-inverter-design-full-bridge-circuit-and-step-transformer-part. If any way, you want to make that with BJT, search for H-Bridge BJT and have a try on couple of H-Bridge BJT driver circuits. 

    November 28, 2018 at 2:06 pm #14931
    veera
    Participant

    Thanks a lot James. You are quite right MOSFET has faster respond. But as you suggest i will try both. 

     

    Thanx a lot again!

    November 29, 2018 at 10:06 am #14932
    MEGHA MEHARWADE
    Participant

    try connecting NPN transistor as switch in H-Bridge circuit

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