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Recent content by chitikivenu

  1. C

    [SOLVED] Inductor Design with 50 to 200 hz

    Hai all. I am new to inductor design Please help me to design inductor. Input voltage = 100v input current = 3A inductance L = 613 mH frequency f = 50 to 200hz Please help me to find the correct core, number of turns, core area, window area. thank you all
  2. C

    [SOLVED] TL494 problem for dead time and frequency

    Hai all I am new to TL494 PWM generator. I want following requirements dead time = 2usec frequency = 10Khz Please tell me the Values of RT, CT and explain how to set dead time tanx....
  3. C

    [SOLVED] Designing Transformer

    Hai all.... Please tell me the Core size, core type for following details. I/p voltage = 230v I/p current = 2A VA = 500VA O/P1 voltage = 100v O/p1 current = 5 A O/P2 voltage = 40v O/p2 current = 1.2 A tell me type, size , weight of the transformer?
  4. C

    [ARM] LPC1769 Dead time control problem

    LPC1769 has MCPWM peripheral. so, it will also generate complementary output. The complementary out put will get at GPIO pins.
  5. C

    [ARM] LPC1769 Dead time control problem

    I am not using any drivers, just absorbed wave forms in scope. see the attached image. pwm switching frequency = 10khz dead time = 2usec yellow color = PWM Blue color = Inverted PWM
  6. C

    [ARM] LPC1769 Dead time control problem

    Hai all.. I am using LPC1769 to generate PWM with dead time using MCPWM peripheral. The problem is normal PWM is max duty cycle is 48% , inverted PWM should be max duty cycle 48%. But inverted PWM is getting minimum 52% duty cycle. Dead time is 2usec. Can any one help me?
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