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Recent content by hozefa

  1. H

    Need help for Designing High Frequency AC switch usingMOSFET

    Yes, You are right its like inverter only. But inverter gives 230v AC at 50/60Hz, where I need 230v AC in KHz for High frequency generation (For Ultrasonic Transducer).
  2. H

    Need help for Designing High Frequency AC switch usingMOSFET

    Hi FvM, It will be in KHz and Voltage: 9-15V, Current: 1-1.5Amp. Basically this is for Ultrasonic Transducer, so needs to generate Frequency for Ultrasonic Transducer (Using AC Voltage). Input and Output will be 230V AC. But at intermediate stage input will stepped down to 9-15vAC and...
  3. H

    AC Switch using MOSFET

    Hi Pranam, This is totally new requirement I have. Using TRIAC, the old requirement was full filled. I have posted the same query as new post also (as a new requirement). In this new requirement I need high frequency switching.
  4. H

    AC Switch using MOSFET

    Hello, I have used TRIAC for AC switch but the requirement is of High Frequency AC Switching, which can be achieved by using MOSFET. So can anyone help me in designing AC switch using MOSFET?
  5. H

    Need help for Designing High Frequency AC switch usingMOSFET

    Hello Guys, I am here again for AC switch only. I have used TRIAC for AC switching but the requirement is High Frequency AC Switching, which can be achieved by using MOSFET. So can anyone help me in designing AC switch using MOSFET?
  6. H

    AC Switch using MOSFET

    Thanks Pranam for Help. Once I built & test this, I will let you know.
  7. H

    AC Switch using MOSFET

    Hi, Here is the schematic, have a look. Please tell if any extra precaution is required in the circuit.
  8. H

    AC Switch using MOSFET

    Thanks Everyone. Hey Pranam, that link was useful. I have got some idea that how to use TRIAC and for some extra protection I can use MOC3041/21. I am planning to use SC141 TRIAC for my application, 6amp. I will upload the schematic soon so you can just check it up if you have time. - Does...
  9. H

    AC Switch using MOSFET

    Thanks Pranam, I have checked that thread, it was useful, and that what I was looking for, SSR (using TRIAC) simple circuit to use in embedded System. But when I have check the price of SSR it was around 20$ each (Single Load), too costly for my application where I need some 16 to 20 SSR...
  10. H

    AC Switch using MOSFET

    Thanks Bruno & pranam for the reply, if you can guide me or give some reference circuit/schematic of how to use TRIAC for this application then it will be really help full for me to get start this project
  11. H

    AC Switch using MOSFET

    Hello, I need some guidance for designing AC switch using MOSFET. This will be controlled from Microcontroller (Switching Application). For example I have 20 bulb as a AC load and at a time only one bulb should be ON, after some time AC voltage (230V AC) will be switched to the next Bulb and it...
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