igbt is unipolar or bipolar?

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IGBT is a bipolar device.
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why igbt is bipolar?

Last Answer : IGBT is a bipolar device because current is carried by both holes and electrons.

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Last Answer : DC coupled drive circuit with unipolar output: The figure shows the circuit and waveforms

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Last Answer : Parameter BJT FET Bipolar/Unipolar It is bipolar device i.e. current in this device is carried by electrons and holes. It is unipolar device i.e. current ... in oscilloscopes, electronic voltmeters and other measuring and testing equipment because of their high input impedance.

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why IGBT is preferred as a power switch over both power BJT and MOSFET?

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is igbt current controlled device ?

Last Answer : No, IGBT is not the current controlled device. IGBT is a voltage controlled device. IGBT have combine qualities of MOSFET and BJT. The high switching speed of MOSFET and low conduction losses of BJT. Also, IGBT which stands for Insulated Gate Bipolar Transistor have high input impedance.

why igbt is used in vfd?

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Last Answer : ON state losses of IGBT is less as compared to MOSFET and BJT.

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Last Answer : The number of terminals present in IGBT is 3

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Last Answer : Yes IGBT is costlier than BJT and MOSFET.

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