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  1. #1
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    Transition frequency fT of a transistor - definition

    Is it the frequency at which power gain decreases by 3dB or frequency at which gain drops to unity? Does current gain count here or power gain?

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  2. #2
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    Re: Transition frequency fT of a transistor - definition

    No..
    FT is a the frequency where the short circuit current gain drops down to unity.



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