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Transition Frequency (Read 1421 times)

Fred New Member Offline Posts: 6	Transition Frequency Feb 17^th, 2004, 1:33am Hi, What's the difference between Transition Frequency(ft) and unity gain frequency? thanks,
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jeffyan Community Member Offline Posts: 47	Re: Transition Frequency Reply #1 - Feb 17^th, 2004, 6:35am I guess whether Transition Frequency(ft) is equal to f(-3db) !
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Fred New Member Offline Posts: 6	Re: Transition Frequency Reply #2 - Feb 17^th, 2004, 10:09pm f(-3db) is the dominant pole frequency, it's not the ft or unity gain frequency, anybody else has any feedback thanks,
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Humungus New Member Offline Posts: 4	Re: Transition Frequency Reply #3 - Feb 18^th, 2004, 1:01am transition frequency and unity gain frequency are exactly the same.
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Mighty Mouse Community Member Offline Here I come to save the day! Posts: 75 Fantasyland	Re: Transition Frequency Reply #4 - Feb 18^th, 2004, 8:50am f_T is defined as the frequency at which the current gain of the device drops to unity. - MM -
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yeow Guest	Re: Transition Frequency Reply #5 - Feb 21^st, 2004, 2:32pm We generally use unity gain bandwidth for one stage ot two stages op-amp. Therefore unity gain frequency is a general term. ft is more for bipolar transistor, it is measured or calculated using a common-emitter circuit
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