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Which output topology is appreciate? class A or class AB ?

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haoyun

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Hi, anyone can answer to me,

Which output topology is appreciate? class A or class AB ?

RL=10KOhm, f(unit gain frequency)=400MHz

Thanks!

Added after 1 minutes:

Cl=1pF
 

Learner

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Re: Which output topology is appreciate? class A or class AB

Why not use an op amp, since you only want unity gain and your load is not big plus its just a lot simpler to build and test.
 

electronics_kumar

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Re: Which output topology is appreciate? class A or class AB

in effiecient point of view classs AB(>50%) is suitable than class A(=50%)
 

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