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I use the cross-coupled structure in my circuit.(Sorry, I don't know how to upload my schematic.)
It is hard to obtain 0.6V swing voltage.The smallest swing is about 0.9V and the best phase noise achieved at 1MHz offset frequency is -97dBc/Hz for 43GHz oscillating frequency. I found that small...
My vco has no tail current source. As we all know, the amplitude can be known and limited, Atank=Ibias*Rp. But in my case, how can I control the swing voltage without the Ibias? Is the Ibias equal to Idrain?
And if the swing voltage is large, the transistors may enter the triode region. But...
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