Venky_analog
Junior Member
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Analog Design is my trade. Math is my love.
Posts: 10
TX, USA
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I read somewhere that we can have stability issues in basic CMOS open-loop circuits because of parasitic coupling between the input and output. My questions is why does it happen only in high frequency circuits such as RF/mm-Wave circuits?
Is it because when we design the circuit to have high gain at higher frequencies, because of coupling from output to input there is a positive feedback with loop gain > 1?
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