electronics_kumar
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ac load line
In operating point analysis,why AC load line is more steeper than DC load line?
In operating point analysis,why AC load line is more steeper than DC load line?
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VVV said:That is because the next stage or the load is generally AC (capacitively) coupled. That means that the DC analysis only takes in consideration the impedance directly connected to the active device.
However, in AC the input impedance of the next stage or of the load appears in parallel with it so the resulting impedance is lower, making for a steeper load line.