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stability factor and measured? difference?

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abdoeng

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hi,i design with stability factor>1 but measures one (.9-1) is there is oscillation pls reply
regards
 

Part of your situation is that there are couplings between circuit portions (inductive and capacitive) that are not taken into account in the calculations and CAD simulations.
 

It is not certain that there is oscillation when K<1, but there is a possibility that the amplifier will oscillate under certain load and/or source impedance terminations.
 

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