 ##  [Amplitude Imbalance](/amplitude-imbalance) 

  ##  [Amplitude Imbalance](https://information.quantumdictionary.io/amplitude-imbalance-0) 

  
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**Information &amp; Communication Dictionary**

 
Definition

A differential gain mismatch between parallel signal paths or between the in-phase (I) and quadrature (Q) components that produces unequal amplitudes for nominally orthogonal signal components, altering constellation geometry and amplitude relationships without necessarily changing phase reference.