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A maximum-phase system is the opposite of a minimum phase system. A causal and stable LTI system is a maximum-phase system if its inverse is causal and unstable. That is, 1  The zeros of the discrete-time system are outside the unit circle.
The upper critical solution temperature (UCST) or upper consolute temperature is the critical temperature above which the components of a mixture are miscible in all proportions. solid state example is the palladium-hydrogen system which has a solid solution phase (H 2 in Pd) in equilibrium with a hydride phase (PdH n) below the UCST at 300 Â°C. Above this temperature there is a single solid solution phase.