GA (j ), GB (j ) and GC (j ) are three transfer function whose phase variations are shown in the given figure. The magnitude variation with respect to frequency is the same for both GA (j ) and GC (j ), but their phase variation is as indicated by the curves labelled A and C in the given figure. The transfer function GB (j ) is such that C (j ) = A (j ) + B (j )GA, GB and GC are respectively

all pass, minimum phase and non-minimum phase functions

minimum phase, all pass and non-minimum phase functions

minimum phase, non-minimum phase and all pass functions

all pass, non-minimum phase and minimum phase functions.

GA (j ), GB (j ) and GC (j ) are three transfer function whose phase v

1.	G_A (j ), G_B (j ) and G_C (j ) are three transfer function whose phase variations are shown in the given figure. The magnitude variation with respect to frequency is the same for both G_A (j ) and G_C (j ), but their phase variation is as indicated by the curves labelled A and C in the given figure. The transfer function G_B (j ) is such that _C (j ) = _A (j ) + _B (j ) G_A, G_B and G_C are respectively
A.	minimum phase, all pass and non-minimum phase functions
B.	minimum phase, non-minimum phase and all pass functions
C.	all pass, minimum phase and non-minimum phase functions
D.	all pass, non-minimum phase and minimum phase functions.
Answer» C. all pass, minimum phase and non-minimum phase functions

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