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EMTTOOL >> EMTTOOL > sparam

sparam

stability parameters of two-port

Calling Sequence

[K,mu,D,B1,B2,C1,C2,D1,D2] = sparam(S)

Parameters

S

2x2 scattering matrix of two-port

K,mu,B1,B2

stability parameters

D

abs(det(S))

C1,C2,D1,D2

related parameters

Description

sparam(S) computes stability parameters of two-port. necessary and sufficient conditions for stability:mu > 1, or K > 1 and B1 > 0, or K > 1 and B2 > 0, or K > 1 and |D| less than 1, D = det(S), or K > 1 and |S12*S21| less than 1-|S11|^2, or K > 1 and |S12*S21| less than 1-|S22|^2.

Examples

add sample pgm

See Also

Author

sector EMTTOOL sph2cart