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[k,b1,b2,delta] = stabilityk(s_params)
[k,b1,b2,delta] = stabilityk(s_params) calculates and returns the stability factor k, and the conditions b1, b2, and delta for the 2-port network. The input s_params is a complex 2-by-2-by-m array, representing m 2-port S-parameters. stabilityk calculates the outputs using the following equations:

where
,
,
, and
are vectors of S-parameters, taken
from the input argument s_params.
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Necessary and sufficient conditions for stability are k>1 and |delta|<1.
Gonzalez, Guillermo, Microwave Transistor Amplifiers: Analysis and Design, 2nd edition. Prentice-Hall, 1997, pp. 217–228.
| gammaml |
| gammams |
| stabilitymu |
![]() | snp2smp | stabilitymu | ![]() |

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