Question: Stability of a general two-port amplifier circuit can be determined by the - parameter test...

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Question: Stability of a general two-port amplifier circuit can be determined by the μ- parameter test of the scattering parameters (S₁ S2 S₁2 S₁) of the transistor: 11 22 12 21 1-15₁1² μ = > 1 IS-AS 1+1S₂S₂₁1 22 11 where A is the determinant of the scattering matrix A = S₁,S22 - S12 S 21 11 12 21 12 Show that for unilateral two-port amplifier device, where S₁₂ = 0, the u-parameter test implies that |S| < 1 and IS₂2 < 1 for unconditional stability. - Question: Stability of a general two-port amplifier circuit can be determined by the μ- parameter test of the scattering parameters (S₁ S2 S₁2 S₁) of the transistor: 11 22 12 21 1-15₁1² μ = > 1 IS-AS 1+1S₂S₂₁1 22 11 where A is the determinant of the scattering matrix A = S₁,S22 - S12 S 21 11 12 21 12 Show that for unilateral two-port amplifier device, where S₁₂ = 0, the u-parameter test implies that |S| < 1 and IS₂2 < 1 for unconditional stability. -

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