Table 2: Eigenvalues with nonlinear feedback.

Capacitive region 𝑖 𝑅 = 1 Inductive region 𝑖 𝑅 = 1

−834.58−1173.2
8 1 . 8 1 9 ± 𝑗 1 4 2 9 . 8 1 0 2 . 7 3 ± 𝑗 1 4 0 0 . 7
−10 7 . 3 7 6 6 ± 𝑗 4 . 3 4 9 1
−9.9137