Symbolic Linear Circuit Analysis Program

Root-locus study 

.symbolic gain laplace
1/V_in*V_out=248.1*A_DC*p_1*p_2*z_1/(6.283*z_1*(s - 6.283*p_1)*(s - 6.283*p_2) - 39.48*A_DC*K_DC*p_1*p_2*(s - 6.283*z_1))

.numeric gain laplace
1/V_in*V_out=9.999/(7.081e-8*s + 2.533e-15*s^2 + 1.0)

.numeric gain pz
The zero-frequency value of GAIN = 9.999 [-].

Poles of GAIN; units HZ

  Real part     Imaginary part     Magnitude          Q
1    -2.225 E 6         -2.248 E 6     3.162 E 6 0.7108
2    -2.225 E 6          2.248 E 6     3.162 E 6 0.7108
No zeros found!
 
.plot gain pz .step A_DC lin 0 100k 200 .range -10M 0 -5M 5M
Plot: slicap-gain-pz-_step-A_DC-lin-0-100k-200-_range--10M-0--5M-5M.png

.plot gain pz .step z_1 lin -10M -2.9M 50 .range -10M 0 -5M 5M
Plot: slicap-gain-pz-_step-z_1-lin--10M--2_9M-50-_range--10M-0--5M-5M.png

.symbolic loopgain laplace
1/V_E_fw*V_l_out=6.283*A_DC*K_DC*p_1*p_2/z_1/(s - 6.283*p_1)/(s - 6.283*p_2)*(s - 6.283*z_1)

.numeric loopgain laplace
1/V_E_fw*V_l_out=-(0.0005488*s + 10000.0)/(0.0001593*s + 2.533e-11*s^2 + 1.0)

.numeric loopgain pz
The zero-frequency value of LOOPGAIN = -1.0e4.

Poles of LOOPGAIN; units HZ

  Real part     Imaginary part     Magnitude     Q
1      -1.0 E 3              0 - -       1.0 E 3 -
2      -1.0 E 6              0 - -       1.0 E 6 -

Zeros of LOOPGAIN; units HZ

  Real part     Imaginary part     Magnitude     Q
1      -2.9 E 6              0 - -       2.9 E 6 -
 
.plot loopgain polar .f 2M 20M .step z_1 lin -5M -2M 4
Plot: slicap-loopgain-polar-_f-2M-20M-_step-z_1-lin--5M--2M-4.png

.plot loopgain db .f 10 10M .step z_1 lin -5M -2M 4
Plot: slicap-loopgain-db-_f-10-10M-_step-z_1-lin--5M--2M-4.png

.plot loopgain phase .f 10 10M .step z_1 lin -5M -2M 4
Plot: slicap-loopgain-phase-_f-10-10M-_step-z_1-lin--5M--2M-4.png


Text output generated by SLiCAP (Symbolic Linear Circuit Analysis Program); a MuPAD application. SLiCAP (c) 2008-2009, Montagne Design \& Consultancy, Delft, The Netherlands. MuPAD Pro 4.0.6. 'The Open Computer Algebra System' (c) 1997-2008, is a product of SciFace Software. Total SLiCAP version 3.1  processing time: 13.5 seconds (limit=600 seconds).