Hi,
I am trying to run a simple SPICE simulation for 555 Astable mode (see screenshot) after successfully simulating monostable mode.
However, I keep getting the compliant and the simulation output is below.... Any help will be appreciated !
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Note: Starting dynamic gmin stepping
Trying gmin = 1.0000E-003 Note: One successful gmin step
Trying gmin = 1.0000E-004 Note: One successful gmin step
Trying gmin = 1.0000E-005 Note: One successful gmin step
Trying gmin = 1.0000E-006 Note: One successful gmin step
Trying gmin = 1.0000E-007 Warning: Further gmin increment
Trying gmin = 5.6234E-007 Note: One successful gmin step
Trying gmin = 2.3714E-007 Note: One successful gmin step
Trying gmin = 6.4938E-008 Warning: Further gmin increment
Trying gmin = 1.7154E-007 Warning: Further gmin increment
Trying gmin = 2.1870E-007 Note: One successful gmin step
Trying gmin = 1.9369E-007 Note: One successful gmin step
Trying gmin = 1.6144E-007 Warning: Further gmin increment
Trying gmin = 1.8507E-007 Warning: Further gmin increment
Trying gmin = 1.9150E-007 Note: One successful gmin step
Trying gmin = 1.8826E-007 Warning: Further gmin increment
Trying gmin = 1.9068E-007 Note: One successful gmin step
Trying gmin = 1.8947E-007 Note: One successful gmin step
Trying gmin = 1.8765E-007 Warning: Further gmin increment
Trying gmin = 1.8901E-007 Note: One successful gmin step
Trying gmin = 1.8833E-007 Warning: Further gmin increment
Trying gmin = 1.8884E-007 Note: One successful gmin step
Trying gmin = 1.8859E-007 Note: One successful gmin step
Trying gmin = 1.8820E-007 Warning: Further gmin increment
Trying gmin = 1.8849E-007 Warning: Further gmin increment
Trying gmin = 1.8856E-007 Note: One successful gmin step
Trying gmin = 1.8853E-007 Warning: Further gmin increment
Trying gmin = 1.8855E-007 Note: One successful gmin step
Trying gmin = 1.8854E-007 Warning: Further gmin increment
Trying gmin = 1.8855E-007 Note: One successful gmin step
Trying gmin = 1.8855E-007 Note: One successful gmin step
Trying gmin = 1.8854E-007 Warning: Last gmin step failed
Warning: Dynamic gmin stepping failed
Circuit: * spicenetlist
Doing analysis at TEMP = 0.000000 and TNOM = 27.000000
Transient solution failed -
Last Node Voltages
------------------
Node Last Voltage Previous Iter
---- ------------ -------------
vcc 5 5
n_7 4.51229 4.61206 *
cap 4.13713 4.31365 *
out 3.5302 3.53892 *
x_ic2.25 0.740947 0.901883 *
x_ic2.2 3.41 3.60466 *
x_ic2.3 4.12326 4.30611 *
x_ic2.6 13.9949 1.72489 *
x_ic2.8 5.42865 5 *
x_ic2.9 4.09839 4.27587 *
x_ic2.5 3.41081 3.60525 *
x_ic2.17 2.71438 2.91382 *
x_ic2.4 -10.9516 2.71596 *
n_1 -12.3981 3.50893 *
x_ic2.12 -28.6533 3.36983 *
x_ic2.20 15.214 4.17515 *
x_ic2.10 15.8919 4.86138 *
x_ic2.22 -0.0062251 0.00153366 *
x_ic2.11 -29.0176 2.4253 *
x_ic2.14 -29.4383 2.63261 *
x_ic2.13 -29.3714 2.66312 *
x_ic2.18 -29.8006 2.01787 *
x_ic2.15 -1.28666e-005 -4.05703e-009 *
x_ic2.31 70.2505 4.14056 *
x_ic2.27 -41.0966 0.901852 *
x_ic2.24 70.3512 -813.552 *
x_ic2.29 4.99404 4.97758 *
x_ic2.28 4.3091 4.29553 *
x_ic2.16 -1.28676e-005 -3.58344e-009 *
x_ic2.26 -1.28668e-005 -2.80487e-009 *
v_v1#branch 0.0213521 -0.00506531 *
doAnalyses: Too many iterations without convergence
tran simulation(s) aborted
Error(parse.c--checkvalid): out: no such vector.
Note: No ".plot", ".print", or ".fourier" lines; no simulations run
