Circuit: * Z:\home\maximilian\UppSense\ltspice\transimpedance_amplifier\005transimpedance_ada4530_ac_sweep.asc Direct Newton iteration failed to find .op point. (Use ".option noopiter" to skip.) Starting Gmin stepping Gmin = 10 Gmin = 1.07374 vernier = 0.5 vernier = 0.25 vernier = 0.125 vernier = 0.0625 Gmin = 1.1391 vernier = 0.03125 vernier = 0.015625 vernier = 0.0078125 vernier = 0.00390625 vernier = 0.00195313 Gmin = 1.15127 vernier = 0.00260417 vernier = 0.00130208 Gmin = 1.14734 vernier = 0.00173611 vernier = 0.00231481 vernier = 0.00115741 Gmin = 1.14361 vernier = 0.00154321 Gmin = 1.13976 vernier = 0.00205761 vernier = 0.00102881 vernier = 0.00137174 Gmin = 1.13708 vernier = 0.00182899 vernier = 0.000914493 Gmin = 1.13448 vernier = 0.00121932 vernier = 0.00162576 Gmin = 1.13077 vernier = 0.000812882 vernier = 0.00108384 Gmin = 1.12855 vernier = 0.00144512 Gmin = 1.12489 vernier = 0.00192683 vernier = 0.000963415 vernier = 0.00128455 Gmin = 1.12245 vernier = 0.00171274 vernier = 0.000856369 Gmin = 1.12017 vernier = 0.00114182 vernier = 0.00152243 vernier = 0.000761216 Gmin = 1.11783 vernier = 0.00101495 vernier = 0.00135327 Gmin = 1.11511 vernier = 0.00180436 vernier = 0.000902182 Gmin = 1.11248 vernier = 0.00120291 vernier = 0.00160388 vernier = 0.000801939 Gmin = 1.10997 vernier = 0.00106925 Gmin = 1.10738 vernier = 0.00142567 vernier = 0.00190089 Gmin = 1.10314 vernier = 0.000950445 vernier = 0.000475223 Gmin = 0 Gmin stepping failed Starting source stepping with srcstepmethod=0 Source Step = 3.0303% Source Step = 33.3333% Source Step = 63.6364% Source Step = 93.9394% Source stepping succeeded in finding the operating point. Date: Thu Jul 06 15:34:03 2017 Total elapsed time: 2.000 seconds. tnom = 27 temp = 27 method = trap totiter = 13473 traniter = 0 tranpoints = 0 accept = 0 rejected = 0 matrix size = 254 fillins = 375 solver = Normal Matrix Compiler1: 1626 opcodes Matrix Compiler2: 25.15 KB object code size 3.1/6.1/[2.8]