Circuit: * Z:\home\maximilian\UppSense\ltspice\transimpedance_amplifier\002transimpedance_ad8616_three_res.asc Instance "m:u1:6": Length shorter than recommended for a level 2 MOSFET. Instance "m:u1:5": Length shorter than recommended for a level 2 MOSFET. Instance "m:u1:4": Length shorter than recommended for a level 2 MOSFET. Instance "m:u1:3": Length shorter than recommended for a level 2 MOSFET. Instance "m:u1:2": Length shorter than recommended for a level 2 MOSFET. Instance "m:u1:1": Length shorter than recommended for a level 2 MOSFET. .step rvar=100 Direct Newton iteration failed to find .op point. (Use ".option noopiter" to skip.) Starting Gmin stepping Gmin = 10 Gmin = 1.07374 Gmin = 0.115292 Gmin = 0.0123794 Gmin = 0.00132923 Gmin = 0.000142725 Gmin = 1.5325e-005 Gmin = 1.6455e-006 Gmin = 1.76685e-007 Gmin = 1.89714e-008 Gmin = 2.03704e-009 Gmin = 2.18725e-010 Gmin = 2.34854e-011 Gmin = 2.52173e-012 Gmin = 2.70769e-013 Gmin = 0 Gmin stepping succeeded in finding the operating point. .step rvar=1000 .step rvar=10000 Date: Fri Jun 30 15:38:31 2017 Total elapsed time: 0.289 seconds. tnom = 27 temp = 27 method = trap totiter = 2747 traniter = 0 tranpoints = 0 accept = 0 rejected = 0 matrix size = 53 fillins = 51 solver = Normal Matrix Compiler1: 3.73 KB object code size 1.5/1.1/[0.6] Matrix Compiler2: off [0.9]/1.8/2.0