Circuit: * C:\cygwin\home\Vince\LTSpice\G824A.asc Error on line 703 : q:sc1:1 sc1:npn 0«:c» n008«:g» sc1:hidden 2n4036 Unable to find definition of model "2n4036" Error on line 704 : q:sc1:2 sc1:pnp n007«:a» sc1:hidden n008«:g» bsy34 Unable to find definition of model "bsy34" WARNING: Less than two connections to node OPEN. This node is used by R3. WARNING: Less than two connections to node SC1:NPN. This node is used by Q:SC1:1. WARNING: Less than two connections to node SC1:PNP. This node is used by Q:SC1:2. 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 vernier = 0.5 Gmin = 0.000305909 vernier = 0.666667 vernier = 0.888888 Gmin = 6.41661e-005 vernier = 1 Gmin = 7.53781e-006 Gmin = 8.09366e-007 Gmin = 8.6905e-008 Gmin = 9.33136e-009 Gmin = 1.00195e-009 Gmin = 1.07583e-010 Gmin = 1.15517e-011 Gmin = 1.24035e-012 Gmin = 1.33182e-013 Gmin = 0 Gmin stepping succeeded in finding the operating point. Date: Mon Jun 05 02:49:22 2017 Total elapsed time: 53.072 seconds. tnom = 27 temp = 27 method = modified trap totiter = 3769393 traniter = 3768761 tranpoints = 851005 accept = 588507 rejected = 262498 matrix size = 32 fillins = 49 solver = Normal Matrix Compiler1: 4.60 KB object code size 2.5/1.2/[0.4] Matrix Compiler2: 3.70 KB object code size 0.8/0.9/[0.7]