kumar.g
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Frankfurt, Germany
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Simulating `input.scs' on voelligbaf at 9:21:24 PM, Wed Jul 6, 2011 (process id: 4643). Command line: \ /cad/cds03/Cadence_Tools/MMSIM711_2010/tools/spectre/bin/32bit/spectre \ -env artist5.1.0 +escchars +log ../psf/spectre.out +inter=mpsc \ +mpssession=spectre3_13629_391 -format sst2 -raw ../psf \ +lqtimeout 900 -maxw 5 -maxn 5 input.scs spectre pid = 4643
Loading /cad/cds03/Cadence_Tools/MMSIM711_2010/tools.lnx86/cmi/lib/5.0/libinfineon_sh.so ... Loading /cad/cds03/Cadence_Tools/MMSIM711_2010/tools.lnx86/cmi/lib/5.0/libphilips_sh.so ... Loading /cad/cds03/Cadence_Tools/MMSIM711_2010/tools.lnx86/cmi/lib/5.0/libsparam_sh.so ... Loading /cad/cds03/Cadence_Tools/MMSIM711_2010/tools.lnx86/cmi/lib/5.0/libstmodels_sh.so ... Auto-loading AHDL component. Finished loading AHDL component in 0 s (elapsed). Installed AHDL simulation interface. Opening directory input.ahdlSimDB/ (775) Opening directory input.ahdlSimDB/1984_umc_90_printed_el_otft_mod3_veriloga_veriloga.va.otft_mod3. ahdlcmi/ (775) Opening directory input.ahdlSimDB/1984_umc_90_printed_el_otft_mod3_veriloga_veriloga.va.otft_mod3. ahdlcmi/Linux2.6.38.3IES+gcc/ (775) Compiling ahdlcmi module library. Finished compilation in 2 s (elapsed). Installed compiled interface for otft_mod3.
Circuit inventory: nodes 7 otft_mod3 8 quantity 9 vsource 3
Time for parsing: CPU = 344.022 ms, elapsed = 1.85556 s. Time accumulated: CPU = 364.022 ms, elapsed = 1.85679 s. Peak virtual memory used = 565 Mbytes.
Entering remote command mode using MPSC service (spectre, ipi, v0.0, spectre3_13629_391, ).
************************************************* Transient Analysis `tran': time = (0 s -> 100 us) ************************************************* Important parameter values: start = 0 s outputstart = 0 s stop = 100 us
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I have some more eqns for the static behaviour. Those r basic MOSFET eqns from any book. I dont think the problem comes from those eqns.
I have attached the schematic with this. The circuit converges when i connect a 900 Megaohm resistor from nett1 to GND
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