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EEVblog Electronics Community Forum A Free & Open Forum For Electronics Enthusiasts & Professionals Welcome, Guest. when i saw the original timestep > >error, i set the rise/fall times of the reference clock way too big, i > >suppose. Constraint-Driven Design Make requirements tracking an inherent part of design. I suspect D3 and D4 are backwards.

As an aside, I think 1N4148s would work somewhat better than 1N4001s. If I ground MT1, PSPICE will simulate the circuit. i don't know about Edemout. Topic has 4 replies and 16206 views.

Visit Now Software Downloads Cadence offers various software services for download. The AC sources are connected in series with each other with the 0V connected to the tap.The circuit is correct as it is, although I'd question the series resistance and filter Electronics Forums Forums > Archive > Electronics Newsgroups > CAD > Forums Forums Quick Links Search Forums Recent Posts Project Logs Project Logs Quick Links Search Project Logs Most Active Members Registration is free.

Chris **** 09/16/04 13:13:25 ************** PSpice Lite (Jan 2003) ***************** ** Profile: "SCHEMATIC1-preamp" [ C:\ORCAD\work\preamp\preamp-PSpiceFiles\SCHEMATIC1\preamp.sim ] **** CIRCUIT DESCRIPTION ****************************************************************************** ** Creating circuit file "preamp.cir" ** WARNING: THIS AUTOMATICALLY GENERATED FILE As there are no errors what can be wrong? I have zipped my design and put it up on: http://www.its.caltech.edu/~hiszpans/preamp.zip The model uses an OPA134, created by following the instructions at: http://focus.ti.com/lit/an/sloa070/sloa070.pdf and using the SPICE model provided by TI That is the only ground that works for simulation in Capture.

Register Remember Me? Privacy Policy Terms and Rules Help Popular Sections Electronics Projects Datasheets Resources Connect With Us Log-in Register Contact Us Forum software by XenForo™ ©2010-2015 XenForo Ltd. Apr 14, 2005 7,050 655 mlkcampion said: ↑ Hey Trying to simulate a simple circuit, however Pspice keeps throwing up a convergence problem. Charles R.

Products OrCAD OrCAD Why OrCAD What's New OrCAD Lite Educational Program Design Suites OrCAD PCB Designer Suite OrCAD PSpice Designer Suite Schematic Entry OrCAD Capture OrCAD FPGA System Planner Board Layout not driven by an source. Hi,I am trying to run a simulation on a triac circuit that can switch to either 24VAC or Ground. i don't understand the timestep error, but i guess an output convergence error, with no obvious probs conencted to that output, means i should look at all possible inputs that might

These devices failed to converge: X_U2.dlp X_U3.dln X_U2.fb X_U3.fb X_U3.j1 5 of 7 errors shown. i'll remember that for future ref. > > Could you post your schematic and netlist? > > ...Jim Thompson > ok. Subject: ERROR -- Convergence problem in transient analysis at Time = 482.5E-06 Time step = 447.0E-15, minimum allowable step size = 600.0E-15 These voltages failed to converge: V(SQUARE-WAVE) = 6.857V \ next time, i'll do that from the start. >> >> ...Jim Thompson >> >fixed.

I have read up about the convergence issue and try using some of the suggestions but still have a problem. Make the most simple circuits possible to test it for expected behaviors. Your cache administrator is webmaster. However, this leads to an incorrect representation of the circuit I am trying to simulate.

Copyright ©2016 WTWH Media, LLC. Reply Cancel Asparky 20 Jul 2009 6:20 PM How have you tested and validated he model for the triac? the error changed to: ERROR -- Convergence problem in transient analysis at Time = 1.112E-03 Time step = 6.339E-15, minimum allowable step size = 20.00E- 15 These devices failed to converge: Ron Roff, Dec 23, 2003 #4 hydro New Member Joined: Jan 4, 2003 Messages: 17 Likes: 1 Location: athens,greece Thnx but the the damm circuit still will not work on pspice...I

DOCTAR Helps designers avoid errors by identifying what has changed in your design anytime changes are made. These supply currents failed to converge: I(X_U3.egnd) = -0.0145334 / -0.0143071 I(X_U1.egnd) = 0.0145334 / 0.0143071 I(X_U3.vb) = -4.03935e-006 / -3.76304e-006 I(X_U3.vc) = -0.0103194 / -0.0101437 I(X_U3.ve) = 4.23898e-010 / 4.21974e-010 I don’t know how well that is modeled though. This is about the most oft-asked question, I know, but here it goes again!!

Jim Thompson, Sep 8, 2003 #2 Advertisements Active8 Guest In article <>, [email protected] will-get-you.com says... > On Mon, 08 Sep 2003 05:07:19 GMT, Active8 > <> wrote: > > >hi: > How is it supposed to work? #3 Like Reply Feb 17, 2009 #4 muz82 New Member Feb 17, 2009 1 0 i have the same problem as well...what does it i don't >know what time step has to do with it. > >TIA, >mike "Ground" should be node "0" (zero). "Edemout" is a node name. ...Jim Thompson -- | James E.Thompson, Overview Culture Executive Team Board of Directors Corporate Governance Investor Relations Careers Events Newsroom Login Contact Us Share Search Menu Share Home : Community : Forums : PCB Design : PSPICE

Also, I think you need to leave the diodes in the circuit, but reverse the polarities of D3 and D4. it's on the binaries group, now. Attached Files: trial_3.jpg File size: 46 KB Views: 975 hydro, Dec 23, 2003 #1 hydro New Member Joined: Jan 4, 2003 Messages: 17 Likes: 1 Location: athens,greece here is the netlist It stops your simulation dead in its tracks and requires you to loosen the tolerances in the simulation in order to continue on.    When manually loosening the tolerances, it’s hard

i don't > >know what time step has to do with it. > > > >TIA, > >mike > > "Ground" should be node "0" (zero). TriacCircuitPSPICE.JPG View Hide GoldenEagle 13 Jul 2009 3:41 AM Reply Cancel 4 Replies Andrew Beckett 20 Jul 2009 6:06 AM This question should really be in the PCB Design forum.Regards,Andrew. i figured that, it's part of a chip subcircuit. CD4046.

Stay logged in Welcome to Electronics Point! Advertisements Latest Threads Big DC Motor Speed Control JohannS posted Oct 15, 2016 at 7:10 AM How to calculate motor maximum acceleration with load BlueCerealBox posted Oct 15, 2016 at 7:03 can't reproduce the original error, which changed b4 i fixed the >circuit. > >the error changed to: > >ERROR -- Convergence problem in transient analysis at Time = 1.112E-03 > Time