Latest threads in Electronics Computer-Aided Designshow only best voted threads
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Wipedisk Question
Is there a "wipedisk" product that will only wipe "erased" files? I only want to "wipe" old tax data and old medical records from this PC. ...Jim Thompson -- | James E.Thompson, P.E. | mens | | Analog...
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14 years ago
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cad file in ascii
I have developed a binary circuit layout using ultiboard 8 program and how can i generate native cad file in ASCII from the ultiboard program or the Gerbtool program?
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14 years ago
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MicroSim 8 error
MicroSim 8 started returning components missing message when trying to simulate circuits with bilateral switches. Any idea what is causing this?
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14 years ago
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Quite Universal Circuit Simulator
Hello, all, and yesterday I stumbled onto the subject program and am running it on Fedora 11. Some years back I had previously used off-and-on a similar program called ViPEC but that program seems to...
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14 years ago
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Trace inductance... Hobbs??
My layout guy can't answer this, maybe Hobbs?? 800um long by 1.2um wide over field oxide. Resistance is 46.67 Ohms. Total capacitance is 46.24fF. Any guess for total inductance? Thanks! ...Jim...
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14 years ago
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2SK3372 Spice Model ??
Anyone have a 2SK3372 (JFET) Spice Model? Thanks! ...Jim Thompson -- | James E.Thompson, P.E. | mens | | Analog Innovations, Inc. | et | | Analog/Mixed-Signal ASIC's and Discrete Systems | manus | |...
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14 years ago
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VBIC model for 2N3906
I'm fooling aroud with a circuit in LTSpice, and the regular Gummel-Poon model isn't capturing base-emitter breakdown. I've googled around a bit, and the VBIC mdeol does seem to offer this, and LT...
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14 years ago
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Re: ExpressPCB to Gerber file converter?
FWIW, I've been using FreePCB for layouts the past year or so, and find it's pretty well documented and easy to use. It produces Gerbers, and of course you already know that once you have those, you...
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14 years ago
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ExpressPCB to Gerber file converter?
Does anybody have or know where to get a utility to convert from ExpressPCB file format to a standard Gerber file? If not any info on the file format itself?
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14 years ago
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2009 LTspice World Tour(On the Road Again...)
The 2009 LTspice World Tour schedule is officially public today. Thirty-two seminars in ten countries on three continents. More info and registration at Thanks to Nu Horizons for making this possible....
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14 years ago
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Protel 99SE netlist issue
I have a file with three associated schematics schem1.swch, When I create the netlist the third sheet is not included. The netlist also seems to be ignoring some parts on one of the other sheets. The...
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14 years ago
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LTSpice multiwinding transformer
I'm trying to model a six-winding transformer - three sets of centre-tapped coils, one pair with 0.25mH of inductance in each col, the next with 22.5uH and the last with 2.5uH. Coil coupling is set by...
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14 years ago
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LTSpice and OpAmp Oscillation
I've built a discrete transistor OpAmp, and when the input was off, I saw it oscillating. So, I got interested in OpAmp oscillation and compensation. The main criterion is that a Phase shift of 180...
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14 years ago
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PADS footprint for PEX8311
Hi, Does anyone have the PADS part layout for the PLX PEX8311 chip? That's a 377-pin BGA, PCI Express interface chip. Tnx, John
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14 years ago
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Basic objects in Eagle schematic
I am trying to build a basic circuit in eagle and have found components that I was unable to find in other basic software. (such as mosfet, thermistor etc) But I cannot find these basic items in the...
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14 years ago
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