Latest threads in Electronics Computer-Aided Designshow only best voted threads
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MC4024 Subcircuit
By popular request I finally rolled a subcircuit for my mid '60's MC4024 voltage-controlled multivibrator... ****************************************************************** .SUBCKT MC4024 VCX CX1...
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12 years ago
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Subject: ANN: PCB Synergy 1.0.0.9 Beta and new Website
I am just releasing Version 1.0.0.9 Beta Release Added feeder swapping. minor fix in Mydata TP Sys 2.7 Added more Juki 2000 and 700 series and Yamaha YP/YG machines, more Panasonic machines. Updated...
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12 years ago
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CAD printer question
I ask here because some of you probably have large format printers for CAD. I have a new HP 7000 inkjet 11x17 inch printer, and it's noisy as hell during and for some time after printing. I want to...
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12 years ago
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OT: JB Weld Question
Just used some JB Weld to make a steel-to-steel joint. Amazing stuff, took overnight to fully harden, but it's so hard now you can barely scratch it. Only issue... runny during application. Any fixes...
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12 years ago
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CA3140 model. Again!
In what context did this model ever work in LTspice used as supplied? I can't find one. I have no trouble with any other amp model I need to use, but in all the realworld CA3140 situations I have...
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12 years ago
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Abate Holding Your Breath...Thompson's Design
Here you go... I figure, if you had a mind to, you could add regulation by running this dude in burst mode, by stopping the 555 via its RESETbar input. Diode D7 prevents some really weird behavior...
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12 years ago
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147 | |
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Baxandall class-D oscillator squegging and the VBIC model
The Baxandall parallel class-D oscillator "squegs" in real life if you build it with a high value inductance in the current feed and bipolar switches. An LTSpice circuit using the Gummel-Poon model...
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12 years ago
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Bicycle Hub Dynamo Subcircuit
******* ******* =A0 =A0...Jim Thompson Obviously a fair-weather cyclist - no mudguards. The Lycra brigade go all out for lightness, and in consequence the Lycra develops a broad stripe of dirty brown...
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12 years ago
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Buck Switcher, Modeled Behaviorally
Buck Switcher, Modeled Behaviorally... ...Jim Thompson -- | James E.Thompson, CTO | mens | | Analog Innovations, Inc. | et | | Analog/Mixed-Signal ASIC's and Discrete Systems | manus | | Phoenix,...
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12 years ago
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How to get uniform export data from LTspice?
I;m trying to get transient data for future Matlab - calculating SNR of ADC output, but time scale of .txt exported file is not uniform- time steps seem to different from point to point. What I must...
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12 years ago
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ULP to identify same or copied Eagle schematic (and board)
Dear User of Eagle from this August Forum, I am using Eagle 5.110, (new to this forum) and would like someone to point me to a Eagle ULP that can compare several schematics (*.sch) and identify those...
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12 years ago
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Eagle library editor
I finally bit the bullet and got a copy of Eagle, because I need to do a bunch of small proto boards. Initial impressions are positive, mostly because it has a command line at the ready. Score. The...
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12 years ago
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303 | |
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Best Monitor?
I'm looking for recommendations for a new monitor... my ViewSonic croaked last night :-( Borrowed the wife's, so I need a quick answer ;-) Thanks! ...Jim Thompson -- | James E.Thompson, CTO | mens | |...
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12 years ago
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Modeling the CD4066 using SPICE subcircuit in LTspice
I thought the users of this group might find my demonstration of modeling a new circuit with SPICE. I use the LTspice simulator to create the model starting with CD4007 gates, then compare results of...
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12 years ago
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OT: PERL
Is there a recommended "PERL for Dummies" book? All I need it for is searching and replacing mixed text and numeric strings using a text editor (UltraEdit, editing PSpice libraries). I have "Learning...
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12 years ago
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