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Good day all, Well, I've been around awhile now and have tried Orcad Capture (ver 9 demo), CircuitMaker, SuperSpice and LTSpice. I had initially given up on Orcad as being to complex, unnecessarily detailed and being MUCH TOO EXPENSIVE for small time operators like me. When I started out, I just wanted something to draw and save simple schematics!!!! Until I tried SPICE that is!!!!!!!!!!!!!!!!!!!

Now, Spice is most important!! Gotta have Spice (after trying it). After trying all, Orcad has a lot of advantages, I'm doing the self contained tutorial for the third time. I've seen the light.

I'm wondering if older versions of Orcad are affordable and how much difference there is between the older versions and the latest megabucks version. I've seen Orcad 9 on ebay for $66, but always from a vendor in a country where copyright laws aren't closely enforced:>: I won't even give those people my email address! However, if someone had ver 8 because they upgraded to ver 9, I'm wondering if I could afford to buy it??? Also, does anyone know if Cadence will transfer the software license from the old owner to me???

So, is Orcad worth trying again and does buying an older version make it a cheaper option (remembering that it has to include Spice). Hackers, password crackers and persons who DO NOT respect intellectual property rights should not reply. Thanks, AB qrk 05.09.03 17:29. If money is an issue, then LTSpice is an excellent choice. It's free, works, and the program is updated often. If you find a bug, it's usually fixed within a day. Have a good suggestion, you might see it incorporated within a month or less.

Unlike PSpice where you have to dish out lots of money and wait a year. LTSpice has a very good spice engine and it's compatible with PSpice syntax.

I have run comparison tests between PSpice 9.2 and LTSpice on moderately complex circuits. The results of the simulations normally matched pretty good. If you use LTSpice, download the PSpice reference manual. It's very helpful. If you have to do PCB's, then you might be limited by LTSpice's schematic capture being able to spit out a properly formatted netlist. Mark Chuck Harris 05.09.03 17:38. Usually when you upgrade from one version to the next, you pay a price that is much less than the original buy-in price.

But you don't get a license that allows you to transfer the old version. If you sell the old version, you must stop using the new one. If you want to spice, go out and get the best spice.LTSpice. It is free, and works better than any of the educational/demo versions.

-Chuck AB wrote: >Good day all, >>>I'm wondering if older versions of Orcad are affordable and how much >difference there is between the older versions and the latest >megabucks version. >>I've seen Orcad 9 on ebay for $66, but always from a vendor in a >country where copyright laws aren't closely enforced:>: I won't even >give those people my email address! >>However, if someone had ver 8 because they upgraded to ver 9, I'm >wondering if I could afford to buy it??? Also, does anyone know if >Cadence will transfer the software license from the old owner to me??? >>So, is Orcad worth trying again and does buying an older version make >it a cheaper option (remembering that it has to include Spice).

>>Hackers, password crackers and persons who DO NOT respect intellectual >property rights should not reply. >>Thanks, >>AB >>AB 05.09.03 19:12. Thanks to Chuck and QRK.

I never thought Spice would be so important, but I've been bitten. As expensive and complex as Orcad is, it does NOT include a model for a 1N4148 or a 1N914. I was not impressed by this, especially since they do include models for thousands of chips that I never heard of! I am a hobbyist, but have a degree in electronics, but don't work due to serious arthritis.

If I was working tho, I would have Spice! I do not need PCB layout software, although tomorrow, who is to know what I will need:>: Regards, AB On Fri, 05 Sep 2003 20:38:37 -0400, Chuck Harris wrote: Jim Thompson 05.09.03 19:38. On Fri, 05 Sep 2003 22:12:38 -0400, AB wrote: >Thanks to Chuck and QRK. >>I never thought Spice would be so important, but I've been bitten.

>>As expensive and complex as Orcad is, it does NOT include a model for >a 1N4148 or a 1N914. I was not impressed by this, especially since >they do include models for thousands of chips that I never heard of! >>I am a hobbyist, but have a degree in electronics, but don't work due >to serious arthritis. If I was working tho, I would have Spice! >>I do not need PCB layout software, although tomorrow, who is to know >what I will need:>: >>Regards, >>AB [snip] Hardly be me the one to defend OrCAD. I think Capture is the biggest pile of horse excrement ever devised by man.

But 'OrCAD' includes PSpice. And I guarantee you that PSpice has models for 1N4148 and 1N914. You are just clueless when it comes to 'Search';-).Jim Thompson -- James E.Thompson, P.E. mens Analog Innovations, Inc. et Analog/Mixed-Signal ASIC's and Discrete Systems manus Phoenix, Arizona Voice:(480)460-2350 E-mail Address at Website Fax:(480)460-2142 Brass Rat 1962 I love to cook with wine. Sometimes I even put it in the food. Chaos Master 05.09.03 20:30. AB screamed: >As expensive and complex as Orcad is, it does NOT include a model for >a 1N4148 or a 1N914. I was not impressed by this, especially since >they do include models for thousands of chips that I never heard of!

Even PSpice Student includes models for 1N4148 and 1N914. Look at the EVAL library. Do you, by 'chips', mean digital components? I have the 'catalog' of models that come with the full version of PSpice. 2MB.PDF file.

If you want it, please drop an e-mail to wizard_of_yendor (replace the by the @). >I am a hobbyist, but have a degree in electronics, but don't work due >to serious arthritis.

If I was working tho, I would have Spice! -- E-mail address is fake. Please reply to the group!

Chaos Master 05.09.03 20:37. Jim Thompson screamed: >On Fri, 05 Sep 2003 22:12:38 -0400, AB wrote: >Hardly be me the one to defend OrCAD. I think Capture is the biggest >pile of horse excrement ever devised by man. >but 'OrCAD' includes PSpice. >and I guarantee you that PSpice has models for 1N4148 and >1N914.

You are just clueless when it comes to 'Search';-) I don't like Capture too. Too buggy and clumsy. In my computer it crashes a lot. What I would love is to use Schematics' interface with LTSpice's engine. =) -- E-mail address is fake. Please reply to the group!

Jim Thompson 05.09.03 20:47. You can actually load in a SS netlist into LTSpice, run it in LTSpice, then load in the output file into SS if LT has been set to ASCII mode. Then you can x-probe as usual. Although ss runs xspice in command mode, and can actually drive any spice engine transparently if it follows the standard spice Unix command line syntax, the command line interface to lt spice is not documented/known. Kevin Aylward SuperSpice, a very affordable Mixed-Mode Windows Simulator with Schematic Capture, Waveform Display, FFT's and Filter Design. Jeff Stephens 06.09.03 07:05. For inexpensive Pspice go to and click on 'Software ->Upgrade your Pspice Software' and scroll down to 'MicroSim version 8.'

Lots of other links here as well. Regards, JeffS 'AB' wrote in message news:o4uhlvsksplv134elridemjr0frvvoo5tr@4ax.com. >Good day all, >>Well, I've been around awhile now and have tried Orcad Capture (ver 9 >demo), CircuitMaker, SuperSpice and LTSpice. >>I had initially given up on Orcad as being to complex, unnecessarily >detailed and being MUCH TOO EXPENSIVE for small time operators like >me. >>When I started out, I just wanted something to draw and save simple >Pirates 2 Stagnettis Revenge Movie Free Online. schematics!!!!

Until I tried SPICE that is!!!!!!!!!!!!!!!!!!! >>Now, Spice is most important.!! Gotta have Spice (after trying it). >>After trying all, Orcad has a lot of advantages, I'm doing the self >contained tutorial for the third time.

I've seen the light. >>I'm wondering if older versions of Orcad are affordable and how much >difference there is between the older versions and the latest >megabucks version. >>I've seen Orcad 9 on ebay for $66, but always from a vendor in a >country where copyright laws aren't closely enforced:>: I won't even >give those people my email address! >>However, if someone had ver 8 because they upgraded to ver 9, I'm >wondering if I could afford to buy it??? Also, does anyone know if >Cadence will transfer the software license from the old owner to me???

>>So, is Orcad worth trying again and does buying an older version make >it a cheaper option (remembering that it has to include Spice). >>Hackers, password crackers and persons who DO NOT respect intellectual >property rights should not reply. >>Thanks, >>AB >>>AB 06.09.03 09:22. >but 'OrCAD' includes >PSpice.

And I guarantee you that PSpice has models for 1N4148 and >1N914. You are just clueless when it comes to 'Search';-) >>Yes indeed, I am probably clueless Jim!! I still can't find the 1N914 and the 1N4148. I'm not sure what to say about the lack of 1N914 and 1N4148 models in Orcad v 9.2. There are hundreds and hundreds of obscure IC's, stuff I've never heard of before. It appears to be complete with regard to transistors, although the 2N3055 power transistor isn't there.

Maybe I'm not looking in the right place, I'll reread the tutorial about part search again. But, here's what I'm doing! Let's say I need a 1N4148 diode.

I open up a new design, which (I think that means I'm starting with a clean slate). The project manager for design1 comes up and a blank schematic labeled 'schematic1: page 1' appears. The place part window comes up. There are about 30 libraries in the libraries part of the window, they are selected already so I think that means I can access any parts in any of those libraries.

The DISCRETE library is definitely high lighted, my 1N4148 is probably in there??? I type '1N4148' into the open window and click OK. Nothing happens. I click on the 'part search' button. The part search window comes up with 1N4148 already entered into the part search window.

There are no libraries shown in the Part Search libraries box, but the path to Orcads Library files is properly shown. I click on Browse (just in case I need to select a specific library for Orcad to search). A bunch of libraries in Orcads own Library folder are shown. However, I can't select any of the libraries by left/right clicking or shift click or control click. I close the browse window and the part search window is now shown again. The libraries part of the part search window remains empty.

I am assuming that I can't add any libraries because they are already available as shown in the place part window. I click 'begin search'. Orcad says 'No parts found to match the search string: 1N4148'. I close the place part window, no part is found. Now, it gets even better though.

I can locate and place the 2n2222, the mpsa05, mpf102, 74HC14, 74s00, 4049 and other common parts! I don't even have to search for these!

I just type them into the place part window and they show up right away. There is no need for me to do a part search at all with these common parts. So, am I doing something wrong, or is Orcad missing the 1N4148?? I can't find the 1N914 either.

Thanks all, AB (clueless in Maine) Jim Thompson 06.09.03 10:01. Crippled student version or licensed?

Both diode.lib and ediode.lib contain the model D1N4148 diode.lib contains the model for D1N914 pwrbjt.lib contains the model for Q2N3055 Read the tutorial, particularly how to configure libraries. Unless you define a particular library in the setups, the program will not know where a part is.

Better still, re-install, choose 'Custom', install Schematics and see how a real schematic entry program works. (I don't use Capture, refuse to use Capture, and will bail from PSpice when they cease support of Schematics. PSpice alternatives were under consideration before Charlie Edmondson's Schematics EOL announcement.).Jim Thompson -- James E.Thompson, P.E. mens Analog Innovations, Inc. et Analog/Mixed-Signal ASIC's and Discrete Systems manus Phoenix, Arizona Voice:(480)460-2350 E-mail Address at Website Fax:(480)460-2142 Brass Rat 1962 I love to cook with wine. Sometimes I even put it in the food. Chaos Master 06.09.03 10:21. AB screamed: >>but 'OrCAD' includes >>PSpice. And I guarantee you that PSpice has models for 1N4148 and >>1N914.

You are just clueless when it comes to 'Search';-) >The project manager for design1 comes up and a blank schematic labeled >'schematic1: page 1' appears. You're using Capture, aren't you? Use Schematics. >The part search window comes up with 1N4148 already entered into the >part search window. There are no libraries shown in the Part Search >libraries box, but the path to Orcads Library files is properly shown. Student edition or full version? If student version, load the library 'EVAL.OLB'(in Capture) or 'EVAL.SLB'(in Schematics) that has those symbols.

If full version, try selecting all libraries(to be more precise, select diode) and then type D1N4148. Notice that you need to use D1N4148, D1N4004, D1N914 etc. Same for transistors, but you have to select bipolar, powerbjt, etc.

And use the Q letter in the component name (e.g. Q2N3904 or Q2N2222). Please correct me if something is wrong. I hate Capture - and now I am using LTSpice. -- E-mail address is fake. Please reply to the group! AB 06.09.03 10:31.

>Crippled student version or licensed? It is called Orcad ver 9.2 Lite.

It is fully functional in all respects, except that you cannot save a design or a schematic that contains more than 60 components. You can model it in Spice, you can draw and use a big schematic.but u cannot save it to disk. I had just gone through the CircuitMaker Student version fiasco and I called Cadence to insure that this was the only restriction.

>>Both diode.lib and ediode.lib contain the model D1N4148 >>diode.lib contains the model for D1N914 >>pwrbjt.lib contains the model for Q2N3055 OK, I searched both hard drives, there are no such files on either drive! How interesting:>: I guess I can add them, but I'm somewhat surprised they wouldn't include common parts such as these! >>Read the tutorial, particularly how to configure libraries. Unless >you define a particular library in the setups, the program will not >know where a part is. >>Better still, re-install, choose 'Custom', install Schematics and see >how a real schematic entry program works. >Yes, I did do the quick install when I first installed it.

I'll wipe it and do a reinstall. >(I don't use Capture, refuse to use Capture, and will bail from PSpice >when they cease support of Schematics. PSpice alternatives were under >consideration before Charlie Edmondson's Schematics EOL announcement.) >>SuperSpice and LTSpice begin to look better. I thank you and the group very much.

Keep smilin' AB Jim Thompson 06.09.03 10:41. On Sat, 06 Sep 2003 13:31:13 -0400, AB wrote: [snip] >Keep smilin' >>AB What else can you do?:-) Contact me via E-mail with which parts you need and I'll see what I can provide.Jim Thompson -- James E.Thompson, P.E. mens Analog Innovations, Inc. et Analog/Mixed-Signal ASIC's and Discrete Systems manus Phoenix, Arizona Voice:(480)460-2350 E-mail Address at Website Fax:(480)460-2142 Brass Rat 1962 I love to cook with wine. Sometimes I even put it in the food. Erik Wanta 06.09.03 12:16.

>>Student edition or full version? If student version, load the library >'EVAL.OLB'(in Capture) or 'EVAL.SLB'(in Schematics) that has those >symbols. If full version, try selecting all libraries(to be more >precise, select diode) and then type D1N4148. Notice that you need to >use D1N4148, D1N4004, D1N914 etc. Same for transistors, but you have >to select bipolar, powerbjt, etc.

And use the Q letter in the >component name (e.g. Q2N3904 or Q2N2222). >OK, thanks all. I found some more.olb files in a separate folder (PSPICE) that the program doesn't list as being there. One of the files was eval.olb.

I added those files (and the other files in the main folder) and found the 1n914 (D1n914). However, the D1n4148 wasn't there and the Q2n3055 wasn't either.

I also uninstalled and reinstalled as suggested, but there is no option for a custom install- I searched the CD they sent, could not find additional.olb files there. Anyway, this suks really badly. In the process of reinstalling, I found out that there are some other very severe restrictions. It's alot more restricted than just the 60 component max one they told me when I asked! Both PSpice and Capture are limited too! Hey, I gotta say you guys are right!

I'm going back to ltspice and/or superspice. Again, thanks to all. >Please correct me if something is wrong. I hate Capture - and now I am >using LTSpice. Chaos Master 06.09.03 14:33. AB screamed: >Anyway, this suks really badly. >Both PSpice and Capture are limited too!

Capture and PSpice are limited. Capture has irritating bugs. >Hey, I gotta say you guys are right! I'm going back to ltspice and/or >superspice. I was using PSpice student until I found LTSpice.

Changed to LTSpice - I don't want to use PSpice anymore! >again, thanks to all.

You're welcome. -- 'To Capture or not to Capture, that's the question.'

E-mail address is fake. Please reply to the group! Kevin Aylward 06.09.03 23:38.

Georgia Institute of Technology School of Electrical and Computer Engineering Cadence University Program Member Cadence Tools in the Cadence software is being used primarily in the following courses in the at: • and use version 16.6 of SPB/Orcadlite/PSpice for basic instruction in SPICE • ECE 3060 (VLSI and Advanced Digital Design): The Virtuoso schematic/layout editors along with Diva DRC/LVS tools are used by the students to design a 16bit Microprocessor. The students uses the Cadence tools to design the schematic and the layout of individual units such as Adder, Register File, Decoders, etc. And perform DRC/LVS checks on them. The Cadence tools in this course introduces students to the basic VLSI design skills.

• ECE 6130/4130 (Advanced VLSI Systems): The Virtuoso schematic/layout editors and Diva/Calibre DRC/LVS/Extraction tools are used in this course to teach students advances concepts of digital system design using the NCSU Design Kit. The course uses Cadence Virtuoso as the only acceptable tool for a semester long design project in this course. For example, in last two years in the design project students are designing a three stage pipelined system – an SRAM array, a one-cycle Interconnect, and a fast adder – using Cadence tools in this course. The design is performed at advanced technology nodes (e.g.

IBM130nm, FreePDK45nm etc.) with aggressive voltage/frequency targets (~1GHZ at 0.8-1V supply). A significant number of students in this class also uses Spectre simulation environment for design while a fraction of students uses HSPICE for simulations. • (Physical Design Automation VLSI Systems): Encounter and Virtuoso for digital IC designs. • (Analog Integrated System Design): Custom IC and Verification are utilized for projects involving deep brain stimulation, wireless cardiac monitoring and electrocardiogram monitoring. • Cadence is used for design projects in the graduate course “Wireless IC Design” (). Standard device models are used in conjunction with Spectre and SpectreRF simulation in Cadence to design circuits for Ultra Wide-Band (UWB) applications. Baseband and time-domain simulations of analog front-ends and back-end circuits are performed.

• ECE6430 (MOS Digital ICs): The MOS Digital IC course uses Virtuoso schematic/layout editor along with Spectre to teach students advanced concepts of digital circuit design. In this course, Cadence tools are normally used to solve small scale design problems in Homework. • ECE8893 (Digital System in Nanometer Nodes): In this course, each student defines his/her own design project ranging from digital system integration to low-level circuit techniques. All the projects (~12-15) are implemented using Cadence design tools including Virtuoso, Diva or Calibre DRC/LVS/Extraction and SoC encounter (for Auto Place/Route). The designed projects may lead to Fabrication of test chips. • Cadence tools are used by the. The goal of the team is to design digital hardware which is highly resistant to reverse engineering and attack by malicious hardware insertions (hardware Trojans).

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They also used the ocean feature to communicate with MATLAB such that they could automatically adjust simulation parameters with a MATLAB script. Budidaya Tanaman Gandum Pdf Printer there. • The Integrated Sensors & Systems Lab (i-SensSys) led by utilizes Cadence applications for the design and development of intergrated microsensors and their front-end signal conditioning circuitry. • The Georgia Tech Analog, Power, & Energy ICs Lab uses the Cadence tools for the simulation, layout, and verification of integrated circuits (ICs) designed, developed, built, and evaluated for the purpose of furthering their research in the field of analog, power, and energy ICs. The files generated from the Cadence environment are used to submit IC prototypes to foundries like those supported by MOSIS.

• uses Cadence in as the standard platform for IC design in SiGe technology. The tools used include icfb/msfb, layout, layout XL, schematic, hierarchy editor, diva, Assura + Assura RCX, Calibre, Spectre, Sonnet plug in, ADS Dynamic Link / rfde, GoldenGate, Encounter, Synopsys, AMS, ncverilog, and SimVision. • The supports world-class research that fosters the development and design of new communications technology in wireless/RF, wired/copper and fiber channel applications. • The lead by have taped out a 3D IC design using SOC Encounter, QRC Extraction and Virtuoso Cadence design tools and others.

The tool sets used are Custom IC and Digital IC. • The led by uses Cadence tools for virtually all of their research efforts on Digital Circuits/Systems ranging from memory design, signal processing circuits/systems, power/thermal management for multi-core design, 3D ICs design, and biomedical circuit/system design. GREEN Lab is currently using Cadence tools to tape-out a test chip in FD/SOI technology offered through MIT-Lincon Lab, GREEN lab envisions using Cadence tools (Virtuoso, Spectre, SoC Encounter, etc.) to tape out at least one test chip every year. • The utilizes Custom IC, Verification and Allegro for projects related to neural interfacing and implantable biomedical devices. • The Yield Enhancement and Testing Research Group (YETRG) led by utilizes Allegro, SOC Encounter, QRC Extraction, RTL Compiler, Virtuoso, IUS for Custom IC and Digital IC.

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