Re: Orcad Program
Alesha Canant
Hello,
I have some old PCB's that I need to open in Allegro PCB and / or OrCAD16.0. (I have both) The PCB's were designed in OrCAD/PCB II 2.22 forDOS and they have a .BRD file extension. Whenever I try and open thefiles, either in Allegro or OrCAD, I get the following error:
ERROR(SPMHDB-180): Database revision 11582.x is newer than current program version
The number "11582" changes from file tofile. It seems almost as if it's reading the wrong data as the revisionnumber, and then OrCAD PCB Designer just decides that it can't open itbecause it is newer. I've done quite a bit of googling on this, and Isaw a few threads on the OrCAD forums about this, but none of them hadany conclusive solution. I've also tried to open these files in EAGLEand an older version of the Free Allegro Viewer, and neither of themworked. Is there maybe a way to translate these files into a versionreadable by OrCAD PCB Designer or Allegro? Thanks.
Hi in the old OrCAD Layout software there is an import utility called Import PCB386 + PCB this takes OrCAD DOS files with a *.bd1 this will translate these old designs to a *.max files, once in this OrCAD Layout Windows format you then should be able to get this to the latest *.max formate and then to Allegro using the OrCAD Layout Translator which creates a *.brd file for opening in allegro
Stephen Grant-Davies
QuantumCad
www.quantumcad.co.uk
Yes, I read about that feature, but it seems to be taken out of Layout in OrCAD 16.0. When I click File in Layout, there is no Import option. Do you think that it would be possible to do this if I obtained an older version of Layout? If so, what version specifically has this feature.
- Carey
hi Carey,
The old OrCAD used to use a file called tomax.exe to do this translation, im not sure if this will work independently of OrCAD layout or requies .dll files from instalation, but if you can't get hold of the old OrCAD layout, give me your email and I will try to send you the file.
Stephen Grant-Davies
OrCAD Systems Corporation was a software company that made OrCAD, a proprietary software tool suite used primarily for electronic design automation (EDA). The software is used mainly by electronic design engineers and electronic technicians to create electronic schematics, and perform mixed-signal simulation and electronic prints for manufacturing printed circuit boards (PCBs). OrCAD was taken over by Cadence Design Systems in 1999 and was integrated with Cadence Allegro in 2005.
Founded in 1985 by John Durbetaki, Ken, and Keith Seymour as "OrCAD Systems Corporation" in Hillsboro, Oregon, the company became a supplier of desktop electronic design automation (EDA) software. The name OrCAD is a portmanteau, reflecting the company and its software's origins: Oregon + CAD. In 1984 Durbetaki began designing an expansion chassis for the IBM PC. Durbetaki, who had left Intel Corp. after five years as an engineer and project manager, decided, along with brothers Keith and Ken Seymour, to start his own company to develop add-on instrumentation for the PC.[2] Durbetaki began creating his schematic capture tool for his use in the PC expansion chassis project; but essentially shelved the hardware project entirely in favor of developing low-cost, PC-based CAD software. The company's first product was SDT (Schematic Design Tools) for DOS, which shipped first in late 1985.
In 1986, OrCAD hired Peter LoCascio to develop sales, and co-founder Ken Seymour left the company. The flagship SDT product was soon followed with a digital simulator, VST (Verification and Simulation Tools), and printed circuit board (PCB) layout tools.[3]
Over time, OrCAD's product line broadened to include Windows-based software products to assist electronics designers in developing field-programmable gate arrays (FPGAs), including complex programmable logic devices (CPLDs). In 1991, Durbetaki, then CEO and head of R&D, left the company. He was succeeded as CEO by Michael Bosworth.
In June 1995, OrCAD acquired Massteck Ltd.,[4][5] a small company that offered a printed circuit board layout tool and a sophisticated autoroute,[6] and Intelligent Systems Japan, KK, OrCAD's distributor in Japan. In 1996, OrCAD made a public offering.[7][8]
In late 1997 and early 1998, OrCAD and MicroSim Corporation merged, a business combination that ultimately proved to be disappointing. MicroSim has been a supplier of PC-based analog and mixed-signal simulation software for designing printed circuit board systems (PSpice).[9][10]
OrCAD Layout has been replaced by PCB Designer, sometimes called Allegro PCB Designer. The latest iteration of OrCAD CIS schematic capture software has the ability to maintain a database of available integrated circuits. This database may be updated by the user by downloading packages from component manufacturers, such as Analog Devices[14] and others. Another announcement was that ST Microelectronics will offer OrCAD PSpice models for all the power and logic semiconductors.[15] Intel offers reference PCBs designed with Cadence PCB Tools in the OrCAD Capture format for embedded and personal computers.
OrCAD is a suite of products for PCB Design and analysis that includes a schematic editor (Capture), an analog/mixed-signal circuit simulator (PSpice), and a PCB board layout solution (PCB Designer Professional).
Unlike NI Multisim, Capture does not contain in-built simulation features, but exports netlist data to the simulator, OrCAD EE. Capture can also export a hardware description of the circuit schematic to Verilog or VHDL, and netlists to circuit board designers such as OrCAD Layout, Allegro, and others.[17]
Capture can interface with any database which complies with Microsoft's ODBC standard etc. Data in an MRP, ERP, or PDM system can be directly accessed for use during the component decision-making process.
OrCAD EE PSpice is a SPICE circuit simulator application for the simulation and verification of analog and mixed-signal circuits.[18] PSpice is an acronym for Personal Simulation Program with Integrated Circuit Emphasis.
OrCAD EE typically runs simulations for circuits defined in OrCAD Capture, and can optionally integrate with MATLAB/Simulink, using the Simulink to PSpice Interface (SLPS).[19] OrCAD Capture and PSpice Designer[20] together provide a complete circuit simulation and verification solution with schematic entry, native analog, mixed-signal, and analysis engines.
OrCAD PSpice Designer includes OrCAD Capture and OrCAD PSpice solution. An upgrade option to PSpice Designer Plus provides the PSpice Advanced Analysis[21] simulation engine for functional simulation and improvement in design yield and reliability.
The PSpice Advanced Analysis simulation capabilities cover various analyses- Sensitivity, Monte Carlo, Smoke (Stress), Optimizer, and Parametric Plotter providing a depth understanding of circuit performance beyond basic validation.
A circuit to be analyzed using PSpice is described by a circuit description file, which is processed by PSpice and executed as a simulation. PSpice creates an output file to store the simulation results, and such results are also graphically displayed within the OrCAD EE interface.
OrCAD EE is an upgraded version of the PSpice simulator, and includes automatic circuit optimization and support for waveform recording, viewing, analysis, curve-fitting, and post-processing.[18][23] OrCAD EE contains an extensive library of models for physical components, including around 33,000 analog and mixed-signal devices and mathematical functions.[18] OrCAD EE also includes a model editor, support for parameterized models, auto-convergence and checkpoint restart, several internal solvers, and a magnetic part editor.
SPICE was first developed at the University of California, Berkeley, in the early 1970s. Subsequently, an improved version of SPICE 2 was available in the mid-1970s especially to support computer-aided design.
PSpice was released in January 1984 and was the first version of UC Berkeley SPICE available on an IBM Personal Computer. PSpice later included a waveform viewer and analyzer program called Probe. Subsequent versions improved on performance and moved to DEC/VAX minicomputers, Sun workstations, Apple Macintosh, and Microsoft Windows. Version 3.06 was released in 1988, and had a "Student Version" available which would allow a maximum of up to ten transistors to be inserted. PSpice (even the student version) increases the students' abilities to understand the behavior of electronic components and circuits.[24][25]
An open web-based platform dedicated to PSpice Spice circuit simulation discussions. It provides access to resources for all things related to the PSpice circuit simulator. Users can find datasheets, application notes, tutorials, videos, and also information about regional PSpice training events and webinars. The PSpice web portal provides an extensive model library of more than 33,000 PSpice models which are also easily available with the PSpice Lite Download.
OrCAD PCB Designer is a printed circuit board designer application, and part of the OrCAD circuit design suite.[26] PCB Designer includes various automation features for PCB design, board-level analysis and design rule checks (DRC).
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