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simulation of harmonic distortion
how tomake asimulation ofharmonic distortioninorcad?thank you
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Need help tuning diff pairs---will PAY
Hi. In another post I was asking about diff pair tuning.....well....I just cannot figure how to do it. I am willing to pay someone to take the brd, tune the diff pairs and send it back with detailed...
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How to change package design(.dra) to reflect in layout after placement of...
I have made some modifications in the package file of a component (say changed the silkscreen or place bound), So I know by ECO mode the changes I made are getting reflected in the library. But if...
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Templates and CM default values (PCB Designer 16.5)
Right now, the Constraints Manager (PCB Designer 16.5) populates all the entries with default values (for example, 5 mil spacing minimums for everything). Is there a way to change these defaults?On a...
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Some Basic questions to select proper OrCAD Softwares
Dear All, I already downloaded OrCAD Softwares 16.5 demo software. I didn't find OrCAD PCB editor there. I have PSpice student OrCAD capture and other PSpice softwares. If I want to download entire...
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Place by Schematic page...
Hi All,In one of our new design, due to large number of parts, we would like to place the parts as "Place by schematic page number". But in our tool the option is disabled. If anyone knows how to...
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Pspice Model editor commands and capabilities.
Hello, My name is Andy and I am currently working as an intern. At my jobsite, we have OrCad 16.5 avalible to us. I am trying to use the model editor for pspice to create parts that will have the...
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No Pspice library for line driver and receiver
Hello everyone.I have the lite version of orcad and I have the following problem. I'm trying to develop a time simulation of a circuit with a line driver and a line receiver RS 422 but every time I...
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Placement Edit not working?
I have two sites where I use PCB Editor. One at a customer / employer and the other at my home office. Yesterday I took a file from the customer to my home office to continue working on it last night....
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VIA SELECTION
Hi allIs there any way by which we can select any specific via in the PCB editor.For e.g if there are about 10 types of vias in any pcb design and there is a via having name "60rd40" and i have to make...
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SMA/SMB footprint in Orcad 16.5
Hi all, I going to use a SOCKET, SMA, RIGHT ANGLE, 50OHM in my PCB link here http://uk.farnell.com/te-connectivity-amp/5-1814400-1/socket-sma-right-angle-50ohm/dp/1248989I was able to find the...
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Artwork Generation
Okay how do the pros set this up quickly? I find for each board it is a very tedious and painful process to get the correct folders set up and the classes and subclasses to get the silkscreen and...
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Thermal reliefs for vias used in SMD pads
Hi all I am doing a design with via in pad for the first time and was wondering if there are any known soldering issues if you don't thermally relive the via on a plane? Normally we never put thermals...
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Does anyone else dislike the "Line Width Retention" feature?
Branching off from http://www.cadence.com/Community/forums/p/16025/1322497.aspx, which originated my question in that post. Am I the only one who finds the line width retention to be a real pain and a...
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Orcad PCB EDITOR 16.6 FOOTPRINT LIBRARY
Hi @all!I would like to know if is possible to download the footprint library ( file *.dra and *.psm) of the most popular component. I can not manually create each footprint!!! The standard footprint...
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How to change the solder mask of pads from top to bottom in brd file
I placed the components on top layer and mirrored. Components have been placed in the bottom layer but some how the solder mask layer of the component pins is displaying as solder mask top.It should...
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Strange Error when accessing OLB symbol library
We recenlty upgraded from 16.3 to 16.6. since then ive been experiencing the following Errors when i open the company OLB library. ERROR(ORCAP-1558): Unexpected error in database...
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Using Parameters in Pspice models
Is this possible? As an example I set R1VAL to 10 using a parameter block. Then I edit the model of an Rbreak resistor and type.model Rbreak RES R={2*5} dev=1%I set the value of the resistor to...
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Tools for viewing DSN file and allegro netlist.zip
Hello,We were given some old hardware design files by a customer for redevelopment. The files came in the form of .dsn and zipped files. I tried the Allegro Free Physical/MCM Viewer and got the...
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Gnd refrence layer
Hi allIf a signal layer has digital and analog signals and sandwiched b/w gnd planes, which gnd is reference plane for inr1? If inr1 has digital signals on right and analog signals on left whereas...
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