Electrical Engineering Stack Exchange
Electrical Engineering Stack Exchange

Questions tagged [allegro]

Allegro is PCB design software by Cadence.

49 questions
7
votes
2 answers

How to convert files from Cadence to Eagle CAD?

Is there any free software that can convert Cadence files (.dsn, .opj, .brd) into Eagle CAD files (.brd, .sch)?
Angs
  • 3,275
  • 8
  • 33
  • 54
4
votes
2 answers

Why does the data sheet for A1362 have conflicting procedure to program sensitivity?

This data sheet shows two different ways to program the sensitivity of the A1362 on pg. 18 2nd paragraph under "Hold Mode" says "Powering the VCC supply automatically causes the device to enter the first zone. Applying a high pulse, mid pulse, high…
user1068636
  • 715
  • 2
  • 9
  • 19
4
votes
1 answer

Allegro: plotted artwork only has hatched pads

I am trying to find my way around Cadence Allegro. My aim is to make a PDF file with the copper mask. I made a schematic with capture, created a PCB layout with Allegro PCB Designer and created artwork using Manufacture->Artwork. I then imported…
ARF
  • 5,169
  • 9
  • 42
  • 69
3
votes
1 answer

EAGLE for 10 layer boards with 337-ball BGA?

I have been using EAGLE for some years. The boards I have designed had the following specs: up to 4 layers 6 mil spacing densest package: QFN, 0.4 mm pitch only "ordinary" vias mainly (low frequency) digital domain (CAN, IO, ...) The new project…
sergej
  • 1,038
  • 2
  • 17
  • 28
2
votes
1 answer

Programmatically generate padstacks for Cadence Allegro

I am laying out a complex board, with many components. One of the steps is to create padstacks for the footprints of each component. It turns out I have (nearly only) two types of padstacks to generate: For through-hole components, the pads are…
Randomblue
  • 10,953
  • 29
  • 105
  • 178
2
votes
2 answers

First time PCB layout recommendations

I have been assigned the task of laying out an A4-sized 10-layer PCB board using Allegro. Someone else is doing the schematics, which I will receive soon (all I know now is that the board contains an FPGA and an ARM, and that there are less than…
Randomblue
  • 10,953
  • 29
  • 105
  • 178
2
votes
1 answer

What is no-probe-top in Cadence OrCAD

There is a rectangle around the outside of my OrCAD footprint (pointed to with the blue arrow), and it is on the no-probe-top layer. I googled it but I couldn't find any explanation of what that layer is.
bob bob
  • 63
  • 6
2
votes
1 answer

OrCAD: Uniqueness/Scope of Net Aliases, Busses, and Net Groups, Hierarchical Ports, and Off-page Connectors

I am using Allegro/OrCAD Capture. I need some confirmation about the scope of some various types of nets in Allegro/OrCAD Capture, particularly with regards to hierarchical design and projects with multiple schematics, and with multiple pages under…
DKNguyen
  • 54,733
  • 4
  • 67
  • 153
2
votes
2 answers

Hot swappable stepper motor

We got a bulk of stepper motors, you can see specs on the following image: I'm doing some work on my school laboratory, and they want me to test this motors to see which ones work and which ones doesn't. As of now, I have used a Arduino micro and…
user2982010
  • 67
  • 3
2
votes
1 answer

Pad with 4 pins in allegro cadence (orcad)

Sorry for silly question, but how to draw pad with four pins? It's not just a custom shape of pad, it has 4 pins. Thanks
Dmitry
  • 137
  • 5
2
votes
2 answers

Where is Cadence's Allegro Design Entry HDL 16.5 Snap o Grid Option?

I am looking for the snap to grid option? Any idea how to enable it? I did try looking on Cadence forums and documentations, but I did not find anything. Also any idea how I can move wires/components without making them auto connect to something…
KingsInnerSoul
  • 829
  • 14
  • 29
1
vote
1 answer

Cadence Allegro/PCB Editor: Change mechanical pin to electrical pin

Inside a package/footprint I accidentally deleted the texts of the pin numbers. Thus the electrical pins became mechanical pins. Can I somehow reverse this process and change the mechanical pins back to electrical pins without deleting and placing…
Charly
  • 650
  • 3
  • 14
1
vote
1 answer

Buck converter voltage breaks down with load A4403

I am currently working on a Buck Converter that should charge my battery pack 4S2P. The problem is that by increasing the load the voltage is dropping, and with 450 mA (depending on the value of the inductor) the voltage will completely break…
Na55im
  • 13
  • 2
1
vote
1 answer

What is the proper way to set the offset and sensitivity parameters for Allegro A1362 so MSP430 properly digitizes them?

What is the proper way to set the offset and sensitivity parameters for Allegro A1362 Programmable Linear Hall Effect Sensor so that TI MSP430 5528 properly digitizes them? Using observed values of MSP430's digitization, how do I select a…
user1068636
  • 715
  • 2
  • 9
  • 19
1
vote
1 answer

Difference between different solder mask classes

I use Cadence Allegro 16.6V for PCB designing. We have option to use solder mask sub class from different classes like "Board geometry" and "package geometry". I know that "Package geometry->Solder mask" is used for package footprints. Where does we…
MightyBeard007
  • 197
  • 2
  • 18
1
2 3 4