cadence SPB17.4 - allegro - allegro_ free_ viewer

cadence SPB17.4 - allegro - allegro_free_viewer

Preface

I want to see the board connected , Whether the routing of each network is reasonable .

Of course, it can be in cadenceSPB17.4_PCB Editor 17.4 In the direct Find net, Then select to see .

But this is a bad place , Just use cadenceSPB17.4_PCB Editor 17.4 open .brd after , Just a little operation , Can be saved .

Keep close .brd after , The file changes . If this project has been filed , Of documents git The icon shows that the file has changed , Whether to archive or not ?

Today I found that you can use cadence Specially provided PCB viewer , Can't move the board , Only view , read-only , No write operation .

This is especially suitable for viewing reference design , Or check whether the network routing is reasonable . Don't worry about opening the board , The board content has been changed .

note

How did you find this function ?

I opened my own project , Yes, open first orcad Schematic engineering , stay orcad In the start-up board sub project , This allows you to use the auto route reference , PCB The project is updated synchronously .

When I suddenly found the starting board , Another menu item is startup PCB viewer , It seems that this is useful . try .

start-up PCB Behind viewer , Use the debugging tool to view , The program started is D:\Cadence\SPB_17.4\tools\bin\allegro_free_viewer.exe

Because I just want to view a board project only , It can be started directly allegro_free_viewer.exe, Open reference design to view . stay orcad Engineering neutralization allegro PCB Editor The technical secondary school door moves the board , So cross reference , Useful for routing adjustments .

allegro_free_viewer Based on using

Open the board project

It can be seen that allegro_free_viewer You can view the board and packaging project .

Open the board project , Operations on the interface , It's all about viewing , Professional .

View network routing

I use allegro_free_viewer To view the network routing of the reference design , Use this function this time .
On the panel in the upper left corner , Click to switch to the web page .

It opens at Nets Node tree

On the left panel , choice Nets node , You can see a list of all the network names .

Double click a network name , This network will be highlighted on the main canvas .

Main canvas operation and PCB Editor equally , The mouse can zoom , Keyboard can be moved . such , You can view the routing of a specific network , Don't worry about moving the board .

sign out allegro_free_viewer when , Sometimes it will prompt " Whether to save the project ?". Because we use this Viewer, It is used to check the board , So I firmly choose not to save .

summary

For viewing the board , Use allegro_free_viewer Than PCB Editor Much better . It's easy to operate . Don't look like PCB Editor It is so troublesome to choose from one to another .

You can not only view the specified network routing , You can also view all the contents on the board . e.g. Several are defined in the project group, Can be highlighted .

allegro_free_viewer The view function of is very professional , Very convenient , Very safe .

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