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CAD Information Definition
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Each CAM CAD software
package creates its own unique file format, however the type of information
needed by the Keysight 3070 is the same. To create a 3070 fixture and program,
the following CAD information is needed:
-
Component reference
designator and pin number
-
Component Side Location
(primary or secondary)
-
Node name of each
component pin
-
X-Y locations of
all component pins
-
X-Y location of
all vias and the associated node name or node number
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X-Y location of
all test points and the associated node name or node number
The
above information can be located in a single database file or a multiple
of output text files depending on the cad system used. The preferred method of
data translation is to obtain the CAD Database output file. This file contains
all of the information needed by the 3070. The table below shows
some of the
most common CAD systems and their associated database files.
|
CAD System
|
File Extension
|
| PADS |
.ASC |
| PCAD |
.PDF |
| Accel EDA, Tango |
.PCB |
| Allegro |
.PIN |
| Cadence/Valid Allegro |
BRD, PAD, SYM and RTE |
| Calay |
.PCB |
| Mentor Neutral |
.NET, .NEU |
| OrCAD |
.MIN |
| Protel |
.PCB |
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