Altium PCB Designer
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Randy Clemmons is a PCB Designer, his specialties include RF and High Speed Designs. Follow this blog to know more about PCB designs.
Altium PCB Designer
1M ago
Example six layer board with Corrupted Mid Layer IDs.
.Layer_ID and .Layer_Name
Example . . . Corrupt Mid Layer IDs
The Fix . . .
Backup the Project Design Files using Project > Project Packager
Open the PcbDoc . . .
Import Changes from Project to Update the Netlist and Design Rules in the PcbDoc.
Run DRC checks, take note of any reported errors.
Create and open a Copy of the PcbDoc in the project.
Design > Layer Stack Manager
Export Stackup as CSV, then include Impedance Screen Captures in Excel.
Delete all Mid Layers from the Corrupt Stackup.
Then add Mid Layers as nee ..read more
Altium PCB Designer
1M ago
Top 5 PCB Design Rules You Need to Know | PCB Design Blog | Altium ..read more
Altium PCB Designer
1M ago
Microsoft Word - Footprint Expert Surface Mount Families
Use the link above to download the 39 page PDF
That's it  ..read more
Altium PCB Designer
1M ago
Project > Variants
Check the First Option for Silkscreen
Check Both Options for Solder Paste
That's it ..read more
Altium PCB Designer
1M ago
C:\Users\rjcle\AppData\Local\TempReleases
Open the Snapshot Folder and Drill Down . . .
That's it ..read more
Altium PCB Designer
1M ago
Example - Donut Shaped Room with Height Constraint
Height Constraint using Keep Objects Outside
Create two Arcs with Crosshairs.
Draw Rectangular Room, ignore self-intersecting warnings while drawing the polygon. Then Edit Polygon Room Vertices to form joined 90 degree Arcs using Snap to Lines and Arcs.
or
Draw Lines and Arcs then Tools > Convert > Create Room From Selected Primitives.
Notes:
Height Constraint Syntax - AsMM(Height) > 0.6
Height Constraint - Online DRC does NOT work (bug ?)
Height Constraint - Batch Mode DRC Check works ..read more
Altium PCB Designer
4M ago
Shortcut hide polygon - Altium Discussion Forums
I have added a command with an icon in my toolbar.
This is the screenshot of Hide Polygon.
The parameter to Hide Polygons is: PolygonQuality=Hidden
The parameter to Draft polygon is: PolygonQuality=Draft
The parameter to show polygon is: PolygonQuality=Full
Thank you Walter ..read more
Altium PCB Designer
5M ago
To bring up the Slicer Properties Dialog
Select Edit > Slice Tracks > Left Click Mouse to Start Slicing then > Press the Tab Key
That's it ..read more
Altium PCB Designer
5M ago
First Step - Select Components > Unlock Primitives
PCB Filter to Check and Fix Solder Paste
(ObjectKind = 'Pad') And (PasteMaskExpansionMode <> 'Manual')
(ObjectKind = 'Pad') And (Layer = 'Top Layer')
(ObjectKind = 'Pad') And (Layer = 'Bottom Layer')
(ObjectKind = 'Pad') And (Layer = 'MultiLayer')
Properties Panel > Select Pad Stack > Paste Shape > Manual Expansion
PCB Filters to Check and Fix Solder Mask
(ObjectKind = 'Pad') And (SolderMaskExpansionMode <> 'From Rule')
Properties Panel > Select Pad Stack > Solder Shape > Rule E ..read more