Questions tagged [cad]
Computer Aided Design
155
questions
0
votes
2
answers
59
views
In Altium, how do I create mounting holes for a through hole transistor? [closed]
I am starting to learn Altium and I don't know how to create a through hole footprint. How do I get started on this?
https://www.mouser.com/ProductDetail/Diotec-Semiconductor/BC337-40?qs=...
- 11
-2
votes
1
answer
38
views
TinkerCAD Digital Logic LED [duplicate]
I finished building this circuit in TinkerCAD, but for some reason the AND gate won't behave like it's supposed to. Shouldn't the LED turn ON when both 1 and 2 are ON? Instead, it turns ON when both 1 ...
-1
votes
1
answer
44
views
TinkerCAD Digital Logic
Everything here seems to be right, like the gates and resistors, but the gate seems to be the issue; the LED is off when the switch is on. What is the issue? I have also included the schematic.
0
votes
1
answer
120
views
How do I change minimum anular ring in vias for different layers in Altium?
I want to send my gerbers to a PCB manufacturer but its manufacturing capabilities force diferrent minimum anular ring for vias in different layers. For outer layers, its 0.13 mm and for internal ...
0
votes
0
answers
47
views
Issue in understanding routing in VLSI CAD
I have chosen to undertake VLSI CAD as a part of my electronics degree and I came across this statement (Source : Naveed Sherwani, Algorithms for VLSI Physical Design Automation, 3rd edition , Chapter ...
- 9
0
votes
0
answers
32
views
Altium Efficient Usage of Signal Harness
I have a 16-channel differential analog input which I would like to represent through a signal harness (see below). I am new to Altium, and I am curious if there is a trick to define my harness more ...
- 101
0
votes
0
answers
67
views
PCB components/ creation
I am tasked with the creation of a PCB that is quite simple. It is only a simple route from a 26 pin MDR to a 2 pin terminal block. I am stuck though.
I am using Fusion 360 and I have a few questions.
...
- 343
2
votes
4
answers
168
views
Is there a Design Rules change to fill in this gap between an IC and polygon in Eagle?
I adjusted the clearance values, and that did not fill in the gap.
- 677
0
votes
0
answers
143
views
How can I rename Altium Library file and apply source change for each component?
I want to change the name of the library files in my Altium Project (inside the folder "Libraries" you can find .SchLib and .PcbLib). I can righ click them and select the rename option. That ...
3
votes
1
answer
199
views
What are some best practices for library management for schematic and PCB design?
Most CAD packages use a "symbol" and "footprint" library approach when it comes to designing schematics and PCBs. Some (like recent versions of Altium) have "component" ...
- 572
0
votes
1
answer
48
views
ECAD Program that knows about breakout boards?
Are there any ECAD/layout programs that know about popular breakout boards in their component libraries? For example, pieces like an ESP32 Dev Board or TB6612FNG breakout board.
(note) I am not ...
- 10.7k
0
votes
0
answers
135
views
Xpedition Designer DNP (no fit) components
Could somebody please let me know what the method is to mark a component as DNP (not to be fitted in production) in Xpedition Designer (schematic entry). I can't find it in the docs and I'm used to ...
- 23
0
votes
1
answer
3k
views
How do I get a bigger sheet size in Altium, updating current one?
I have a schematic sheet and I need more free space on it. The actual size is A4. I have right-clicked in the sheet, went to Preferences and changed the Sheet Size from A4 to A3 but that does not make ...
0
votes
0
answers
70
views
How to update HFSS component/block elements throughout design?
I'm trying to create a model in HFSS that has a particular block (in this case an SMP connector footprint) that is repeated a number of times throughout the design. It involves geometry I've drawn for ...
- 1
0
votes
0
answers
101
views
Net GND's unconnected alert remains off in Altium
I have my Altium Designer project where I have a net called GND. That's the ground. While routing, I can see these little white lines that alert me about which pad I need to connect to each other, and ...