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how to Import CADSTAR SPL gerber file in Allegro.
I have a PCB Antenna reference design in CADSTAR SPL gerber file and I want to copy the PCB antenna to my board design in Allegro. How can I import CADSTAR SPL gerber file to Allegro?Thanks.Kevin
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2 Layer PCB Design
Hi All,I am making the PCB of SI1143 gesture control. I am making the 2 layer PCB , (Top & Bottom). I have three connections along with other connections.I have a confusion that how can I represent...
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Stack up for a 4 layer RF design
DearsI am new to the tool, and I am being blind with this new assignment.1. I want to design a 4 layer board (RF for 50e imp matching on three tracks: basically a SMA input).2. We will be using a...
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After Doing Silkscreen, Not getting Component Name , Reference Disignators...
Hi All,I am making the PCB of APDS-9960. After completing the process of Artwork . I went for Silk screen. I choseComponent Value: NoneDevice Type : NoneBoard Geometry: SilkPackage Geometry:...
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change RefDes in schematic causes changes in pcb routing
Good day every one!i use Allegro CIS & PCB 16.6I have complex hierarchical design divided into several pages. Each pages included couple of several logically separate circuits. I want to move...
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How do we transform BRD file to EAGLE file?
anyone knows when designing pcb ,how to transform BRD file to EAGLE file?
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Default Properties For New Schematic Symbols
Is there a way in Capture CIS to set default properties for new schematic symbols? For example when I create a new part I want it to include the following properties with blank values:- Manufacturer-...
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Traces constantly becoming disconnected from pads for unknown reason.
Using Orcad PCB Designer 16.6When routing a board, I keep finding that several traces become disconnected from the pins they are routed to. It looks like the trace connects to each pin, the trace and...
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Vias in BGA routing
Hi,I'm using a controller having LFBGA package having pitch 0.5mm as shown in the attached image.I've designed the footprint for the controller. Land dia is 0.24mm. My board is having six layers and i...
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can't reduce upper y extent
HiIn creating library part, if i change the Setup - -> Design Parameter - - > Design, the width and Height not able to modify, It is showing the following error.can't reduce upper y extent...
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What do you think of China PCB manufacturer
Have you had Overseas Trading Experiences and have you ever buy pcbs from china ? if you did,how do you think so? satisfied? disappointed??and about the quality,the service ,and the shipping time and...
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Uniform Via Stitching along the RF trace, below the thermal pads of IC and...
DearsCan you please help to understand the different GND via stitching for my recent RFboard.1. Along the 50E imp track.2. Below the IC thermal pads, is it at component level?3. Also via scattered...
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Body center calculation in Export Placement
When exporting pick and place data from OrCAD PCB Designer, how is the body center calculated? Is this related to the pins, place_bound_top, or something else?
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Mechanical cutout in multilayer pcb
Hi all, I am designing a 6-layer PCB in which I need to place 'L' shaped cutouts. I have tried making them as internal board outlines which means it gets included in the board outline part of my...
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Pointer to attribute Invalid Error was Fixed
Hi All, I was making the 2 layer PCB of Gesture Control.- I went to generate my artwork only to find out I can't because there is a database error.- I check dbdoctor.log and it says "Error in Attribute...
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Share a Chinese PCB manufacturer
Share a Chinese PCB manufacturer to you who need pcbs ,PCBGOGO is a Custom PCB Prototype Manufacturer in china, With rich experience in PCB fabrication and assembly, high quality, low price, fast...
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Difference between PACK_TYPE and JEDEC_TYPE
I'm using Allegro DE HDL in conjunction with a part table file and I can't quite wrap my head around how the two mentioned properties work together. I think that JEDEC_TYPE is meant to point to the...
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With relative matched lengths setup in constraint manager I get "Field...
I setup a number of matched length groups and now I get the message "Field solution failed" during routing. How do I disable this from occurring ?
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Different GND symbols in OrCAD Capture
Hi experts,I'm working on board, which has a GND structure like below. While I found even the symbol name is different (GND_A, GND_B), while the net name is all "0". Can you tell me how to solve this...
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Which mouse and keyboard do you preffer for working with EDA design?
Hi.Which mouse and keyboard combination do you preffer for working with EDA design?/Matias
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