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Thank you all, for your kind reply. I know how to simulate the circuit and get the result with S-parameter model. Earlier I have received models for connector also. I have only step file. I know that HFSS can do S-parameter modeling. I'm just beginner in HFSS. I have to learn this tool but this...
I am working on client project and can't share any data here. Connector has 12 pins in two row. (Similar as berg strip)
Please, let me know steps involved in S-parameter extraction for such type of connector module.
I have Step module of board to board connector. To simulate complete circuit, I need S-parameter of this connector. Please help me, how to generate S-parameter model from a STEP file.
I am simulating one connector in HFSS. I have assigned different materials for pins (Copper alloy) and body (Polyester). While validating, I am getting error of intersection. How to remove or ignore this error? please help. I'm new in HFSS.
Hi Follow these steps-
1. Create pad for ball grids of size defined in datasheet. (tool- cadence> Pad designer)
2. open Allegro editor.
File>new -->package symbol> add package name
3. set the grid as per your requirement.
4. Add library path for pad and psm files.
5. go to Layout> choose pins...
I spent lot of time to solve this, but got puzzled in numbers. 149, two logic gates. then in second picture some formulas and numbers.
Can you post the answer? If it is personal then, leave it.
Hats off to this guy.
I can suggest you to use wiki redmine. it is user friendly. I have experience with this tool. it is helpful to me to manage several projects on single platform. you can create project wise pages. where you can track your work effort. if a team is involve in project, individuals work also can be...
There are several project/task management tools are available for free. you can check "redmine wiki" tool for your purpose.
Also, you can manage your task on online tools like- Teamwork
Hi all,
I am doing HFSS simulation for combination of FR4 PCB and Metal PCB. My simulation failed after running several hours. There was a warning message-"Geometry Stitch Failed. Falling back to backup process".
I'm using HFSS 15.0 (64 bit) for analysis.
Can anyone give me idea what is this...
Ansys Siwave imports two files to open any design.
1. Ansoft Neutral File V2 (*.ANF)
2. Siwave Component file (*.CMP)
to export .BRD file to .ANF & .CMP files, you need to install ANSYS GUI (comes with Siwave) on the system on which cadence is installed. After installation you'll find Ansys...
There are two types of Differential Pairs – ODD mode and EVEN mode. ODD mode is more commonly used.
- Signals have return path on adjacent layer.
- Impedance of differential signal depends on: height of substrate, width and thickness of trace, spacing between traces.
- Impedance also...
Hi Balamani,
for DDR2 timing analysis, please follow datasheets(processor) timing diagram. you have to map timing delay between clock to DQS, then DQS to DQ. CLK to Address and Command.
If you can share part name/ datasheet of processor. I can guide you in timing budget calculation.
For...
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