Electronics Computer-Aided Design

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PCB Design Houses

My research group is building a mezzanine card that contains a lot of critical nets. We have four 500MHz DSPs and a V2P...
4 comments posted 19yrs
posted by mdhicks2
4 comments posted 19yrs posted by mdhicks2

PCB Translation

Hi, anyone knows of a Altium Designer PCB (version 6) translator to Mentor Graphics or Cadence Allegro?
1 comments posted 19yrs
posted by yy7d6
1 comments posted 19yrs posted by yy7d6

RF inductors in OrCad

Does anyone know if there any OrCad libraries containing flat spiral RF inductors? If no, then if I create an equivalen...
25 comments posted 19yrs
posted by ptica27
25 comments posted 19yrs posted by ptica27

Universal "Comment" Character

Is there a universal character in ALL variations of "Spice" netlists that designates that the following text is a comme...
15 comments posted 19yrs
posted by To-Email-Use-The-Envelope-Icon
15 comments posted 19yrs posted by To-Email-Use-The-Envelope-Icon

Print 2d barcode on PCB

Hi, I hope to have chosen the right newsgroup but I didn't know where to ask. I have to print a barcode on PCB and I ha...
10 comments posted 19yrs
posted by mirko.pozzetti
10 comments posted 19yrs posted by mirko.pozzetti

DC biasing on Q2N2222

Hi, i created a simple circuir with Q2N2222, intended to bias base at 2V. Ie Ic is about 0.5mA. what I got from simulat...
8 comments posted 19yrs
posted by patrick.zou
8 comments posted 19yrs posted by patrick.zou

.model Qn NPN (Is=10f Vaf=100 Bf=100)

First time to use spice, was asked to use this BJT, didn't find in library, does this mean I should create such a BJT fr...
3 comments posted 19yrs
posted by patrick.zou
3 comments posted 19yrs posted by patrick.zou

PCB / fabrication print

Hello NG, i want send my PCB design to a manufacturer; i am new to pcb prototyping and that is why i have a question: H...
3 comments posted 19yrs
posted by J.Wankenhorst
3 comments posted 19yrs posted by J.Wankenhorst

New Electronic Design Web site

We're launching a new web site for electronics design: http://www.ElectronicDesignNet.com The site is just about to lau...
3 comments posted 19yrs
posted by PJohnson_TechnoScope
3 comments posted 19yrs posted by PJohnson_TechnoScope

Question for Altium Designer Users....

Hi, I'm currently having problem with the PCB trace length matching... I already set-up the 'Match Length Rule' and cli...
1 comments posted 19yrs
posted by yy7d6
1 comments posted 19yrs posted by yy7d6

Migrating back to OrCAD 9.x !!

Hi, I have been using OrCAD 10.5 for months, and in this relativly short time I have witnessed the program crashes a lo...
12 comments posted 19yrs
posted by jidan1
12 comments posted 19yrs posted by jidan1

Now I know about Mentor Graphics

The software I am using is Unpublished Licensed Software of Mentor Graphics. The most possible software would be Falcon...
0 comments posted 19yrs
posted by aungkokothet
0 comments posted 19yrs posted by aungkokothet

Noise Margin

Hi, I'm working on characterizing io cells. I thought of measuring Vih,Vil,Voh,Vol. I'm confused with which method to f...
0 comments posted 19yrs
posted by prakash.na
0 comments posted 19yrs posted by prakash.na