Electronics Computer-Aided Design

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Question about Altium

I am trying to evaluate some of the lower-end PCB design packages to select one for use in my workplace. So far, Altium...
2 comments posted 20yrs
posted by doug.hunter
2 comments posted 20yrs posted by doug.hunter

Spice model for the 2sk170

There seem to be several models for the 2sk170 out there that have fairly different parameters. Is there one that we kno...
1 comments posted 20yrs
posted by kensmith
1 comments posted 20yrs posted by kensmith

OT: We Have RAIN!

Woke up two hours ago to RAIN! It's still coming down nice and steady! Hallelujah! It last rained 142 days ago. ...Jim...
44 comments posted 20yrs
posted by To-Email-Use-The-Envelope-Icon
44 comments posted 20yrs posted by To-Email-Use-The-Envelope-Icon

Announcement

My 17th patent, issued last Tuesday, is now posted on my website (spread spectrum for WiFi). ...Jim Thompson -- | James...
21 comments posted 20yrs
posted by To-Email-Use-The-Envelope-Icon
21 comments posted 20yrs posted by To-Email-Use-The-Envelope-Icon

Simple PCB program

Guys, i'm now trying to draw the PCB for my Ethernet system. It's just a simple single layer PCB. What's the simplest p...
1 comments posted 20yrs
posted by vcteo1
1 comments posted 20yrs posted by vcteo1

Best PCB to PCB connectors

I need to link up/attach two pcb's together. Whats the best connector for the bus lines? I need at least 40 pins. Someo...
13 comments posted 20yrs
posted by him
13 comments posted 20yrs posted by him

PSpice stud. mixed mode A/D

PSpice 9.1 student I have a Schmitt Trigger with an op.amp. If i try to drive a TTL AND with the output of this op.amp....
2 comments posted 20yrs
posted by none
2 comments posted 20yrs posted by none

Plotting transimpedence vs. frequency - how?

I thought this would be simple, but how do I plot transimpedence gain in PSpice. I have OrCAD 10.5 full suite, so PSpice...
3 comments posted 20yrs
posted by vmykhayl
3 comments posted 20yrs posted by vmykhayl

Simple spice 3 question

Hi, the spice 3 manual (http://newton.ex.ac.uk/teaching/CDHW/Electronics2/userguide/sec3.html) says this: DC/TRAN is th...
0 comments posted 20yrs
posted by 63q2o4i02
0 comments posted 20yrs posted by 63q2o4i02

CadStar .pcb to .cdi conversion

I need to import a CadStar .pcb reference design from http://www.chipcon.com/files/CC2420EM_Reference_Design_1_11.zip. M...
1 comments posted 20yrs
posted by dtankskip
1 comments posted 20yrs posted by dtankskip

Intercept Pantheon opinions?

I've come across Intercept Pantheon as a possible candidate for new PCB design software, can anyone is using/has used i...
0 comments posted 20yrs
posted by hq105862
0 comments posted 20yrs posted by hq105862

user experiences of Altium Designer?

Hi, I'm seeking out a new PCB design package, and have been pointed to look at Altium Designer from someone in the grou...
2 comments posted 20yrs
posted by hq105862
2 comments posted 20yrs posted by hq105862

SPICE - Frequency dependent resistor model

Hi, I would like to know if there is any way to include a resistor with frequency dependence in SPICE. Specifically, I...
10 comments posted 20yrs
posted by aravindalwan
10 comments posted 20yrs posted by aravindalwan

LF: benchmarks for circuit simulators

Hello, I am trying to choose a circuit simulator, so I'm looking for benchmarks of various circuit simulators. By Googl...
1 comments posted 20yrs
posted by renan
1 comments posted 20yrs posted by renan