Electronics Computer-Aided Design

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Photodiode Question

What current would one expect to see from a photodiode exposed to typical bright room light (used to control a backligh...
65 comments posted 16yrs
posted by To-Email-Use-The-Envelope-Icon
65 comments posted 16yrs posted by To-Email-Use-The-Envelope-Icon

correct spice modelling of zener noise

I'm looking for a subcircuit for Spice which models noise produced by a diode in its breakdown region correctly. regards...
1 comments posted 16yrs
posted by hugocoolens
1 comments posted 16yrs posted by hugocoolens

Analog Switch Subcircuit

I posted this to the LTspice group, but thought it might be of interest here... a 4016 switch... (Caution the MOS devic...
5 comments posted 16yrs
posted by To-Email-Use-The-Envelope-Icon
5 comments posted 16yrs posted by To-Email-Use-The-Envelope-Icon

uP/uC Floating Pins?

When a uP or uC is exercising its POR cycle, what are the states of the output pins? Floating, or held low, or what? Pa...
19 comments posted 16yrs
posted by To-Email-Use-The-Envelope-Icon
19 comments posted 16yrs posted by To-Email-Use-The-Envelope-Icon

for Jim Thompson OT re censorship of John McCain

Apologies for off topic, but thought Jim would enjoy this: Sunday Feb 28th, we waited to watch one of those political s...
8 comments posted 16yrs
posted by macy
8 comments posted 16yrs posted by macy

OT: SLR Cameras

SLR Cameras... recommendations? ...Jim Thompson -- | James E.Thompson, CTO | mens | | Analog Innovations, Inc. | et | |...
37 comments posted 16yrs
posted by To-Email-Use-The-Envelope-Icon
37 comments posted 16yrs posted by To-Email-Use-The-Envelope-Icon

Eagle and Multisim

I have tried to use both programs to draw my circuit diagram (that I'm using from a building guide) and generate PCB di...
1 comments posted 16yrs
posted by stanigator
1 comments posted 16yrs posted by stanigator

Light Bulb "Medium Base"

I'm having a senior moment (I'm entitled, 12 days to the big 7-0)... Is a Light Bulb "Medium Base" a _standard_ ordinar...
27 comments posted 16yrs
posted by To-Email-Use-The-Envelope-Icon
27 comments posted 16yrs posted by To-Email-Use-The-Envelope-Icon

Soldering Iron Recommendations?

I have an absolutely ancient Weller WTCPN soldering station that is disintegrating... it's probably at least 33 years o...
40 comments posted 16yrs
posted by To-Email-Use-The-Envelope-Icon
40 comments posted 16yrs posted by To-Email-Use-The-Envelope-Icon

LTspice to PSpice Conversion?

Anyone know if there's an LTspice to PSpice Schematics converter? And vice versa? It seems it should be relatively easy...
1 comments posted 16yrs
posted by To-Email-Use-The-Envelope-Icon
1 comments posted 16yrs posted by To-Email-Use-The-Envelope-Icon

Anyone imported/export WinQCad <-> OrCad?

Question: WinQCad (MicroCad?) is supposed to import and export OrCad schematics/library parts. Has anyone actually trie...
6 comments posted 16yrs
posted by invalid
6 comments posted 16yrs posted by invalid

IBIS2SPICE Utility?

Anyone here used IntuSoft's IBIS2SPICE utility? Pointers? Problems? Work-arounds? ...Jim Thompson -- | James E.Thompson...
6 comments posted 16yrs
posted by To-Email-Use-The-Envelope-Icon
6 comments posted 16yrs posted by To-Email-Use-The-Envelope-Icon

Interesting Twist On Cockcroft-Walton Pump

Here's an interesting twist on the Cockcroft-Walton Pump that I found while searching thru my files looking for audio e...
18 comments posted 16yrs
posted by To-Email-Use-The-Envelope-Icon
18 comments posted 16yrs posted by To-Email-Use-The-Envelope-Icon

Black inks

I don't know where else to post this question and just thought someone in this CAD group can be of help. I have some HP...
3 comments posted 16yrs
posted by mikerbgr
3 comments posted 16yrs posted by mikerbgr