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Can't afford P-Spice, OrCad or Protel - what are my best options?

T

Tony

Jan 1, 1970
0
Hi,

I've used mostly Protel tools in the past - schematic capture, sim and
PCB layout, from PCB2 (DOS) right through to DXP/2004 - but those
tools were all owned by my employer or client. The pre-'99 simulators
left me cold, but I found most of the rest quite functional for their
day.

Now, faced with a need to create designs independently, and the high
cost of Protel (even 2nd hand), I need to re-evaluate. I'd like to
spend as little as possible (but a few $k would probably be OK) for
the best value-for-money, complete, viable long-term solution
possible.

I know I can try out most software quite easily, but to really get
productive on all this would take a significant learning curve. I can
barely steal the time to do this once, after which I would probably
tend to just stick with whatever it was. So your input up front would
be greatly appreciated. What "value-for-money" parts or combination
might best fill my needs, and what are the pros/cons?

Related issues:

I've always captured simulation schematics separately from the "real"
project schematic (the sim schematics tended to be a small
sub-circuit, but included models). Is this common? Or are there
elegant ways to combine the two?

Finally, I've noticed that Proteus' sim software can include full
PIC/AVR/851 simulation. Has anyone tried this? Do any other sim makers
offer this kind of functionality (it sounds great for my designs,
where typically the hardware and software interact heavily)?

Tony (remove the "_" to reply by email)
 
C

Chaos Master

Jan 1, 1970
0
Data received from Tony on port COM1:
I know I can try out most software quite easily, but to really get
productive on all this would take a significant learning curve. I can
barely steal the time to do this once, after which I would probably
tend to just stick with whatever it was. So your input up front would
be greatly appreciated. What "value-for-money" parts or combination
might best fill my needs, and what are the pros/cons?

I like:

- EAGLE for schematics/PCB (takes a while to learn but it's very good IMHO).
Free for personal use for small designs. Licenses aren't very expensive either.

- LTSpice for simulations. Free

or

- SuperSpice. Full version isn't free, but not expensive either.

DISCLAIMER: I AM IN NO WAY RELATED TO ANY SOFTWARE DEVELOPER!


[]s
--
Chaos Master®, posting from Brazil. REPLY TO GROUP!
"People told me I can't dress like a fairy.
I say, I'm in a rock band and I can do what the hell I want!"
-- Amy Lee

Note: this e-mail address goes to /dev/null.
 
K

Kevin Aylward

Jan 1, 1970
0
The free demo is fine.

And to re-iterate. If you use the hierarchy feature of SS, you can get
30*25=750 real components in the free demo. That is, place 30 blocks on
the top level that connect to lower level schematics that contain 25
components each.

Kevin Aylward
[email protected]
http://www.anasoft.co.uk
SuperSpice, a very affordable Mixed-Mode
Windows Simulator with Schematic Capture,
Waveform Display, FFT's and Filter Design.
 
L

Leon Heller

Jan 1, 1970
0
http://www.geocities.com/leon_heller
Tony said:
Hi,

I've used mostly Protel tools in the past - schematic capture, sim and
PCB layout, from PCB2 (DOS) right through to DXP/2004 - but those
tools were all owned by my employer or client. The pre-'99 simulators
left me cold, but I found most of the rest quite functional for their
day.

Now, faced with a need to create designs independently, and the high
cost of Protel (even 2nd hand), I need to re-evaluate. I'd like to
spend as little as possible (but a few $k would probably be OK) for
the best value-for-money, complete, viable long-term solution
possible.

I know I can try out most software quite easily, but to really get
productive on all this would take a significant learning curve. I can
barely steal the time to do this once, after which I would probably
tend to just stick with whatever it was. So your input up front would
be greatly appreciated. What "value-for-money" parts or combination
might best fill my needs, and what are the pros/cons?


Download the Pulsonix demo: http://www.pulsonix.com

and join the users group: http://groups.yahoo.com/group/PulsonixUG/

It's cheaper than Protel, OrCAD etc. and *much* easier to use.

Leon
 
B

Bill Sloman

Jan 1, 1970
0
Tony said:
Hi,

I've used mostly Protel tools in the past - schematic capture, sim and
PCB layout, from PCB2 (DOS) right through to DXP/2004 - but those
tools were all owned by my employer or client. The pre-'99 simulators
left me cold, but I found most of the rest quite functional for their
day.

Now, faced with a need to create designs independently, and the high
cost of Protel (even 2nd hand), I need to re-evaluate. I'd like to
spend as little as possible (but a few $k would probably be OK) for
the best value-for-money, complete, viable long-term solution
possible.

This is really a question for sci.electronics.cad

You might look at

http://www.terrypin.dial.pipex.com/ECADList.html

which is a pretty comprehensive list.

If you like Linux, take a look at the gEDA web-site

http://www.geda.seul.org/

which describes a fairly comprehensive design package - and if you
don't like what it does you can hack the source code, or talk to
people who regularly do.
 
Y

Yzordderex

Jan 1, 1970
0
I agree LTspice for simulator is good. Yahoo site as well. Express
pcb is free download and does ok for layouts.

regards,
Bob
 
L

Leon Heller

Jan 1, 1970
0
john jardine said:
[clip]
LeonCongrats on winning that 'Electronics Weekly' technology prize. Neat idea
!

Thanks. I happened to have golf on the TV whilst I was thinking about a
suitable entry. I don't know much about the game, but I did know that moving
the head whilst hitting the ball is a bad thing to do, and I've used those
accelerometers before.

Leon
 
J

john jardine

Jan 1, 1970
0
[clip]
LeonCongrats on winning that 'Electronics Weekly' technology prize. Neat idea !
 
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