Re: Basic queries on using LT Spice

From: Terry Pinnell (terrypinDELETE_at_THESEdial.pipex.com)
Date: 11/30/04 

Date: Tue, 30 Nov 2004 11:11:15 +0000

Tony Williams <tonyw@ledelec.demon.co.uk> wrote:

>In article <csfoq0dbgbvv6aiqq37ua6tnf27le3p57s@4ax.com>,
> Terry Pinnell <terrypinDELETE@THESEdial.pipex.com> wrote:
>> These are very basic questions, some no doubt in the Duh!
>> category. FWIW I've read the tutorial, albeit quickly. But a few
>> quick pointers from the established LT Spice users could save me
>> hours please! Or maybe there is an existing source for learning
>> practical details which I've not yet found? I'm so familiar with
>> CM that getting comfortable with LT Spice may take me a while,
>> but I'd like to master it as its simulation facilities are
>> plainly superior.
>
> LTSpice is my first Spice ever, so can't really answer
> many of your questions Terry..... but I do have to say
> that I'm mightily impressed with some of the simulations
> it has done on known circuits.
>
>
>> 3. In the absence of such indicators, suppose I just choose the
>> first and get a plot headed 'V(n001)'. Can I *now* get the
>> schematic to show that choice? Is there any other way of finding
>> what voltage or current I'm seeing, apart from clicking each node
>> with the cursor and observing the result?
>
> Left click in the schematic window to make that window the
> one with the input focus. Then wander around around nodes
> and components to see the scope probe or current display
> being offered. As each one is offered it's description
> in given down in the bottom left corner, in text.
>
>> 6. To edit the schematic, I take it you must first close all
>> plots?
>
> No, just left-click in the schematic window to make it the
> active window. When done, re-run the simulation and a new
> plot will overwrite the old one.
>
>> 10. For a Transient Analysis, with whatever defaults running,
>> what are the steps for changing the key parameters: Start Time,
>> Stop Time, Step Time, Max Step Time.
>
> Drop down the 'Simulate' pane, 'Edit Simulation Cmd' is
> the bottom option.

Thanks Tony. 3 down, 7 to go. Until my next 10 <g>. 

-- 
Terry Pinnell
Hobbyist, West Sussex, UK
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