Re: LTspice .tran difficulty

From: dg (natures_kid_at_yahoo.com)
Date: 07/23/04 

Date: 23 Jul 2004 15:28:26 -0700

Thanks a lot Mike. That FIXED the problem!!!! I had thought that M and
G prefixes meant Mega and Giga in spice. i may have to double-check
that.
Deji

"Mike Engelhardt" <nospam@spam.org> wrote in message news:<zebMc.426$NO.51@newssvr27.news.prodigy.com>...
> Deji,
>
> > I am having difficulty performing a transient analysis of 2N2222
> > phillips transistor (provided by LTspice). This is my 1st time using
> > LTspice ...i successfully simulated the I-V curves and load line of
> > the transistor with a DC sweep but doing the transient has been
> > baffling. I put a similar circuit in ADS and it worked as expected.
> > Does anyone have any ideas? The netlist is below.
> >
> > -----------spice netlist --------------
> > * C:\Program Files\LTC\SwCADIII\dejia\CE_amp_small_signal.asc
> > Q1 Vo N001 0 0 2N2222
> > Vcc N002 0 5
> > R1 N002 Vo 1000
> > Vin N001 0 SINE(0.68071 0.1 10M 10n)
> > .model NPN NPN
> > .model PNP PNP
> > .lib C:\Program Files\LTC\SwCADIII\lib\cmp\standard.bjt
> > .tran 0 1000n 0n 1n
> > .backanno
> > .end
>
> The "10M" for the frequency of the sine wave is understood as
> 10 milliHertz. If you change it to "10Meg", you'll probably get
> want you meant.
>
> --Mike