On Apr 15, 2009, at 8:55 AM, joseda wrote:
>
> That was the trick! I fixed by adding a new voltage source of -15V
> (i called
> Vee)
>
> But why is not -Vcc the same as Vcc multiplied by -1?
Vcc is only a name of a network.
> Vcc is 15V
V(Vcc) is 15V. Vcc is just a name. Now in *some* cases,
That was the trick! I fixed by adding a new voltage source of -15V (i called
Vee)
But why is not -Vcc the same as Vcc multiplied by -1?
Vcc is 15V so -Vcc should be -15 V but it doesn't work this way!!
Anyway, thanks!
You have a node named "-Vcc". You haven't attached this node to
anything ou
On Apr 15, 2009, at 6:47 AM, joseda wrote:
>
> I'm trying to simulate an astable multivibrator with ngspice, but
> the graphic
> i get is odd.
...
> XU1 1 2 Vcc -Vcc 3 uA741
>
...
> The voltage drop below 400V what's the problem?!!
>
You have a node named "-Vcc". You haven't attached this
I'm trying to simulate an astable multivibrator with ngspice, but the graphic
i get is odd. I simulated the same circuit with qucs and ยก didn't have any
problem. I'm trying to figure out where the problem is.
This is the netlist:
*
*vvv
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