White noise generator in Pspice

[Archer]

How to generator a white noise in Pspice? The PWL file is in a
limited time. Is there some circuit that would generate white noise?

I found some disscuss before on google but it's a pity that I can't
find it now. Where should I find the former disscuss?

 

[Jim Thompson]

How to generator a white noise in Pspice? The PWL file is in a
limited time. Is there some circuit that would generate white noise?

I found some disscuss before on google but it's a pity that I can't
find it now. Where should I find the former disscuss?

PWL can be made continuously on-going. Look up "REPEAT"

...Jim Thompson

 

[iQbal]

You could setup an Digital LFSR, and filter the result to give you
band limited white noise.

I have done this some years back.

iQbal

 

[Jim Thompson]

You could setup an Digital LFSR, and filter the result to give you
band limited white noise.

I have done this some years back.

iQbal

Is this the article you found? It seems to be in PSpice-like format.

http://www.spectrum-soft.com/news/fall97/noise.shtm

In the pspcref.pdf guides:

v14.2: pages 144 and 316

v10.0i: pages 168 and 377

...Jim Thompson

 

[Archer]

Does Pspice contains a RND or White function?

 

[Jim Thompson]

"RND", yes, "WHITE", no....

RTFM under notation

Does Pspice contains a RND or White function?

...Jim Thompson

 

[iQbal]

A digital LFSR is a bunch of shift registers with an xor gate in the
feedback.
Its what the computers use to generate a random number.

just hook one up in psice using gates. The output is a maximum length
sequence, which is white.

iQBal