[sdiy] Resistors similar to vintage Allen-Bradley...

[cheater cheater]

Hi Dave,
really interesting article, I have all but forgotten about the
dependency of resistance on voltage in a carbon resistor.

However, the author does jump to conclusion. Having found one effect
which works very notably on signals in the high-voltage range, he
concludes there is no unusual effect in other ranges. He doesn't
explain the inner workings of the mechanism he has found either.

One could easily imagine a fun carbon-resistor filter :) Or maybe
resistor-ladder :) I wonder with what circuit you could maximize the
voltage-dependency of resistance.

Cheers,
D.

On Thu, Feb 7, 2013 at 8:59 PM, Dave Kendall <davekendall at ntlworld.com> wrote:
> An article that may be of interest here;
> http://www.geofex.com/article_folders/carbon_comp/carboncomp.htm
>
>
> cheers,
> Dave
>
>
> On 7 Feb 2013, at 13:29, Jean-Pierre Desrochers wrote:
>
>> Hi list,
>>
>> I just discovered the following resistors line from
>> Stackpole Electronics Inc sold at Digikey:
>>
>> http://www.seielect.com/catalog/SEI-RC.pdf
>>
>> They have exactly the same look of 60's 70's Allen-Bradley type.
>> Do anybody have something to share about these resistors ?
>> I'm considering to buy some in the next days..
>> 1/4w for my synth projects and 1/2w for my tube amp restorations..
>>
>> JP
>>
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