Heathkit EC-1

From: Peter C. Wallace <pcw_at_mesanet.com>
Date: Thu May 1 14:35:01 2003

On Thu, 1 May 2003, steve wrote:

> --- "Peter C. Wallace" <pcw_at_mesanet.com> wrote:
>
> > Actually all analog computers are _not_ the same.
> >
> > For example: Resistive Sheet computers are very
> > different....
> >
>
> You typically use resistive sheets with op amps no? I
> just look at resistive sheets as an accessory of a
> analog computer like the EC-1, just like caps,
> discrete resistors and wires are accessories.


The resistive sheet devices are a whole different class of device and
do not need OP amps at all to do "calculations"


>
> But can I get a bunch of resistors and a power supply
> and call it an analog computer, sure I can, I guess I
> should of said "typical commercially available widely
> used analog computers"

Resistive sheet computers were sophisticated commercial devices, not a "bunch
of resistors" I have seen a couple of them so I doubt that they are all that
obscure...


>
>
> > PCW
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Peter Wallace
Received on Thu May 01 2003 - 14:35:01 BST

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