Replicas - was Re: *** Ideas needed for developing interactive

From: Peter C. Wallace <pcw_at_mesanet.com>
Date: Mon Sep 13 12:28:05 2004

On Mon, 13 Sep 2004, Paul Koning wrote:

> >>>>> "Peter" == Peter C Wallace <pcw_at_mesanet.com> writes:
>
> Peter> On Sun, 12 Sep 2004, Ethan Dicks wrote:
> >> On Sat, Sep 11, 2004 at 10:29:49PM -0600, Ben Franchuk wrote: > So
> >> what about memory? Transistor too? > A PDP-8/S would be a good
> >> model to pick from. Note you need a lot of SMT > diodes resistors
> >> too.
> >>
> >> There are approximately 1000 transistors in a PDP-8/S (plus lots
> >> of diodes and resistors and the core stack). Even with SMT,
> >> that's a lot of square footage.
> >>
>
> Peter> Ignoring memory, I'm pretty sure could get 1000 transistors +
> Peter> support parts/diodes on a 12x12" card. Doing the component
> Peter> placement would be a pain however.
>
> Why? A good light, magnifying glass or small stereo microscope, fine
> tip soldering iron, fine solder, and flux -- plus patience. No sweat.
>
> paul

Oh not so much assembly, though that would be a might bit tedious by hand,
what I was talking about was the first part of the PCB layout: Placement

>

Peter Wallace
Received on Mon Sep 13 2004 - 12:28:05 BST