SBC6120 (a build-it-yourself PDP-8 clone) grammer checked

Roy J. Tellason rtellason at verizon.net
Fri Jun 16 18:15:14 CDT 2006


On Friday 16 June 2006 07:00 pm, woodelf wrote:
> Tony Duell wrote:
> >>Heck I was thinking of Ne bulbs for a computer. :)
> >
> > I seem to remember that Lindsay Books have reprinted at least one old
> > book on making neon signs :-)...
>
> Ok ... A neon bulb for 'One'  and 'Zero' that flashes on and off.
>
> > More seriously, there is a useful book called 'Cold Cathode Tube Circuit
> > Design' that contains circuits for using neon bulbs as counters and shift
> > registers. However, I don't think this book has been reprinted, and it's
> > not cheap second-hand (no, my copy is not for sale!)
>
> Since you got more books than me, Do you have anything on the
> frequency response of 0b2 voltage regulator with the standard .01 uf
> bi-pass cap? I was hopeing to use a few in my latest amp?

I don't recall anything about the frequency response of those,  but you might 
find the datasheet helpful,  which can be accessed at my tubes page,  at:

http://www.classiccmp.org/rtellason/tubes.html

and I also happen to be downloading a bunch of related material from here:

http://www.electricstuff.co.uk/oldbooks.html

some of which might help...

-- 
Member of the toughest, meanest, deadliest, most unrelenting -- and
ablest -- form of life in this section of space,  a critter that can
be killed but can't be tamed.  --Robert A. Heinlein, "The Puppet Masters"
-
Information is more dangerous than cannon to a society ruled by lies. --James 
M Dakin




More information about the cctech mailing list