[sdiy] Re: S[DIY} frequency counter

[Kyle Stephens]

Tubes have been done at least...

http://www.dailymotion.com/video/k1yoF5gohFeqBfryFm

It does pose an interesting question though, what is the "scratch" from whence you start working from. Though that may be getting increasingly OT ;)


_Kyle

--- On Fri, 10/30/09, Jerry Gray-Eskue <jerryge at cableone.net> wrote:

> From: Jerry Gray-Eskue <jerryge at cableone.net>
> Subject: RE: [sdiy] Re: S[DIY} frequency counter
> To: Synth-diy at dropmix.xs4all.nl
> Date: Friday, October 30, 2009, 9:13 PM
> 
> Make your own transistors ??? That too new fangled, build
> Vacuum Tubes with a Bunsen burner, and roll your own caps
> with Mom's Aluminum Foil...
> 
> - Jerry
> 
> -----Original Message-----
> From: synth-diy-bounces at dropmix.xs4all.nl
> [mailto:synth-diy-bounces at dropmix.xs4all.nl]On
> Behalf Of Harry Bissell
> Sent: Friday, October 30, 2009 8:05 PM
> To: cheater cheater
> Cc: Dave Manley; Synth-diy at dropmix.xs4all.nl
> Subject: Re: [sdiy] Re: S[DIY} frequency counter
> 
> 
> Make your own transistors ??? When I was a kid we had to
> mine copper ore
> from the hills with our bare hands, smelt it over a
> charcoal fire, then draw the wire out
> with our teeth...
> 
> (who remembers that thread ??? :^)
> 
> H^) harry
> 
> 
> 
> ----- Original Message -----
> From: cheater cheater <cheater00 at gmail.com>
> To: Dave Manley <dlmanley at sonic.net>
> Cc: Synth-diy at dropmix.xs4all.nl
> Sent: Fri, 30 Oct 2009 16:16:40 -0400 (EDT)
> Subject: Re: [sdiy] Re: S[DIY} frequency counter
> 
> I think the consideration here is whether you just want to
> 'Do It', or
> if you are concentrating on the 'Yourself'.
> If you're concentrating on the 'Yourself' then I won't be
> happy until
> you make your own transistors out of germanium crystals.
> ;-)
> 
> D.
> 
> On Fri, Oct 30, 2009 at 20:06, Dave Manley <dlmanley at sonic.net>
> wrote:
> > cheater cheater wrote:
> >>
> >> I find Bill's idea very neat actually
> >>
> >> Using chips that were made for what you're trying
> to do... wild idea I
> >> know
> >>
> >> D.
> >>
> >> On Thu, Oct 29, 2009 at 23:17, Magnus Danielson
> >> <magnus at rubidium.dyndns.org>
> wrote:
> >>>
> >>> bill bigrig wrote:
> >>>>
> >>>> Howdy
> >>>>  Intersil 7208 + 7207 + 3130 + 7
> digit common cathode display. Details
> >>>> on
> >>>> page 470 of 'The CMOS Cookbook'.
> >>>
> >>> Yes, where is the fun in that? No mad
> scientist style.
> >
> > It depends on your goal. If you're trying to learn
> something about digital
> > design, and this group is about doing it yourself,
> then using a few
> > (obsolete?, unavailable?) chips that do everything for
> you and wiring it up
> > per a datasheet is fairly pointless.  You may as
> well go buy a cheap
> > multimeter with built-in freq counter, gut it out of
> its case, and stick it
> > on a panel.
> >
> > -Dave
> >
> > _______________________________________________
> > Synth-diy mailing list
> > Synth-diy at dropmix.xs4all.nl
> > http://dropmix.xs4all.nl/mailman/listinfo/synth-diy
> >
> 
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> -- 
> Harry Bissell & Nora Abdullah 4eva
> 
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