RE: Avionics and amazing gear made by Tatjana (was Re: Data General Nova Star Trek Rockwell Collins vs. Vaisala SPT11A)

> European tubes are easy to evaluate in that respect because the letter codes > designate what's inside. I remember the EABC80 (not sure that's the correct EABC80 _is_ the correct number. It is a triple diode triode. The number decodes as follows : E : 6.3V heater A : diode B : double

Re: Avionics and amazing gear made by Tatjana (was Re: Data General Nova Star Trek Rockwell Collins vs. Vaisala SPT11A)

> On Apr 27, 2016, at 12:49 AM, Jon Elson wrote: > > On 04/26/2016 09:47 PM, William Donzelli wrote: >>> What was the highest level of integration in a single envelope? >> Perhaps Selectrons. >> >> > There were also "Compactrons", 12-pin tubes kind of extending the 7-

Re: Avionics and amazing gear made by Tatjana (was Re: Data General Nova Star Trek Rockwell Collins vs. Vaisala SPT11A)

On 04/26/2016 09:49 PM, Jon Elson wrote: > There were also "Compactrons", 12-pin tubes kind of extending the 7- > and 9-pin submini tubes. Some of them had at least 3 elements in one > envelope. I remember them and used them. In particular, I remember an AF amplifier with push-pull beam output

Re: Avionics and amazing gear made by Tatjana (was Re: Data General Nova Star Trek Rockwell Collins vs. Vaisala SPT11A)

On 04/26/2016 07:47 PM, William Donzelli wrote: >> What was the highest level of integration in a single envelope? > > Perhaps Selectrons. EBAM?

Re: Data General Nova Star Trek (Rockwell Collins vs. Vaisala SPT11A)

On 04/26/2016 12:14 PM, Swift Griggs wrote: On Tue, 26 Apr 2016, Jon Elson wrote: Erik is not the only one. Check out Tatiana van Vark. Excellent! I've actually wondered who in the world might do something like this. Now I know. Like I said, what a cool hobby. Here's a picture of what is

Re: Avionics and amazing gear made by Tatjana (was Re: Data General Nova Star Trek Rockwell Collins vs. Vaisala SPT11A)

There were a few others, as well as some RF devices with the tuned parts inside the bulb. There were also some oddball types made for weather balloon use that had the whole transmitter circuit as one unit. -- Will On Apr 26, 2016 6:30 PM, "Chuck Guzis" wrote: On 04/26/2016

Re: Data General Nova Star Trek (Rockwell Collins vs. Vaisala SPT11A)

> On the world there is probably only my 12 bit freely programmable > Elliott 900 still alive, I know of as little as 6 Rolms (privately > owned, all variants) and less than 5 of the inertial navigators. If you are talking about the various Rolm 1600 series machines - there are a whole lot more

Re: Avionics and amazing gear made by Tatjana (was Re: Data General Nova Star Trek Rockwell Collins vs. Vaisala SPT11A)

On 04/26/2016 12:40 PM, Paul Koning wrote: > This sort of stuff doesn't seem to be all that common; I haven't seen > it elsewhere. Multiple tubes, like dual triodes or triode/heptodes > are pretty common, but those are just the active part. The only "passive in the tube" examples I can think of

Re: Data General Nova Star Trek (Rockwell Collins vs. Vaisala SPT11A)

On Tue, 26 Apr 2016, Noel Chiappa wrote: I am absolutely, completely, blown away. This has got to be one of the most amazing projects I have ever come across. I'm utterly awed by the work you did to reverse engineer this thing. Everyone should check out this site - especially the detailed

Re: Avionics and amazing gear made by Tatjana (was Re: Data General Nova Star Trek Rockwell Collins vs. Vaisala SPT11A)

> On Apr 26, 2016, at 3:07 PM, Chuck Guzis wrote: > > On 04/26/2016 10:49 AM, Paul Koning wrote: > >> That tube is interesting: it's the world's first integrated circuit. >> Yes, a hollow state integrated circuit. I describe it that way >> because it is a complete subsystem

Re: Avionics and amazing gear made by Tatjana (was Re: Data General Nova Star Trek Rockwell Collins vs. Vaisala SPT11A)

On 04/26/2016 10:49 AM, Paul Koning wrote: > That tube is interesting: it's the world's first integrated circuit. > Yes, a hollow state integrated circuit. I describe it that way > because it is a complete subsystem (in this case, a complete 3 stage > audio amplifier) rather than just something

Re: Data General Nova Star Trek (Rockwell Collins vs. Vaisala SPT11A)

> From: Erik Baigar > I wanted to have a computer using core memory and so I bought a black > box from the Tornado aircraft which contained core. This started a 10 > year yourney of analyzing it, decyphering the command set and building > tools to program it. ... I have a

Re: Data General Nova Star Trek (Rockwell Collins vs. Vaisala SPT11A)

Hi Jim, after another test using a different PC and paper tape, the paper tape reader is en route to you. I declared it as "paper tape reader for hobby use, value USD10" and that it will "return within 4 weeks". Hopefully this will prevent you from having to get into toruble with the custom

Re: Data General Nova Star Trek (Rockwell Collins vs. Vaisala SPT11A)

On Tue, 26 Apr 2016, Jon Elson wrote: problems with her SO freaking out, but who knows, perhaps she married an OCD butler. It's tough to escape the laws of the universe sometimes. :-) And I'd be interested in whether she had some help in maintaining all this outstanding equipment ;-) For

Re: Data General Nova Star Trek (Rockwell Collins vs. Vaisala SPT11A)

Erik is not the only one. Check out Tatiana van Vark. Here's a picture of what is in her DINING ROOM, the complete electronics suite from a Vulcan bomber! Yes, Tatiana is the queen of collecting this kind of stuff and she has an excellent page! There's also a video of her picking up a

Re: Data General Nova Star Trek (Rockwell Collins vs. Vaisala SPT11A)

On Tue, 26 Apr 2016, Swift Griggs wrote: On Tue, 26 Apr 2016, Erik Baigar wrote: Apart from Rolm mil-spec computers, my hobby is airborne vintage avionics and I know that Ferranti tested their intertial navigations systems for aircraft also by torturing them in a car driving around Edinburgh

Re: Avionics and amazing gear made by Tatjana (was Re: Data General Nova Star Trek Rockwell Collins vs. Vaisala SPT11A)

> On Apr 26, 2016, at 1:34 PM, Swift Griggs wrote: > ... > Just about everything on that page is drool-worthy or cool in some extreme > way. That crytograph does indeed rock and "The Inertial Navigator Platform" > looks like an artifact from The 5th Element. What's more

Avionics and amazing gear made by Tatjana (was Re: Data General Nova Star Trek Rockwell Collins vs. Vaisala SPT11A)

On Tue, 26 Apr 2016, Paul Koning wrote: > From the looks of other items on her website, that collection of airplane > gear is the *least* strange thing she has. Holy smokes I just checked and you are right! > Stuff like an encryption machine that isn't exactly an Enigma, but based > on the

Re: Data General Nova Star Trek (Rockwell Collins vs. Vaisala SPT11A)

> On Apr 26, 2016, at 1:14 PM, Swift Griggs wrote: > > On Tue, 26 Apr 2016, Jon Elson wrote: >> Erik is not the only one. Check out Tatiana van Vark. > > Excellent! I've actually wondered who in the world might do something like > this. Now I know. Like I said, what

Re: Data General Nova Star Trek (Rockwell Collins vs. Vaisala SPT11A)

On Tue, 26 Apr 2016, Jon Elson wrote: > Erik is not the only one. Check out Tatiana van Vark. Excellent! I've actually wondered who in the world might do something like this. Now I know. Like I said, what a cool hobby. > Here's a picture of what is in her DINING ROOM, the complete

Re: Data General Nova Star Trek (Rockwell Collins vs. Vaisala SPT11A)

On Tue, 26 Apr 2016, Erik Baigar wrote: Apart from Rolm mil-spec computers, my hobby is airborne vintage avionics and I know that Ferranti tested their intertial navigations systems for aircraft also by torturing them in a car driving around Edinburgh in Scotland... Erik is not the only one.

Re: Data General Nova Star Trek (Rockwell Collins vs. Vaisala SPT11A)

On Tue, 26 Apr 2016, Erik Baigar wrote: > Apart from Rolm mil-spec computers, my hobby is airborne vintage avionics > and I know that Ferranti tested their intertial navigations systems for > aircraft also by torturing them in a car driving around Edinburgh in > Scotland... That is an interesting

Re: Data General Nova Star Trek (Rockwell Collins vs. Vaisala SPT11A)

Hi Sherman! On Tue, 26 Apr 2016, Sherman Foy wrote: under the heading of d??j?? vu, if this unit is a Rockwell Collins mil hand paper tape puller, my old roommate ran the qualification tests on Hm, the reader is a Vaisala SPT11A and I searched the internet for readers from Rockwell Collins.