RE: Rescue update: DEC RC-25s + / was Re: DEC cartridge ID

2015-06-02 Thread Robert Armstrong
> Three RC-25 drives with a dozen-or-so cartridges. We know at least one drive works. If you actually get an RC-25 drive working, I'd love to hear about it. I have three RC25s (one actually in my 11/725 and two spares) and none of them work. They were never very reliable drives, even when bra

Re: Datasaab D12

2015-06-02 Thread Pontus Pihlgren
On Mon, Jun 01, 2015 at 07:17:34AM -0700, Lee Courtney wrote: > Hej Pontus - > > Very, very nice. I'm sure you already know this but there is a Nordic > computing history group on Facebook, somewhat active, that may be of help. > Link: https://www.facebook.com/groups/HiNC4/ I did not, I'll take a

Re: Datasaab D12

2015-06-02 Thread Lee Courtney
Hej Pontus - Very, very nice. I'm sure you already know this but there is a Nordic computing history group on Facebook, somewhat active, that may be of help. Link: https://www.facebook.com/groups/HiNC4/ And a group of former Datasaab employees (based in Linköping?): datasaab.se Good luck, keep u

Re: 8-bit Computer TV Channel Use

2015-06-02 Thread Alan Hightower
On 2015-06-01 20:24, Mark J. Blair wrote: > I'm also working on getting design details from Silicon Labs for one of their > inexpensive single-chip TV tuners under NDA. If the Crazy Cat Lady project > moves forward, that chip might come in handy. If I use that chip, I'll need > to consider

Re: 8-bit Computer TV Channel Use

2015-06-02 Thread Chris Elmquist
On Monday (06/01/2015 at 07:39PM -0700), Mark J. Blair wrote: > > > On Jun 1, 2015, at 19:31, Chris Osborn wrote: > > This one looks exactly like yours, but it’s even cheaper! I wonder if it’s > > the same? > > > > http://www.amazon.com/dp/B009A6PJKQ > > When you get it, we can compare picture

Re: 8-bit Computer TV Channel Use

2015-06-02 Thread Mark J. Blair
> On Jun 2, 2015, at 08:25, Alan Hightower wrote: > As far as the crazy cat lady project, as I was trying to explain > earlier.. my $.02 which maybe redundant to your own thoughts: You did inspire my choice of project name! :) > > VIDEO ADC/DECODER > > You can certainly use an off-the-shelf

Re: 8-bit Computer TV Channel Use

2015-06-02 Thread Mark J. Blair
I just noticed that the Si2137 and Si2177 tuners are now marked as "factory special order" and Mouser, where they were previously just marked "New at Mouser". So my guess that those parts are a leftover tray with questionable future availability might be unpleasantly accurate. I'm still interes

Re: 8-bit Computer TV Channel Use

2015-06-02 Thread Alan Hightower
On 2015-06-02 11:47, Mark J. Blair wrote: >> After that, you will need something fairly hefty at the start to find the >> characteristics of the signal and align the sampling. Then you just need to >> track clock drift and adjust a VCXO. > > I was wondering whether I could get away with tra