[sdiy] OT:? Lissajous

[Scott Stites]

Back when I started working where I'm working now ('88 or so), one of the other techs took the demod from the 10.7 MHz receiver module of one of our communications monitors and interfaced it to his bench scope.  Lousy picture, mirror reversed, but there he was watching his green little TV when I happened to walk by his bench.

I didn't pay too much attention to how he did it; I was more worried about calibrating the damn things and keeping my job.  He was one of those guys that could do a night's work in the first couple of hours (this was third shift) and play the rest of the night.....

-----Original Message-----
>From: Grant Richter <grichter at asapnet.net>
>Sent: Apr 27, 2006 4:45 PM
>To: James Dunn <james at 4thharmonic.com>
>Cc: Synth DIY <synth-diy at dropmix.xs4all.nl>
>Subject: Re: [sdiy] OT:? Lissajous
>
>Film it with a video camera (ha, ha), expect lots of visible  
>frequency aliasing.
>
>A lissajous figure is an example of "vector" graphics. A video signal  
>is an example of "raster" graphics.
>They are incompatible, this problem continues in computer file  
>formats to this day. Converting from one format to the other is just  
>not that easy.
>
>On Apr 27, 2006, at 12:40 PM, James Dunn wrote:
>
>> Hi all,
>>
>> I just got a scope and am currently fascinated by lissajous  
>> figures. At the moment my Arp 2600 is going into the scope and  
>> making some great patterns. Does anyone know if there is a way to  
>> get a video/TV signal out from the scope?
>>
>> Thanks in advance,
>>
>> James
>


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