Re: Can a Logic Analyzer be used for video capturing

From: mike (spamme0_at_netscape.net)
Date: 03/17/05 

Date: Wed, 16 Mar 2005 16:22:47 -0800

benn686@hotmail.com wrote:
> Ive been looking at a couple of usb logic analyzers, but it occured to
> me, is it feasible to also use it as a slow video capture?

Of course it can store the output of an A/D converter. Emphasis on the
slow. If you put an A/D in front of a logic analyzer, you get a DSO.

>
> How can I determine if its fast/deep enough to capture a full frame of
> digital data going out to a dac for rs-170? Is there a formula?

Length of time you want to capture / sampling rate = memory depth

So, the answer to your question is yes, but doing anything useful is
unlikely.
mike

>
>
> USBEESX: 8 Channel, Signal Generation Capability, i2c/spi monitor, 24
> Msps$295: http://www.usbee.com/comp.html
> LogicPort: 34 Channel, No Signal Generation Capability, $380:
> http://www.pctestinstruments.com/
>
> Ben
> 

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