Use of digital oscopes when testing vector boards?

I have a couple of old analog scopes (A tenma and a tek). The Tenma
controls are getting tired and they are both kind of big to lug around to
the back of a game. I picked up a Fluke scope meter 105b but it appears to
not have an XY mode L

I am thinking about getting one of the newer digital units (much more
portable).

Things like:

Atten

http://www.ebay.com/itm/ws/eBayISAPI.dll?ViewItem
<http://www.ebay.com/itm/ws/eBayISAPI.dll?ViewItem&item=320949414562+&item=3
20949414562&vectorid=229466>
&item=320949414562+&item=320949414562&vectorid=229466

Rigol

http://www.ebay.com/itm/Brand-New-Rigol-Digital-Storage-Oscilloscope-DS1102E
-100MHz-1Gs-S-2-Channels-/160848727649?pt=BI_Oscilloscopes
<http://www.ebay.com/itm/Brand-New-Rigol-Digital-Storage-Oscilloscope-DS1102
E-100MHz-1Gs-S-2-Channels-/160848727649?pt=BI_Oscilloscopes&hash=item257354c
e61> &hash=item257354ce61

Or a used Tek:

http://www.ebay.com/itm/Tektronix-TDS-1002B-/300746471312?pt=BI_Oscilloscope
s
<http://www.ebay.com/itm/Tektronix-TDS-1002B-/300746471312?pt=BI_Oscilloscop
es&hash=item4605e2f790> &hash=item4605e2f790

I borrowed a TDS220 to try and the display from a battle zone was chunky but
you could tell that the board was running. Couldn't really read the rom
error numbers.

I don't see any of these having a z channel which would make them more
useful for vector testing (to blank the display when beam is moving from
line to line).

The Atten and Rigol are both color models and they all appear to have the
same 320x240 resolution.

Any recommendations? Or opinions?

Thanks,

David

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Received on Mon Jul 23 02:26:59 2012