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#1
08-29-2014, 06:41 AM
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Well I brought the unit with me to work today since I have more test equipment here at my disposal. I found a Tektronix 1400 series signal generator with multiburst mode and it is warming up until later on (I just got here). The manual for the stabilizer actually lists some specs, although I doubt that it meets them.....Differential phase >2 degrees, diff. gain better than 2%, video bandwidth better than 4.5MC....I would prefer to see a +/- tolerance for bandwidth, much like audio equipment measurements..But I will perform my own tests.
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#2
08-29-2014, 03:07 PM
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Well, looking at my graticule, it seems as though the response is a bit blunted on the high end with the stabilizer connected....It goes to 4.5MHz and beyond with the multiburst of a Tektronix 1401 connected right to the scope but rolls off around ~~4.23MHz with the stabilizer in the chain. My measurements were done in a rush, since I'm not supposed to be fooling with this at work, but Old-TV_nut is right that there is some deviation in burst response
I suppose this is a decent compromise... If I put up a red raster, there is a tad more hash with the unit in the chain too..but it is negligible. My oldest COLOR daily watcher is only from the early 70s so I suppose on the 1950s color TVs it would be more of an issue(?) Not sure..
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