Quote:
Originally Posted by jr_tech
It would be helpful if you would post the 'scope settings (volts per division & sweep speed) as well as the picture... Hard to tell if the ringing here is significant... perhaps it is a millivolt, perhaps it is 10 volts, we can't tell. I suspect that you are using a very sensitive vertical setting, and those random traces flying by are perhaps from pulses (vertical?) that are much larger, and off screen.
jr
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I can't remember the exact setting, but it was with the 10X setting on the probe. I realize I was looking at the vertical blanker with settings for the horizontal. You're probably right about the voltage of the ringing being very low. My main attention now is the ABL circuit as the ringing shows up with .2 VPD and covers 4 divisions (which is about right since SM says it should be .8V and 15750 sweep). The ringing is clear as day on it. Roughly the same number as the jail bars on my screen.
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