Difference between revisions of "Noise studies"

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{| border="1" cellpadding="2"
 
{| border="1" cellpadding="2"
|width="400pt"|[[Image:outside_cage_no_grounds.jpg|thumb|none|400px|Noise 1950V, 90/10 premix]]
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|width="400pt"|[[Image:outside_cage_no_grounds.jpg|thumb|none|400px|Noise 1950V, 90/10 premix, 10mV/div, 1μs/div]]
|width="400pt"|[[Image:outside_cage_no_grounds_4MHz.jpg|thumb|none|400px|Noise - zoom on 4MHz - 1950V, 90/10 premix]]
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|width="400pt"|[[Image:outside_cage_no_grounds_4MHz.jpg|thumb|none|400px|Noise - zoom on 4MHz - 1950V, 90/10 premix, 10mV/div, 200ns/div]]
 
|}
 
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Revision as of 14:17, 27 July 2010

Noise studies - scope traces for ch16, which shows the largest amount of 4MHz pickup.

Noise 1950V, 90/10 premix, 10mV/div, 1μs/div
Noise - zoom on 4MHz - 1950V, 90/10 premix, 10mV/div, 200ns/div

After connecting the preamp ground to the preamp end of the cable shielding

Noise - cable shield connected to preamp ground, 1950V, 90/10 premix
Noise - zoom on 4MHz - cable shield connected to preamp ground, 1950V, 90/10 premix