Tektronix MSO3000 Series - When and Why to Turn on Magnivu; Using Magnivu

Acquire the Sign
al
11. Push Height on t
he lower menu repeatedly
to set the signal height. You only need to do
this once to set the height for all of the digital
channels.
Quick Tip
Use the zoom feature to see multiple cycles of the signal in the upper part, and a single cycle in the lower part of the
display. (See page 118, Using Wave Inspector to Manage Long Record Length Waveforms.)
When setting up the digital probe, the first set of eight leads (pins 7 to 0) on the digital probe is marked Group 1 on the
lead box. The second set (pins 15 to 8) is marked Group 2.
Digital c hannels s tore a high or low state for each sample. The threshold that separates a high from a low state can be
set for all the channels in Group 1 or in Group 2 of the digital probe. The threshold can not be set for individual channels.
When and Why to Turn On MagniVu
For MSO30
00 Series only, MagniVu allows you to have higher resolution to accurately determine edge placement. This
helps you to make precise timing measurements on digital edges. You can see up to 16 times more detail than with
normal digital channel sampling.
The MagniVu record is acquired in parallel with the main digital acquisition and is available at any time, running or stopped.
MagniVu
provides an ultra high resolution view of your data sampled at a maximum resolution of 121.2 ps for 10,000
points centered around the trigger.
NOTE. MagniVu centers itself around the trigger point. If you turn MagniVu on while using a large record length a nd you are
lookin
g somewhere other than the trigger point, then the digital signal may be off screen. In most of these cases, you can find
the digital record by looking for the digital signal in the upper overview and panning accordingly.
NOTE. You should turn on M agniVu when light gray shading is displayed to indicate the uncertainty of the edge position. If
the sh
ading is not displayed, you do not need to use M agniVu. (See page 97, Viewing Digital Channels.)
Usin
g MagniVu
1. Push
D15 – D0.
68 MSO3000 and DP O3000 Series Oscilloscopes User Manual