Rigol DS6000 Series Istruzioni per l'installazione e il funzionamento
RIGOL TECHNOLOGIES USA INC
877-4-RIGOL-1 How-To Guide
www.rigolna.com
Measuring Video Signals with the DS6000:
Video signals naturally are challenging to properly display on a digital storage
oscilloscope’s screen. This makes such signals a perfect example for the
purpose of demonstrating the capabilities of the Rigol DS6000.
In this section we are going to demonstrate the rich features and capabilities
of the DS6000 by analyzing with it an NTSC video signal.
1- Connect the NTSC video signal to channel 1 of the DS6000. Ensure that
the video signal is ON and then press the green “Auto” button. The
resultant signal waveform will appear as below:
RIGOL TECHNOLOGIES USA INC
877-4-RIGOL-1 How-To Guide
www.rigolna.com
2- Then press the horizontal scale button in order to enable delayed sweep
feature of the DS6000. One can notice the extensive level of detail of the
captured signal by increasing the signal zoom by turning the horizontal
scale knob.
RIGOL TECHNOLOGIES USA INC
877-4-RIGOL-1 How-To Guide
www.rigolna.com
Capturing Signal Glitches using the DS6000:
The Rigol DS6000 series family features a 120,000 waveforms a second
update rate. This is a serious advantage when examining signals for absolute
integrity.
Determining a signal’s lack of anomalies is not always an easy task. Especially
if an anomaly like a glitch for instance occurs within a very short time period
and is beyond the equipment’s capability to be captured; for this purpose,
this Glitch capturing experiment is a very good demonstration of the
performance capabilities of the DS6000 series.
For the purpose of the demonstration, we will input a square wave signal into
the DS6000 input, however a glitch signal will be introduced randomly as well.
The glitch lasts less than 30ns on the input side.
RIGOL TECHNOLOGIES USA INC
877-4-RIGOL-1 How-To Guide
www.rigolna.com
The image below is of the square wave signal described above:
The glitch signal is intermittent and appears for much less than a second on
the screen before it disappears. For the purpose of making it more visible in
this tutorial, we will turn display persistence on. To accomplish that, press
“Display” button, in the display menu, then set “Persis.Time” to 200ms
Additionally, to display all of the measurable wave characteristics, we press
the “MEAS” button, and then press the “Display All” soft button on the
MEASURE right hand side menu. Also for the purpose of measuring the
wave’s frequency, the frequency-counter is enabled.
RIGOL TECHNOLOGIES USA INC
877-4-RIGOL-1 How-To Guide
www.rigolna.com
As we can observe from the snapshot above, the DS6000 proves capable of
capturing the signal glitch due to its high waveform update rate and its high
resolution capabilities are reflected in the accuracy of the signal –glitch
capture as observed.
RIGOL TECHNOLOGIES USA INC
877-4-RIGOL-1 How-To Guide
www.rigolna.com
Capturing Amplitude Modulation Glitch using the DS6000:
In this experiment we use the D6000 to measure an amplitude modulated
signal as seen below:
However, deep within this signal is a glitch. The glitch is very hard to find and
can only be spotted utilizing the DS6000 UltraVision zoom technology.
Connect the Channel 1 to the AM pin and Channel 2 to the Sync pin.
Press the “AUTO” button. Remove Channel 2 from the screen by pressing
“CH2” button repetitively.
We then proceed to show the envelope of the wave by adjusting the
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5
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