Dream Catcher ME1110 Hızlı Başlangıç Kılavuzu - Sayfa 10

Modülatör Dream Catcher ME1110 için çevrimiçi göz atın veya pdf Hızlı Başlangıç Kılavuzu indirin. Dream Catcher ME1110 16 sayfaları. Digital modulation technique, out-of-box teaching solution for analog and digital modulations, digital/analog modulation kit

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Step 3: Displaying the Modulated IQ Signals in the 89601 VSA Software (cont.)
In the VSA software
9
window, select Utilities >
Frequency Reference.
Select Internal to use the
internal clock from the
oscilloscope.
1
Select MeasSetup >
0
Frequency. Set the
center frequency to 10
MHz and the frequency
span to 3 MHz, as shown
at the side.
Select MeasSetup >
1
1
Measurement Type >
Digital Demod to
demodulate the QPSK
signal.
1
Select MeasSetup >
2
Digital Demod Properties
to set the demodulation
properties. In the Format
tab, set the following
parameters: Format =
QPSK, Symbol Rate = 1
MHz, Points/Symbol = 4,
and Result Length = 80
Symbols. A warning about
insufficient data for digital
demodulation may appear.
Ignore this and continue
with the setup, then click
the Run button.
ME1110 Digital Modulation Technique
9
1
0
1
1
1
2
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