Dream Catcher ME1110 Skrócona instrukcja obsługi - Strona 10
Przeglądaj online lub pobierz pdf Skrócona instrukcja obsługi dla Modulator Dream Catcher ME1110. Dream Catcher ME1110 16 stron. Digital modulation technique, out-of-box teaching solution for analog and digital modulations, digital/analog modulation kit
Drukuj stronęStep 3: Displaying the Modulated IQ Signals in the 89601 VSA Software (cont.)
In the VSA software
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window, select Utilities >
Frequency Reference.
Select Internal to use the
internal clock from the
oscilloscope.
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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.
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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
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