RIGOL
User’s Guide for DSA1000 Series
2-41
2.3.3
Demod
Sets the demodulation of the analyzer. Both AM and FM are available in this device.
2.3.3.1
Demod
Sets the demodulation type to AM, FM, or Off, the default is Off.
Key Points:
The system will enable a marker automatically and place it at the center
frequency for AM (or FM) demodulation after you open AM (or FM).
You can activate the speaker to output the modulation signal through an audio
frequency (AF). The frequency and intensity of the audio respectively denotes the
frequency and intensity of the modulation signal.
2.3.3.2
Demod Setup
1.
Speaker
Sets the status of internal speaker. When it is On, you can hear the signal during
demodulation, the default is Off.
2.
Volume
Sets the volume of the speaker.
Table 2-22 Volume
Parameter
Explanation
Default
100
Range
0 to 255
Unit
N/A
Knob Step
10
Direction Key Step 20
3.
Demod Time
Sets the time interval for the analyzer to complete a signal demodulation after
each sweep. If the speaker is On, you will hear sound during the demodulation.
Содержание DSA1030
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Страница 179: ...Measurement Examples RIGOL User s Guide for DSA1000 Series 3 3 Figure 3 1 Measuring a Sine signal...
Страница 181: ...Measurement Examples RIGOL User s Guide for DSA1000 Series 3 5 Figure 3 2 Use the frequency counter to measure...
Страница 186: ...RIGOL Measurement Examples 3 10 User s Guide for DSA1000 Series Figure 3 4 Phase noise measurement...
Страница 188: ...RIGOL Measurement Examples 3 12 User s Guide for DSA1000 Series Figure 3 5 N dB bandwidth measurement result...
Страница 190: ...RIGOL Measurement Examples 3 14 User s Guide for DSA1000 Series Figure 3 6 Time domain power measurement...
Страница 192: ...RIGOL Measurement Examples 3 16 User s Guide for DSA1000 Series Figure 3 7 Adjacent channel power measurement result...
Страница 194: ...RIGOL Measurement Examples 3 18 User s Guide for DSA1000 Series Figure 3 8 Channel power measurement result...
Страница 196: ...RIGOL Measurement Examples 3 20 User s Guide for DSA1000 Series Figure 3 9 Occupied bandwidth measurement result...
Страница 198: ...RIGOL Measurement Examples 3 22 User s Guide for DSA1000 Series Figure 3 10 Emission bandwidth measurement result...
Страница 200: ...RIGOL Measurement Examples 3 24 User s Guide for DSA1000 Series Figure 3 11 C N Ratio measurement result...
Страница 204: ...RIGOL Measurement Examples 3 28 User s Guide for DSA1000 Series Figure 3 13 Harmonic Distortion measurement result...
Страница 211: ...Measurement Examples RIGOL User s Guide for DSA1000 Series 3 35 Figure 3 17 Amplitude correction...
Страница 213: ...Measurement Examples RIGOL User s Guide for DSA1000 Series 3 37 Figure 3 18 The frequency response of a filter...
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