RIGOL
User’s Guide for DSA1000 Series
3-23
3.11
Measuring the Carrier-to-Noise Ratio
DSA1030/DSA1030-TG that has installed the Advanced Measurement Kit option can
measure the carried-to-noise ratio. In the example below, we use a generator (such as
RIGOL
DG3101A) to output a sine signal with 100 MHz and -10 dBm as the signal
under measure.
Procedures:
1.
Device attachment
Connect the output terminal of the generator to the RF INPUT 50Ω terminal on
the front panel of the analyzer.
2.
Measure the signal over the C/N Ratio function
(1)
Reset the analyzer
-
Press Preset
(2)
Set the parameters
-
Press FREQ
-
Press Center Freq and enter 100 MHz.
-
Press Meas
-
Press Meas Fctn and enter the lower menu.
-
Press C/N Ratio
(3)
Modify the C/N Ratio settings
-
Press Meas Setup
-
Press Offset Freq and enter 2 MHz.
-
Press Noise BW and enter 2 MHz.
-
Press Carrier BW and enter 2 MHz.
3.
Measurement result
The measurement results shown in the lower window are -9.55 dBm (carrier
power), -57.92 dBm (noise power) and 48. 37 dB (C/N Ratio), see figure below.
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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