R&S esu, Quick Start Manual

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Quick Start Guide 1302.6163.62 - 04 5.1
R&S ESU Basic Measurement Examples
5 Basic Measurement Examples
5.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.3
5.2 Performing a Level and Frequency Measurement . . . . . . . 5.4
5.3 Measuring a Sinusoidal Signal . . . . . . . . . . . . . . . . . . . . . 5.16
5.3.1 Measuring the Level and Frequency with Markers . . . . 5.16
5.3.1.1 Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.16
5.3.1.2 Increasing the Frequency Resolution . . . . . . . . . . . 5.17
5.3.1.3 Setting the Reference Level . . . . . . . . . . . . . . . . . . 5.18
5.3.2 Measuring the Signal Frequency using the Frequency
Counter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.19
5.4 Measuring Harmonics of Sinusoidal Signals . . . . . . . . . . 5.21
5.4.1 Measuring the Suppression of the First and Second
Harmonic of an Input Signal . . . . . . . . . . . . . . . . . . . . . . . . . . 5.21
5.4.2 Reducing Noise . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.22
5.5 Measuring Harmonics with Frequency Sweeps . . . . . . . . 5.24
5.5.1 High-Sensitivity Harmonics Measurements . . . . . . . . . . 5.24
5.6 Measuring Signal Spectra with Multiple Signals . . . . . . 5.27
5.6.1 Separating Signals by Selecting the Resolution
Bandwidth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.27
5.6.1.1 Separating Two Signals with a Level of –30 dBm
each at a Frequency Spacing of 30 kHz . . . . . . . . . . . . . . . 5.27
5.6.1.2 Measuring the Modulation Depth of an
AM-Modulated Carrier in the Frequency Domain . . . . . . . . 5.32
5.7 Storing and Loading Instrument Settings . . . . . . . . . . . . 5.34