Rohde & Schwarz FSQ series, Quick Start Manual

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Quick Start Guide 1313.9652.62 - 02 5.1
R&S FSQ Basic Measurement Examples
5 Basic Measurement Examples
5.1 Measuring a Sinusoidal Signal . . . . . . . . . . . . . . . . . . . . . . 5.3
5.1.1 Measuring the Level and Frequency with Markers . . . . . 5.3
5.1.1.1 Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.3
5.1.1.2 Increasing the Frequency Resolution . . . . . . . . . . . . 5.4
5.1.1.3 Setting the Reference Level . . . . . . . . . . . . . . . . . . . 5.5
5.1.2 Measuring the Signal Frequency using the Frequency
Counter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.6
5.2 Measuring Harmonics of Sinusoidal Signals . . . . . . . . . . . 5.8
5.2.1 Measuring the Suppression of the First and Second
Harmonic of an Input Signal . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.8
5.2.2 Reducing Noise . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.10
5.3 Measuring Harmonics with Frequency Sweeps . . . . . . . . 5.12
5.3.1 High-Sensitivity Harmonics Measurements . . . . . . . . . . 5.12
5.4 Measuring Signal Spectra with Multiple Signals . . . . . . . 5.15
5.4.1 Separating Signals by Selecting the Resolution
Bandwidth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.15
5.4.1.1 Separating Two Signals with a Level of –30 dBm
each at a Frequency Spacing of 30 kHz . . . . . . . . . . . . . . . 5.15
5.4.1.2 Measuring the Modulation Depth of an
AM-Modulated Carrier in the Frequency Domain . . . . . . . . 5.19
5.5 Measurements in the Time Domain . . . . . . . . . . . . . . . . . . 5.21