R&S FSMR, Руководство по эксплуатации

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R&S FSMR Instrument overview
1166.3311.12 2.1 E-2
2 Getting Started
This chapter provides a fast introduction to operation by guiding the user step by step through
measurement examples .
Before starting any measurement with the FSMR, please note the instructions given in chapter 1 of the
users manual for putting the instrument into operation. In chapter 3 you will find detailed information on
customizing the instrument and the display.
For a systematic explanation of all menus, functions and parameters and background information refer
to the reference part in chapter 4.
Instrument overview
The R&S FSMR is a very versatile instrument that combines many measurement capabilities required
for calibration, troubleshoot and development into a single box instrument. The following functions are
included:
•
RF Power Meter , for highest accuracy RF power measurement.
•
RF Level Meter , for measurements of low level signals.
•
Modulation Analyzer , for AM/FM and 4 M modulated signals.
•
Audio Analyzer , for Audio Signal level and distortion, using the Audio input.
•
Frequency Counter , fastest frequency measurements with „mHz“-resolution.
•
Spectrum Analyzer , for high performance spectral analysis capabilities.
The R&S FSMR still offers an easy-to-use operation which does not require expert knowledge to
perform the basic measurements.
This product note is designed to explain the functions and operation of the Measuring Receiver R&S
FSMR. In the following descriptions, each step is explained in detail so that the instrument can be
immediately used without the need for learning all of the available functions.
Setup the instruments
Most of the following examples use the same test setup. To perform the measurements, in addition to
the Measuring Receiver R&S FSMR a signal generator and a power sensor is required. The examples
in this paper will require a single, stable RF test signal at lower RF frequencies (for example 100 MHz).
The generator shall offer analog modulation capabilities (at least AM modulation) at a variable
modulation rate from 1 kHz to 3 kHz and 30 % modulation depth.
For the audio measurement examples a LF generator is required. Most of the R&S signal generators
are equipped with a modulation generator which is sufficient for these measurements (for example R&S
SML, R&S SMIQ).
The power sensor used in the examples shall be one of the sensors from the R&S NRP series. There
are many different sensors available, a terminating average power sensor will best fit to the
requirements (for example R&S NRP-Z21)