Spectrum Measurements
R&S
®
ESRP
197
User Manual 1175.7445.02 ─ 08
6
Spectrum Measurements
You can also perform conventional spectrum analysis with the R&S
ESRP.
When you start the R&S
ESRP for the first time or after a preset, it starts in receiver
mode. If it is inactive, press the [MODE] key and select the "Spectrum" softkey in the
corresponding menu to enter the spectrum mode.
This chapter of the manual describes all functionality that is available in spectrum
mode.
●
This section describes how to configure and perform specific measurements that
are available in Spectrum mode.
Measurement examples are provided in the Quick Start Guide, chapter 5 "Basic
Measurement Examples" and the Operating Manual, chapter "Advanced Measure-
ment Examples".
●
This section decribes the tools that are available to analyze measurement results.
●
This section describes general measurement parameters. The general measure-
ment parameters apply to all measurements performed in Spectrum mode.
6.1
Measurements
In the Spectrum mode, the R&S
ESRP provides a variety of different measurement
functions.
The individual functions are described in detail in the following sections.
6.1.1
Power Measurements – MEAS Key
With its power measurement functions, the R&S
ESRP is able to measure all the nec-
essary parameters with high accuracy in a wide dynamic range.
A modulated carrier is almost always used (except e.g. SSB-AM) for high-frequency
transmission of information. Due to the information modulated upon the carrier, the lat-
ter covers a spectrum which is defined by the modulation, the transmission data rate
and the signal filtering. Within a transmission band each carrier is assigned a channel
taking into account these parameters. In order to ensure error-free transmission, each
transmitter must be conforming to the specified parameters. These include among oth-
ers:
●
the output power
●
the occupied bandwidth, i.e. the bandwidth which must contain a defined percent-
age of the power
●
the power dissipation allowed in the adjacent channels
Measurements