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Test & Measurement
Product Brochure | 01.00
R&S®ESL
EMI Test Receiver
Compact, cost-effective
measuring receiver
2
The R&S®ESL EMI test receiver combines two
instruments in one, measuring EMC disturbances
in ordance with the latest standards and also
serving as a full-featured spectrum analyzer for
perse lab applications. The R&S®ESL is the ideal
instrument for small budgets.
The R&S®ESL is a compact, cost-effective measuring
receiver. It includes all of the functions, bandwidths
and weighting detectors that are needed to make EMC
measurements in ordance with commercial standards.
The receiver provides useful support to manufacturers of
components, modules and devices who need to detect
disturbances at the early stages of product development.
They can thus take any required actions and avoid the
expense of having to redevelop completed products.
This also saves time and money during the certification
process.
The combination of very good RF characteristics and all of
the important functions needed for fast, precise measurement
and evaluation of the EMC of a device under test in
ordance with commercial standards is unmatched in
this class of instrument. The perse analysis capabilities,
high measurement speed and time-saving automated test
routines make the R&S®ESL the obvious choice for any
development lab that needs to prepare for EMC certification
tests.
Main features
J Frequency range from 9 kHz to 3 GHz or 9 kHz to 6 GHz
covering almost all commercial EMC standards
J First-ever combination of an EMI test receiver and
spectrum analyzer in the entry-level class
J All major functions of an advanced EMI test r eceiver,
including fully automated test sequences
J Weighting detectors: max./min. peak, average, RMS,
quasi-peak as well as average with meter time constant
and rms-average in ordance with the latest version of
CISPR 16-1-1
J Compact, lightweight instrument, can be batterypowered
for mobile applications
R&S®ESL
EMI Test Receiver
At a glance
Rohde & Schwarz R&S®ESL EMI Test Receiver 3
R&S®ESL
EMI Test Receiver
Benefits and key
features
Precise, reproducible measurement results due to
very good RF characteristics
J 0.5 dB amplitude uracy
J 1 dB compression +5 dBm
J RF input pulse-resistant up to 10 mWs
J Displayed average noise level with p reamplifi er
<–152 dBm (1 Hz)
J Resolution bandwidths 10 Hz to 10 MHz (–3 dB),
200 Hz, 9 kHz, 120 kHz (–6 dB), 1 MHz (impulse)
? page 4
Unrivaled price/performance ratio in this class
J Two test instruments in one: EMI test receiver and
spectrum analyzer
J Low investment costs
J Best RF characteristics available in this class of
instrument
J Extensive measurement functions and evaluation
features
J Cost-saving plug & play options
? page 5
Intuitive operation – as with all the EMI test receivers
from Rohde & Schwarz
J Clear SCAN settings in tabular format
J Capability to perform simultaneous measurement with
multiple detectors
J Predefi ned antenna factors and limit lines in ordance
with commercial standards
J Selective monitoring of critical disturbances using TUNE
to MARKER and MARKER TRACK functions
J Simultaneous measurement with up to four detectors
J Large bargraph display with MAX HOLD function for
clear presentation of measured values
? page 6
Easy expansion, many interfaces
J Plug & play addition of options without opening the
instrument
J Additional interfaces for expanding the range of applications
of the R&S®ESL (e.g. remote control of line impedance
stabilization networks, IF output, video output)
? page 9
Lightweight and compact for installation, maintenance
and on-site applications
J Easy to transport due to small size and low weight
J AC-independent operation with internal rechargeable
battery (option)
J Power measurements using the R&S®NRP-Zxx power
sensors
4
Precise, reproducible
measurement
results due
to very good RF
characteristics
Menu for selecting the main receiver settings (receiver mode). In the upper
window, the SPLIT SCREEN display shows continuously updated level
values for the selected detectors (max. 4) and the selected measurement
frequency. In the lower window, the emission spectrum measured using
the SCAN table settings is displayed. Up to six traces can be simultaneously
activated
Key features
With its very good RF characteristics, the R&S®ESL has
set new standards for the lower price class. Examples
include an amplitude measurement uracy of 0.5 dB
up to 3 GHz, a displayed average noise level of typically
–162 dBm (f = 500 MHz) and a rugged RF input (10 mWs).
These features ensure reproducible measurements in ordance
with commercial EMC standards such as CISPR,
EN, ETS, , ANSI, etc. and are normally available only
with equipment in higher price classes.
Menu for selection of weighting detectors. Values produced by a maximum
of four different detectors are simultaneously displayed numerically
and as an analog bargraph
Spectrum analyzer mode
As a high-quality spectrum analyzer, the R&S®ESL can be
operated in spectrum mode to produce overview measurements
that display the disturbance spectrum with all
of the bandwidths stipulated in the standards. The user
can choose between CISPR bandwidths and 3 dB bandwidths
(10 Hz to 10 MHz). Based on logarithmic scaling,
the sweep representation generates traces that are directly
comparable to the usual measuring receiver diagrams,
including
the associated limit lines.
Receiver mode
In receiver mode, the R&S®ESL measures the emission
spectrum with no gaps using user-definable frequency
subrange settings. The R&S®ESL performs the measurement
at each frequency point in a settled state, thus ensuring
reproducible measurements. One trace contains up
to 1 million measurement points, and a maximum of six
traces can be activated in parallel. All measurement data is
available for further analysis, e.g. using the measurement
marker while zooming the frequency axis or through data
reduction and subsequent final measurement at critical
frequencies.
Detectors
For signal weighting, all of the available detectors comply
with the latest standards in ordance with CISPR
16?1?1.
The R&S®ESL covers all of the EMC standards with the
following detectors: max./min., peak, quasi-peak, RMS,
average,
average with meter time constant (CISPR
average)
and rms-average (CISPR RMS).
The R&S®ESL family
¸ESL6 (1300.5001.06)
¸ESL3 (1300.5001.03)
¸ESL3 (1300.5001.13) with tracking generator
¸ESL6 (1300.5001.16) with tracking generator
9 kHz 3 GHz 6 GHz
Rohde & Schwarz R&S®ESL EMI Test Receiver 5
Unrivaled price/performance
ratio in
this class
The R&S®ESL is equipped to handle a wide variety of
measurement tasks. No matter whether you are working
in the lab, on-site in the field, with battery power, or in a
production environment, the instrument always delivers
precise measurement results that you can rely on.
Two test instruments in one
The combination of an EMI test receiver for diagnostic
measurements in development and a universal spectrum
analyzer is unique in this price class. The R&S®ESL
offers an extraordinary variety of applications. It provides
reproducible EMC measurements with preview and final
measurements including evaluation of critical signal levels
using limit line comparisons, standard laboratory spectrum
analysis applications such as channel and adjacent
channel power measurements, measurement of upied
bandwidth, intermodulation measurements and noise
figure measurements.
A wide range of marker functions and direct measurement
functions is available for performing measurements
and evaluating results. The R&S®ESL can handle
both manual and automatic measurements. For remote
control by means of external software applications, the
R&S®ESL features a LAN and an IEC/IEEE bus interface
(R&S®FSL-B10 option).
6
User-friendly operation based on a tried-and-tested
design
Operation of the R&S®ESL is very convenient. It is based
on the concept used for the other essful EMI test receivers
from Rohde & Schwarz.
Clear SCAN settings in tabular format
In RECEIVER mode, the SCAN table provides the basis
for a disturbance measurement in the frequency range.
Parameters
are displayed using a clear tabular format and
are inpidually adapted to the measurement task and
the device under test. The SCAN table can be saved and
printed,
allowing the user to easily keep track of how the
measurement results were generated.
Intuitive operation Simultaneous measurement of multiple traces
possible
Up to six traces can be weighted using different detectors
and displayed in the diagram. The benefits are as follows:
JJSaving time through simultaneous measurement with
different detectors
JJ Traces are clearly labeled in the diagram
JJAssignment to limit lines provides a fast overview
JJAll measurement data (up to 1 million measurement
points per trace) is saved in memory and can be read out
in ASCII format
Fast, dependable measurements with automated
test sequences
Using the tried-and-tested combination of fast preview
measurement with peak (and average) detector and
automatic
final measurement only at the frequencies
determined
to be critical, disturbance measurements
e
much faster and simpler. Any exceeding of the
limit
lines is immediately displayed. This saves valuable
test time and is a great help for any user who does not
make such measurements on a regular basis.
In RECEIVER mode, the R&S®ESL is tuned in fixed frequency steps in
ordance
with the settings in the SCAN table. The SCAN table can
be programmed for a maximum of ten frequency subranges with independently
selectable parameters (e.g. start/stop frequency, step width,
measurement
time, resolution bandwidth, input attenuation). Each
time a scan is launched by inputting a START and STOP frequency, the
parameters
that are preset in the SCAN table are automatically loaded.
This ensures
reproducible, pliant measurements at all times
An automated test sequence has three phases: Preview measurement,
data reduction and final measurement. The maximum disturbance that urs
is automatically measured along with its distance from the set limit.
This speeds up the measurement and simplifies evaluation of data. The
final measurement frequencies determined in this manner are saved by
the R&S®ESL in a separate table that can be edited (PEAK LIST) for subsequent
disturbance weighting and for documentation purposes
Rohde & Schwarz R&S®ESL EMI Test Receiver 7
Measurements using line impedance stabilization
networks (LISN)
Disturbance voltage measurements on power lines
are made using line impedance stabilization networks.
For such measurements, Rohde & Schwarz offers the
R&S®ENV216 two-line work and the R&S®ESH2-Z5
and R&S®ENV4200 four-line works. The R&S®ESL
automatically
switches the different phases of the LISN
(requirements: R&S®FSL-B5 option, additional interfaces
and a control cable). This ensures that the highest-amplitude
disturbance is actually determined.
Predefined antenna factors
For disturbance measurements with test antennas, the
R&S®ESL includes a selection of typical antenna factors
(transducers). Users can also input and save their own
correction
tables for antennas, cable losses, preamplifiers,
etc. Any correction factors that are activated are automatically
taken into ount by the R&S®ESL in its measurement
results with the appropriate unit.
Menu for setting the traces. A maximum of six traces for different
weightingdetectors
can be displayed. The measurement results for the
critical frequencies
(Final Meas Detector) are indicated using icons
All the parameters needed for the final measurement on the critical frequencies
(Final Meas Settings) can be configured quickly and easily in a
single window. The final measurement frequencies are determined either
for the absolute peaks or as subrange maxima. The relative magnitude
of the disturbance (peak excursion), its distance to the limit (margin) and
their maximum number can all be set (1 to 500). The actual final measurement
is performed fully automatically or interactively
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Library for limit lines
Similar to the antenna factors, the R&S®ESL also includes
a selection of important limit lines for commercial standards.
You can input and save any relevant changes to the
limits or add new limit lines in tabular format.
Powerful marker functions
Critical frequencies can be manually selected using a measurement
marker. The TUNE to MARKER and MARKER
TRACK functions are used to tune the receiver to the
marker frequency. Up to four different weighting detectors
can be selected with an adjustable measurement time
to provide the level at the receive frequency as a numeric
value and as an analog bargraph. This allows fast and clear
selective monitoring of critical signals with the R&S®ESL.
The MAX HOLD display helps users when searching for
the highest-amplitude disturbance, e.g. when dealing with
fluctuating or drifting signals.
Critical frequencies discovered during the preview measurement
can be transferred directly to the final measurement
list using the ADD to PEAK LIST function of the
R&S®ESL.
Easy documentation generation with the R&S®ESL
Measurement results, graphics, scan tables and transducer/
limit tables can be conveniently documented using
a printer connected to the USB interface. This allows the
complete, reproducible evaluation of tests in hardcopy
format.
All traces can be precisely evaluated using the marker and zoom functions.
The MARKER TRACK and TUNE TO MARKER functions link the frequency
tuning and numeric level measurement to the marker position on
the trace. This helps to significantly simplify and speed up final measurements
on the critical frequencies that were determined
pliant measurement of conducted disturbance with line
impedance stabilization networks (LISN) requires measurement at all
phases (worst-case principle). The R&S®ESL supports this measurement
with a fully automated test sequence (preview/final measurement) including
remote-controlled phase switching for the LISNs available from
Rohde & Schwarz
Battery pack (R&S®FSL-B31)
DC power supply
(R&S®FSL-B30)
IEC/IEEE bus interface (GPIB)
(R&S®FSL-B10)
Additional interfaces OCXO (R&S®FSL-B4)
(R&S®FSL-B5)
Rohde & Schwarz R&S®ESL EMI Test Receiver 9
Easy expansion,
many interfaces
The system of plug & play retrofitting of options is a major
benefit of the R&S®ESL. All options can be added without
having to open the instrument.
The benefi ts are as follows:
J No additional alignment required after installation
J No recalibration
J No need to ship off the instrument (i.e. no downtime)
J No installation costs
J Easy enhancement of the instrument to handle additional
measurements
A number of additional interfaces are available with the
R&S®FSL-B5 option to extend the range of applications of
the R&S®ESL:
J Remote control (phase switching) of the LISNs from
Rohde & Schwarz
J IF output/video output for connecting additional analysis
equipment
J 28 V, switchable for connection of noise sources
J Trigger interface for fast measurement of frequency lists
J Interface for an R&S®NRP-Zxx power sensor
(eliminating the need for the USB adapter for the
R&S®NRP-Zxx power sensors)
10
The R&S®ES-SCAN EMI measurement software is an ideal
addition to the R&S®ESL. R&S®ES-SCAN is a cost-effective
and user-friendly Windows software that was specially developed
for EMC measurements in development.
This easy-to-use software meets the main requirements for
disturbance measurements in ordance with commercial
standards:
JJMeasurement settings and storage
JJScan data acquisition and display
JJAutomatic data reduction
JJ Peak search with eptance analysis
JJSelectable number of critical PEAKS or subranges
JJ Final measurement with worst-case selection (e.g. for
line impedance stabilization networks with automatic
phase switching )
JJReport generation and measurement data storage
A wizard ("Help Side Bar") is available to the user during
all phases of operation of the R&S®ES-SCAN EMI
measurement
software. Online help texts explain all software
functions,
eliminating the need for a user manual.
The following tools and capabilities provide additional user
support:
JJ Library of standard limit lines for commercial standards
JJDefinition of any number of receiver settings that are
saved on the controller
JJDefinition and storage of a peak list for final
measurements
(For more information about R&S®ES-SCAN, see the
product brochure PD 5213.8844.12, or visitwww.rohdeschwarz.
com and enter the search term "ES-SCAN".)
R&S®ES-SCAN
EMI Measurement
Software
Diagnostic
measurements
made easy
Preview measurement (Pk and Avg) with determination of the local
maxima
(here, 25 subranges) for subsequent final measurement
(QP and Avg)
Rohde & Schwarz R&S®ESL EMI Test Receiver 11
Ordering information
Designation Type Order No.
EMI Test Receiver, 9 kHz to 3 GHz R&S®ESL3 1300.5001.03
EMI Test Receiver, 9 kHz to 3 GHz, with tracking generator R&S®ESL3 1300.5001.13
EMI Test Receiver, 9 kHz to 6 GHz R&S®ESL6 1300.5001.06
EMI Test Receiver, 9 kHz to 6 GHz, with tracking generator R&S®ESL6 1300.5001.16
Optionen
Designation Type Order No. Comment
Hardware
OCXO Reference Frequency, aging 1 × 10–7/year R&S®FSL-B4 1300.6008.02
Additional Interfaces R&S®FSL-B5 1300.6108.02 video output, IF output, noise source control
output, remote-control interface for V?networks,
interface for R&S®NRP-Zxx power
sensors
GPIB Interface R&S®FSL-B10 1300.6208.02
RF Preamplifier (3/6 GHz) R&S®FSL-B22 1300.5953.02
DC Power Supply, 12 V to 28 V R&S®FSL-B30 1300.6308.02
NiMH Battery Pack R&S®FSL-B31 1300.6408.02 requires R&S®FSL-B30
Software/firmware
EMI pliance Software R&S®ES-SCAN 1308.9270.02
AM/FM/φM Measurement Demodulator R&S®FSL-K7 1300.9246.02
Power Sensor Support R&S®FSL-K9 1301.9530.02 requires R&S®FSL-B5 or R&S®NRP-Z3/4 and
R&S®NRP-Zxx power sensor
Application Firmware for Noise Figure and Gain Measurements R&S®FSL-K30 1301.9817.02 requires R&S®FSL-B5 and preamplifier
mended extras
Designation Type Order No.
19" Rackmount Adapter R&S®ZZA-S334 1109.4487.00
Soft Carrying Bag R&S®FSL-Z3 1300.5401.00
Protective Hard Cover R&S®EVS-Z6 5201.7760.00
Additional Charger Unit R&S®FSL-Z4 1300.5430.02
Matching Pad 50/75 Ω, N connectors R&S®RAM 0358.5414.02
Matching Pad 75 Ω, series resistor 25 Ω, N connectors R&S®RAZ 0358.5714.02
Matching Pad 75 Ω, N-to-BNC connector R&S®FSH-Z38 1300.7740.02
SWR Bridge, 5 MHz to 3 GHz R&S®ZRB 2 0373.9017.52
SWR Bridge, 40 kHz to 4 GHz R&S®ZRC 1039.9492.52
SWR Bridge, 10 MHz to 3 GHz
(incl. open, short, load calibration standards)
R&S®FSH-Z2 1145.5767.02
Interior of the R&S®ESL
Rohde & Schwarz R&S®ESL EMI Test Receiver 12
Your local Rohde & Schwarz sales partner will be glad to
help you find the optimum configuration for your requirements.
To find your nearest Rohde & Schwarz representative, visit

Power sensors for the R&S®FSL-K9 option
Designation Type Order No.
Average Power Sensor, 10 MHz to 8 GHz, 200 mW R&S®NRP-Z11 1138.3004.02
Average Power Sensor, 10 MHz to 18 GHz, 200 mW R&S®NRP-Z21 1137.6000.02
Average Power Sensor, 10 MHz to 18 GHz, 2 W R&S®NRP-Z22 1137.7506.02
Average Power Sensor, 10 MHz to 18 GHz, 15 W R&S®NRP-Z23 1137.8002.02
Average Power Sensor, 10 MHz to 18 GHz, 30 W R&S®NRP-Z24 1137.8502.02
Average Power Sensor, 9 kHz to 6 GHz, 200 mW R&S®NRP-Z91 1168.8004.02
Thermal Power Sensor, 0 Hz to 18 GHz, 100 mW R&S®NRP-Z51 1138.0005.02
Thermal Power Sensor, 0 Hz to 40 GHz, 100 mW R&S®NRP-Z55 1138.2008.02
Rohde & Schwarz R&S®ESL EMI Test Receiver 13
Specifications in brief
R&S®ESL3 R&S®ESL3 R&S®ESL6 R&S®ESL6
Frequency range 9 kHz to 3 GHz 9 kHz to 3 GHz 9 kHz to 6 GHz 9 kHz to 6 GHz
Frequency uracy (standard) 1 × 10–6
With R&S®FSL-B4 (OCXO) 1 × 10–7
Measurement time
Receiver mode/scan (per frequency step) selectable from 100 μs to 100 s
Analyzer mode/sweep time selectable from 2.5 ms to 16000 s, zero span 1 μs to 16000 s
Resolution bandwidth (–3 dB) 10 Hz to 10 MHz in 1/3 sequence
Resolution bandwidth (–6 dB) 200 Hz, 9 kHz, 120 kHz, 1 MHz (impulse)
Video bandwidth 1 Hz to 10 MHz in 1/3 sequence
Level
Max. RF level (input attenuation ≥10 dB) +30 dBm (= 1 W)
Max. pulse energy 10 mWs
Max. pulse voltage 150 V
Third-order intercept typ. +18 dBm
1 dB compression + 5 dBm
Displayed average noise level (with RBW = 1 Hz FFT filter RBW and R&S®FSL-B22 preamplifier option)
9 kHz < f < 3 MHz typ. –115 dBm
f = 500 MHz typ. –162 dBm
f = 3 GHz typ. –158 dBm
Detectors pos./neg. peak, auto peak, quasi-peak, RMS, average, sample,
average with meter time constant (CISPR average), rms-average (CISPR RMS)
Level measurement uncertainty f < 3 GHz (<0.5 dB)
f < 6 GHz (<0.8 dB)
Tracking generator no yes no yes
Frequency range – 1 MHz to 3 GHz – 1 MHz to 6 GHz
Output level – –20 dBm to 0 dBm – –20 dBm to 0 dBm
Certified Environmental System
ISO 14001
DQS REG. NO 1954 UM
Certified Quality System
ISO 9001
DQS REG. NO 1954 QM
Rohde & Schwarz GmbH & Co. KG
Mühldorfstraße 15 | 81671 München
Phone +49 89 41 290 | Fax +49 89 41 29 121 64

R&S® is a registered trademark of Rohde & Schwarz GmbH & Co. KG
Trade names are trademarks of the owners | Printed in Germany (ch)
PD 5214.0430.12 | Version 01.00 | July 2008 | R&S®ESL
Data without tolerance limits is not binding | Subject to change
*0.14 €/min within German wireline network; rates may vary in other
networks
(wireline and mobile) and countries.
For data sheet, see
PD 5214.0430.22

Service you can rely on
J In 70 countries
J Person-to-person
J Customized and flexible
J Quality with a warranty
J No hidden terms
About Rohde & Schwarz
Rohde & Schwarz is an independent group of companies
specializing in electronics. It is a leading supplier of solutions
in the fields of test and measurement, broadcasting,
radiomonitoring and radiolocation, as well as secure communications.
Established 75 years ago, Rohde & Schwarz
has a global presence and a dedicated service network in
over 70 countries. Company headquarters are in Munich,
Germany.
Regional contact
Europe, Africa, Middle East
+49 1805 12 42 42* or +49 89 4129 137 74
customersupport@
North America
1-888-TEST-RSA (1-888-837-8772)
customer.support@
Latin America
+1-410-910-7988
customersupport.la@
Asia/Pacific
+65 65 13 04 88
customersupport.asia@