Rohde & Schwarz R&S RSC Manuel utilisateur
R&S®RSC
Step Attenuator
User Manual
1313891002
Version 05
(==ç:2)
This manual describes the R&S®RSC and its instrument variants:
●R&S®RSC base unit without attenuator 1313.8004.02
●R&S®RSC attenuator up to 6 GHz from 0 dB to 139 dB in 1 dB steps
1313.8004.03/13
●R&S®RSC attenuator up to 6 GHz from 0 dB to 139 dB in 0.1 dB steps
1313.8004.04/14
●R&S®RSC attenuator up to 18 GHz from 0 dB to 115 dB in 5 dB steps
1313.8004.05/15
●External attenuator up to 40 GHz and an attenuation range from 0 dB to 75 dB
in 5 dB steps (R&S RSCZ405 1313.9952.02).
●External attenuator up to 67 GHz and an attenuation range from 0 dB to 75 dB
in 5 dB steps (R&S RSCZ675 1314.0065.02).
The software contained in this product uses several valuable open source software packages. For infor-
mation, see the "Open Source Acknowledgment" on the user documentation CD-ROM (included in deliv-
ery).
Rohde & Schwarz would like to thank the open source community for their valuable contribution to embed-
ded computing.
© 2020 Rohde & Schwarz GmbH & Co. KG
Mühldorfstr. 15, 81671 München, Germany
Phone: +49 89 41 29 - 0
E-mail: [email protected]
Internet: www.rohde-schwarz.com
Subject to change – Data without tolerance limits is not binding.
R&S® is a registered trademark of Rohde & Schwarz GmbH & Co. KG.
Trade names are trademarks of the owners.
1313.8910.02 | Version 05 | R&S®RSC
The following abbreviation is used in this manual: R&S®RSC is abbreviated as R&S RSC
Contents
R&S®RSC
3User Manual 1313.8910.02 ─ 05
Contents
1 Documentation overview...................................................... 5
2 Introduction............................................................................7
3 Putting the instrument into operation................................. 9
3.1 Explanation of the front and rear views..............................................9
3.2 Preparing the instrument................................................................... 12
3.3 Function check....................................................................................17
3.4 Default settings................................................................................... 18
3.5 Linux operating system......................................................................18
3.6 Connecting external devices............................................................. 19
3.7 Configuration using LXI..................................................................... 22
3.8 Configuration of the GPIB bus (IEC 625 / IEEE 488)........................29
4 Manual operation................................................................. 31
4.1 Entering parameters........................................................................... 31
4.2 Display................................................................................................. 32
4.3 Help system – [HELP] key..................................................................32
4.4 File functions.......................................................................................33
5 Instrument functions........................................................... 35
5.1 Setting the attenuation....................................................................... 35
5.2 Varying the attenuation...................................................................... 35
5.3 Setting the frequency......................................................................... 35
5.4 Turning the correction mode On/Off................................................. 36
5.5 Display of the attenuation deviation................................................. 37
5.6 Switching to external attenuators..................................................... 40
5.7 Cascading external attenuators........................................................ 40
Contents
R&S®RSC
4User Manual 1313.8910.02 ─ 05
6 Application........................................................................... 43
6.1 Effect of reflection on the attenuation deviation............................. 43
6.2 Disturbance voltages..........................................................................43
7 Remote control.................................................................... 47
7.1 Basic information on remote control................................................ 47
7.2 Remote control – commands.............................................................57
8 Maintenance......................................................................... 75
9 Contacting customer support............................................ 77
Annex....................................................................................79
A Instrument interfaces.......................................................... 79
A.1 GPIB bus (IEC 625 / IEEE 488)........................................................... 79
A.2 Ethernet interface (LAN).....................................................................83
List of commands................................................................ 87
Index..................................................................................... 89
Documentation overview
R&S®RSC
5User Manual 1313.8910.02 ─ 05
1 Documentation overview
This section provides an overview of the R&S RSC user documentation. Unless
specified otherwise, you find the documents at:
https://www.rohde-schwarz.com/manual/RSC
User manual
The user manual is supplied with the delivery in printed form. It contains descrip-
tions for all instrument functions and for remote control of the instrument. In addi-
tion, it contains notes on preventative maintenance for the R&S RSC and on trou-
bleshooting based on the warnings and error messages that the instrument emits.
The user manual is also included on the documentation CD-ROM that is supplied
with the delivery.
HTML help
The context-sensitive help is installed on the R&S RSC in its standard configura-
tion. It supports you in operating the R&S RSC and its options, both manually and
remote via control.
A modern HTML5 variant is available on the internet and supplied on the docu-
mentation CD-ROM.
Service manual
Describes the performance test for checking the rated specifications, module
replacement and repair, firmware update, troubleshooting and fault elimination,
and contains mechanical drawings and spare part lists.
The service manual is available for registered users on the global
Rohde & Schwarz information system (GLORIS):
See https://gloris.rohde-schwarz.com.
Instrument security procedures
Deals with security issues when working with the R&S RSC in secure areas.
It is available for download on the internet and also included on the documenta-
tion CD-ROM.
Documentation overview
R&S®RSC
6User Manual 1313.8910.02 ─ 05
Data sheets and brochures
The data sheet contains the technical specifications of the R&S RSC. It also lists
the firmware applications and their order numbers, and optional accessories.
The brochure provides an overview of the instrument and deals with the specific
characteristics.
See https://www.rohde-schwarz.com/brochure-datasheet/RSC.
Open source acknowledgment (OSA)
The R&S RSC firmware makes use of several valuable open source software
packages. An open-source acknowledgment document provides verbatim license
texts of the used open source software.
It is included on the documentation CD-ROM supplied with the delivery.
Introduction
R&S®RSC
7User Manual 1313.8910.02 ─ 05
2 Introduction
The R&S RSC attenuator is a fast and accurate instrument for setting precisely
defined attenuation values. Depending on the specific model, attenuation can be
set at a value between 0 dB and 139.9 dB in the frequency range up to 18 GHz.
In addition, external attenuators are available, which can be remotely controlled
with the base unit.
The following models are available:
●Base unit: Instrument without internal attenuator.
●Attenuator up to 6 GHz and an attenuation range from 0 dB to 139 dB in 1 dB
steps.
●Attenuator up to 6 GHz and an attenuation range from 0 dB to 139.9 dB in
0.1 dB steps.
●Attenuator up to 18 GHz and an attenuation range from 0 dB to 115 dB in
5 dB steps.
●External attenuator up to 40 GHz and an attenuation range from 0 dB to 75 dB
in 5 dB steps.
●External attenuator up to 67 GHz and an attenuation range from 0 dB to 75 dB
in 5 dB steps.
With all models, it is possible to connect and control up to 4 external attenuators.
Introduction
R&S®RSC
8User Manual 1313.8910.02 ─ 05
Putting the instrument into operation
R&S®RSC
9User Manual 1313.8910.02 ─ 05
3 Putting the instrument into operation
The R&S RSC attenuator is available in different models. You can equip the base
unit with an internal attenuator and/or use it with up to four external attenuators,
see Chapter 2, "Introduction", on page 7. The following description applies to all
models; differences are pointed out explicitly where relevant.
The section below describes how to put the instrument into operation, connect
external instruments and integrate the R&S RSC into a network. General notes
are provided to ensure safety while operating the instrument.
Please note that the general safety notes at the beginning of this manual
also contain information about operating requirements to prevent damage to
the instrument. In addition, the instrument's data sheet can contain further
operating conditions.
3.1 Explanation of the front and rear views
This chapter shows all function keys, control elements and connections on the
front and rear of the R&S RSC.
3.1.1 Front view
The figure below shows the controls and connections on the front of the instru-
ment.
Explanation of the front and rear views
Putting the instrument into operation
R&S®RSC
10User Manual 1313.8910.02 ─ 05
RF port
The two RF ports, "A" and "B", can be used as either an input or output port.
Depending on the specific model, these interfaces are located on either the front
or rear panel.
Possible damage due to overloading
Ensure that the input level does not exceed 30 dBm (corresponds to 7 V or
1 W).
3.1.2 Rear view
This section shows all interfaces on the back of the R&S RSC.
Explanation of the front and rear views
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