News from Rohde & Schwarz
Magazine for test & measurement and radio communication
News from Rohde & Schwarz Issue 1999/V - 165
Universal Radio Communication Tester CMU200: On the fast lane into the mobile radio future
Maximum production throughput, extremely high measuring accuracy and speed, multistandard/multiband, future-proofness - these and other similarly exacting demands are familiar in the design and manufacture of radiotelephones. Rohde & Schwarz, world market leader in mobile radio testers, has responded to the challenge by developing an innovative and unique test platform: Universal Radio Communication Tester CMU200. The company’s decades of experience were a vital prerequisite for tackling such a project in the fi rst place, but many new approaches had to be taken at the same time.
Universal Radio Communication Tester CMU200: On the fast lane into the mobile radio future
Signal Generator SML01: Top-class economy generator
Despite its amazingly attractive purchase price, the new Signal Generator SML01comes up with a variety of technical benefits. For example, it features a wear-free electronic attenuator guaranteeing short level setting times. Users in production and servicing, EMC testing and design alike will highly appreciate this feature. In frequency synthesis too, our engineers have taken new approaches and created a spectrally pure synthesizer with extremely short setting times previously only found in high-end equipment.
Signal Generator SML01: Top-class economy generator
UHF Transmitter Family NV/NH7000: Liquid-cooled TV tra smitters for terrestrial digital TV
Rohde & Schwarz is launching a new generation of liquid-cooled UHF transmitters perfectly timed for the startup of regular operation of terrestrial digital TV (DVB-T) by many countries. The compact design facilitates the installation of new DVB transmitters at existing sites where space normally is very restricted. Thanks to modular design, transmitter systems for both digital and analog TV can be created, meeting future requirements and featuring high economy and reliability.
UHF Transmitter Family NV/NH7000: Liquid-cooled TV tra smitters for terrestrial digital TV
MPEG2 Realtime Monitor DVRM: Digital broadcast etworks: operation secured
Digital transmission of TV signals by MPEG2 transport streams is on the advance worldwide. Besides existing transmission media, ie satellite and in many places cable, nationwide terrestrial transmitter networks are planned or already being installed in many countries. Ensuring reliable operation of such complex networks, which involve variation of the structure and contents of transport streams at many points, makes great demands on monitoring systems. This is where MPEG2 Realtime Monitor DVRM comes into its own, featuring comprehensive monitoring functions and versatile control and signalling capabilities.
MPEG2 Realtime Monitor DVRM: Digital broadcast etworks: operation secured
Miniport Receiver EB200/Compact Receiver ESMC: Mini-receivers: remote control lends weight to network role
These two compact receivers for searching, detecting and displaying signals in the 10 kHz to 3 GHz range can be remote-controlled in all their functions and thus integrated - by optional software - into large networks, eg nationwide monitoring systems. To simplify entry into what can be a fairly complex application, Rohde & Schwarz is offering a version of the remote-control software that is reduced in its scope of functions and price.
Miniport Receiver EB200/Compact Receiver ESMC: Mini-receivers: remote control lends weight to network role
Test Antenna ULTRALOG HL562: No tiresome changing of antennas: universal and broadband EMC measurements
International EMC standards stipulate measurement of emissions and immunity to interference over increasingly wider frequency bands. The use of narrowband antennas takes considerably more time since each measurement has to be interrupted to change the antennas required. To avoid these costs, which should not be underestimated, test antennas covering a wide frequency range are needed. ULTRALOG HL562 is tailored to meet these requirements. It is suitable for both interference fi eld strength measurements and susceptibility measurements. Thanks to its compact design and low weight it is at the same time easy to handle.
Test Antenna ULTRALOG HL562: No tiresome changing of antennas: universal and broadband EMC measurements
HF antenna systems for radiomonitoring: Complete coverage tailored to requirements: HF radiomonitoring over any azimuth and distance
Shortwave signal monitoring has lost nothing of its topicality in recent years. Quite the reverse: the security scenario, which has in part radically changed,
has made it necessary for many countries to even expand their radiomonitoring activities. Whereas previously signals often had to be monitored only over
certain distances or in certain directions, today there is a growing demand for monitoring systems capable of receiving signals from any direction and over any
distance. Log-periodic antennas from Rohde & Schwarz and their combination into customized systems master virtually any reception task.
HF antenna systems for radiomonitoring: Complete coverage tailored to requirements: HF radiomonitoring over any azimuth and distance
W-CDMA Rx/Tx Test System TS8950A: Startup of 3G air interface simulator
3G is well on its way. Rohde & Schwarz is accompanying the rapid development with a modular, open test system that responds flexibly to the still changing specifications of the standards. Test System TS8950A (FIG 1) is a first step towards 3G Air Interface Simulator TS8950, permitting the creation of customized W-CDMA transmitter/ receiver test scenarios.
W-CDMA Rx/Tx Test System TS8950A: Startup of 3G air interface simulator
MONLOC software: GSM data link networks direction finders
MONLOC software combines digital monitoring direction finders of the type DDF0xM into extensive radiolocation systems that can be used for regional through nationwide spectrum monitoring, for security purposes as well as in military missions. A large variety of interfaces is available for this kind of application. A new possibility is the use of GSM links for data exchange. And in this way mobile direction fi nders can also be integrated into versatile DF networks
MONLOC software: GSM data link networks direction finders
Microwave Signal Generator SMR: Testing receivers for satellite telemetry signals
Remotely controlled receivers in satellites play an important role: they receive telemetry signals for guiding a satellite to the desired position. Satellite operators therefore require highly accurate fi gures for noise threshold from the receiver manufacturer because a reliable, remotely controlled radio link is only possible if the receiver’s limit sensitivity is as good as -130 dBm. Microwave Signal Genera-tors SMR offer the best prerequisites for measuring this parameter.
Microwave Signal Generator SMR: Testing receivers for satellite telemetry signals
NetHawkTM Analysis and Simulation Software: Wired measurements for mobile radio systems
NetHawkTM is a PC-based family of protocol analyzers and simulators for modern communication networks. Whereas Radio Communication Testers CMD and CMU from Rohde & Schwarz focus on measurements on the air interface, NetHawkTM was specially designed for fi xed-network measurements at the interfaces to national and international communication systems. Apart from the GSM application described, NetHawkTM is also available with software for analysis and simulation of SS7, ISDN and V.5 protocols.
NetHawkTM Analysis and Simulation Software: Wired measurements for mobile radio systems
IT Security: Key position in IT security: more competence for SIT
SIT, Gesellschaft für Systeme der Informationstechnik mbH, which has been part of the Rohde & Schwarz group of companies since 1991, provides solutions for security in information technology. Focal activities are development of crypto products and systems for the protection of information in modern data processing and communication systems as well as consulting and IT security analysis for commercial enterprises and government authorities. SIT has taken over the department for information security products of Bosch Telecom in Stuttgart. This stock-up of person nel means an increase in competence, enabling the company to provide a comprehensive spectrum of IT security solutions.
IT Security: Key position in IT security: more competence for SIT
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Phone: +49 89 41 29 - 0
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Internet: http://www.rohde-schwarz.com/
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