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2. Phase shifter based on the substrate integrated waveguide technology.

Author

Hnilicka, Tomas, Oyedokun, Titus, Zalabsky, Tomas, and Suhartanto, Heru

Subjects
MICROWAVE circuits, ANTENNA arrays, ELECTRIC lines, PHASE shifters, PHOTONIC crystal fibers
Abstract

Substrate integrated waveguide (SIW) technology is widely known transmission line technology adapted for use in various types of microwave circuits. This article deals with the analysis and design of a phase shifter based on the SIW technology. With simulation and measurement results obtained from the phase shifter with using air holes inside the structure, a test circuit was designed and manufactured. Results show that a phase balance of less than 10° is achieved with the experimental setup. The return loss value is better than 15 dB for working frequency band 8.85 GHz − 9GHz. The main benefit of this work is the easy of implementation air holes inside the structure and also the easy of manufacture of the circuits for antenna arrays, where a certain number of identical circuits is usually needed. [ABSTRACT FROM AUTHOR]

Published
2022
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3. Remote Control Software For Rohde And Schwarz Instruments

Author

Shejbal, Tomas, Petkov, Matej, Zalabsky, Tomas, Pidanic, Jan, and Nemec, Zdenek

Subjects
VISA, MATLAB, spectum analyzer, oscilloscope, Remote control, ComputingMethodologies_MISCELLANEOUS, Rohde&Schwarz, signal generator, SCPI, network analyzer
Abstract

The paper describes software for remote control and measuring with new Graphical User Interface for Rohde & Schwarz instruments. Software allows remote control through Ethernet and supports basic and advanced functions for control various type of instruments like network and spectrum analyzers, power meters, signal generators and oscilloscopes. Standard Commands for Programmable Instruments (SCPI) and Virtual Instrument Software Architecture (VISA) are used for remote control and setup of instruments. Developed software is modular with user friendly graphic user interface for each instrument with automatic identification of instruments., {"references":["Pieper, J. M. Automatic Measurement Control: A tutorial on SCPI and\nIEEE 488.2. München: Rohde & Schwarz GmbH & Co. KG, 2007.\nISBN 3939837024.","IEEE Standard Codes, Formats, Protocols, and Common Commands. for\nUse With ANSI/IEEE Std 488.1-1987 IEEE Standard Digital Interface\nfor Programmable Instrumentation, ANSI/IEEE Std 488.2-1987, 1988.","National Instruments VISA. (online). 2013. Available:\nhttp://www.ni.com/visa/.","Rohde & Schwarz. How to Use Rohde & Schwarz Instruments in\nMATLAB: Application Note (PDF). 2012. Available: http://www.rohdeschwarz.\ncz/cz/service_and_support/downloads/Application_Notes/?quer\ny=1MA171.","Instrument Control Toolbox. (online). 2013. Available:\nhttp://www.mathworks.com/products/instrument/.","Rohde & Schwarz. Instrument drivers. (online). 2013. Available:\nhttp://www.rohde-schwarz.com/en/driver/instrument-drivers/instrumentdrivers_\n113817.html.","Rohde & Schwarz. Products. (online). 2013. Available:\nhttp://www.rohde-schwarz.com."]}

Published
2013
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