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Browsing by UP Author "Stander, Tinus"
Now showing items 1-20 of 39
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Singh, Nishant; Stander, Tinus; IEEE International Microwave and RF Conference (2015 : Hyderabad, India) (Institute of Electrical and Electronics Engineers, 2015-12)A simulation study of a high-Q resonator in a commercial 130nm SiGe BiCMOS process for E-band frequencies is presented. The resonator is a planar quarter-wave microstrip resonator that uses a HBT based negative resistance ...
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Venter, J.J.P. (Johannes); Maharaj, Riddhi; Stander, Tinus (Institute of Electrical and Electronics Engineers, 2020-04)This article investigates the novel use of additive manufacturing (AM) in the production of interdigital cavity filters. It is found that AM enables the production of interdigitated pins of complex cross-sectional geometry, ...
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Oyedokun, Titus; Geschke, Riana H.; Stander, Tinus (Wiley, 2020-05)We present, experimental broadband propagation characterization of a planar groove gap waveguide (PGGWG) from 29 to 40 GHz. The transmission line Q‐factor is found to vary from 110 to 130 over the band, which is shown by ...
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Smith, James Nathan; Stander, Tinus (Institute of Electrical and Electronics Engineers, 2019-11)We present a shunt capacitive substrate-integrated waveguide (SIW) discontinuity for the first time. The discontinuity is parametrically characterized in terms of its reactive impedance, and an equivalent circuit model is ...
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Stander, Tinus; International Conference on Actual Problems of Electron Devices Engineering (APEDE), 2014: Saratov (Institute of Electrical and Electronics Engineers, 2014)A comparative simulation study of planar 94 GHz resonators in a typical BiCMOS BEOL stack-up is presented, with the effect of chip passivation included. It is shown that Q-factors of between 3 and 15 can be obtained, ...
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Sagouo Minko, Flavien; Stander, Tinus (Wiley, 2020-02)Layout parasitics significantly impact the performance of mm‐wave microelectronic circuits. These effects may be estimated by including foundry‐qualified pcell interconnect models in schematic with or without additional ...
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Sinha, Saurabh; Stander, Tinus; International Conference on Radioelektronika, (23rd : 2013 : Pardubice, Czech Republic) (Institute of Electrical and Electronics Engineers, 2013-04)Gigahertz transverse electromagnetic (GTEM) cells are used extensively in industry for testing the impact of defined E-fields on devices sensitive to electromagnetic interference. Compared to anechoic chambers, GTEM ...
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Stander, Tinus; Sinha, Saurabh (Wiley, 2013-05)A non-iterative synthesis procedure for sub-harmonic stub (SHS) bandpass and band-stop filters is presented. The method ensures better agreement between the synthesized filter response and the original prototype function ...
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Singh, Nishant; Stander, Tinus (Springer, 2018-10)We present an active Q-enhanced pseudo-combline resonator integrated in 130 nm SiGe BiCMOS. It is shown that the resonator Q0 can be enhanced, controllably, from 15 to 1578 at 78.8 GHz through application of a SiGe HBT-based ...
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Habeenzu, Brilliant; Meyer, Walter Ernst; Stander, Tinus (Elsevier, 2020-04)Please read abstract in the article.
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Botha, Cornelius Johannes; Stander, Tinus (Wiley, 2024-11)This work presents the effect of temperature change on the capacitance of silicon PIN diodes and the resulting change in performance of RF limiters at very high frequency (VHF). Device temperatures were varied between −25 ...
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Minko, Flavien Sagouo; Stander, Tinus (Elsevier, 2020-09)We investigate the effect of TID electron irradiation on a 65 GHz LNA in 130 nm SiGe BiCMOS. The LNA is exposed to a Sr-90 radiation source and irradiated at a rate of 200 krad (Si)/hr to a total dose of 15 Mrad (Si), with ...
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Ferrusca, Daniel; Cuazoson, Jetzael; Contreras, Jesus; Hiriart, David; Ibarra, Eduardo; Kurtz, Stanley; Stander, Tinus; Velazquez, Miguel (Society of Photo-optical Instrumentation Engineers, 2020-12-13)We present the refurbishment of a 23.8/31.5 GHz tipping radiometer (WVR-III) to characterize atmospheric opacity for astronomical sites. The mid-life upgrade will bring new life to the 20-year-old WVR-III with most control ...
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Sinha, Saurabh; Stander, Tinus; IEEE Global Humanitarian Technology Conference (GHTC) (2013 : San José, California, United States of America) (Institute of Electrical and Electronics Engineers, 2013)The IEEE is currently planning an extensive workforce development (WFD) programme through its volunteer and associated networks. Together with environmental scans, potential learning areas and contributing partners are ...
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Stander, Tinus; Diniz, Eric; Sinha, Saurabh (Czech Technical University, 2013-09)The electrical properties of single-walled carbon nanotube electrophoreses deposition on different types of gold-plated microstrip devices are investigated. Simple transmission lines, transmission line resonators and ...
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Stander, Tinus; IEEE International Microwave and RF Conference (2015 : Hyderabad, India) (Institute of Electrical and Electronics Engineers, 2015-12)On-chip EM modeling at mm-wave frequencies requires design methods that incorporate the layout and verification macros of IC EDA tools with parameterized EM CAD. We propose a novel, flexible design flow for 3D EM modeling ...
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Sinha, Saurabh; Bhana, V.B. (Vishal); Stander, Tinus; International Conference on Radioelektronika, 23rd : 2013 : Pardubice, Czech Republic (Institute of Electrical and Electronics Engineers, 2013-04)A mm-wave BiCMOS back-end metallization switched delay line frequency agile filter is presented. Miniaturization of the delay lines is achieved by using slow-wave propagation modes on shielded CPWs, with a standard ...
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Osuch, Piotr Jan; Stander, Tinus (Radioengineering Society, 2016-06)All-pass networks with prescribed group delay are used for analogue signal processing and equalisation of transmission channels. The state-of-the-art methods for synthesising quasi-arbitrary group delay functions ...
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Osuch, Piotr Jan; Stander, Tinus (Institute of Electrical and Electronics Engineers, 2019-03)Analogue signal processing (ASP) is a promising alternative to DSP techniques in future telecommunication and data processing solutions. Second‐order all‐pass delay networks – the building blocks of ASPs – ...
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Oyedokun, Titus; Geschke, Riana H.; Stander, Tinus (Cambridge University Press, 2022-05)Please read abstract in the article.
Now showing items 1-20 of 39