Zobrazeno 1 - 10
of 360
pro vyhledávání: '"K. Schmalz"'
Transmitters and receivers in SiGe BiCMOS technology for sensitive gas spectroscopy at 222 - 270 GHz
Publikováno v:
AIP Advances, Vol 9, Iss 1, Pp 015213-015213-8 (2019)
This paper presents transmitter and receiver components for a gas spectroscopy system. The components are fabricated in IHP’s 0.13 μm SiGe BiCMOS technology. Two fractional-N phase-locked loops are used to generate dedicated frequency ramps for th
Externí odkaz:
https://doaj.org/article/68ec64040b4a4490b64ce66370da7cdd
Publikováno v:
Advances in Radio Science, Vol 5, Pp 313-320 (2007)
We present an analytical phase noise model for fractional-N phase-locked loops (PLL) with emphasis on integrated RF synthesizers in the GHz range. The noise of the crystal reference, the voltage-controlled oscillator (VCO), the loop filter, the charg
Externí odkaz:
https://doaj.org/article/8feecbcd778242e4854f4bf124812f11
Autor:
Defu Wang, Dietmar Kissinger, Johannes Borngraber, Herman Jalli Ng, K. Schmalz, Andrea Malignaggi, Maciej Kucharski, Jongwon Yun, Thomas Kampfe, Konrad Seidel, Mohamed Hussein Eissa
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. 67:5296-5306
This article presents a fully differential power-tuning heterodyne on-chip sensing readout system at 240 GHz. The chip enables the measurement of not only the transmission parameter but also the reflection parameter to sense the permittivity of diffe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8402138106099c99483f815285b7cd2b
https://doi.org/10.1109/tmtt.2019.2949820
https://doi.org/10.1109/tmtt.2019.2949820
A 480-GHz sensor consists of signal stimulus and the transducer element as well as a subharmonic mixer in a 130-nm SiGe BiCMOS technology is reported. It features a mixer-first architecture based on down-conversion subharmonic mixer, an local oscilla
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d651052d0f732fe5dd9037e91ac5040a
https://publica.fraunhofer.de/handle/publica/265770
https://publica.fraunhofer.de/handle/publica/265770
Autor:
Dietmar Kissinger, Minsu Ko, K. Schmalz, Mohamed Hussein Eissa, Ahmet Cagri Ulusoy, Andrea Malignaggi, Johannes Borngraber
Publikováno v:
International Journal of Microwave and Wireless Technologies. 10:562-569
Dieser Beitrag ist mit Zustimmung des Rechteinhabers aufgrund einer (DFG geförderten) Allianz- bzw. Nationallizenz frei zugänglich.
This publication is with permission of the rights owner freely accessible due to an Alliance licence and a nati
This publication is with permission of the rights owner freely accessible due to an Alliance licence and a nati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::35a3ebe2ac5dcca01ac12736cc361e54
https://doi.org/10.1017/s1759078718000235
https://doi.org/10.1017/s1759078718000235
Autor:
M. dos Santos Dias, N. Biniskos, F. J. dos Santos, K. Schmalzl, J. Persson, F. Bourdarot, N. Marzari, S. Blügel, T. Brückel, S. Lounis
Publikováno v:
Nature Communications, Vol 14, Iss 1, Pp 1-8 (2023)
Abstract The phase of the quantum-mechanical wave function can encode a topological structure with wide-ranging physical consequences, such as anomalous transport effects and the existence of edge states robust against perturbations. While this has b
Externí odkaz:
https://doaj.org/article/a44e3d65872949159130fbf7a834d0d1
Autor:
K. Schmalz, Yuan Liang, J. Borngraber, Q. H. Le, Defu Wang, J. Yun, Konrad Seidel, Dietmar Kissinger, Herman Jalli Ng, Andrea Malignaggi, Mohamed Hussein Eissa, Thomas Kampfe, D. K. Huynh, Yong Wang, Maciej Kucharski
Publikováno v:
2019 IEEE MTT-S International Microwave Symposium (IMS).
This paper presents a wideband integrated dielectric sensor with read-out circuit at 207-257 GHz in SiGe BiCMOS technology. The sensing element is equipped by a resonator that provides a bandpass frequency response which is varied in accordance to th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1ff0ee3d912c2906c473dc174defaf76
https://doi.org/10.1109/mwsym.2019.8700819
https://doi.org/10.1109/mwsym.2019.8700819
We present results on the detection of Volatile Organic Compounds (VOCs) in exhaled human breath by mmW/THz spectroscopy. Two spectrometers were used: The first one is based on a transmitter and a receiver in SiGe BiCMOS technology. In a breath sampl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c532805d46a9a3589049e0cb60732887
https://elib.dlr.de/124533/
https://elib.dlr.de/124533/
We present a millimeter-wave/terahertz (mmW/THz) gas spectroscopy sensor system based on SiGe BiCMOS technology. We demonstrate spatial combining of two transmitters which allows for a total spectral coverage of up to 50 GHz. SiGe technology can achi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6f96ef8fdb61d7d92793b2d54c13208a
https://doi.org/10.1109/irmmw-thz.2018.8510073
https://doi.org/10.1109/irmmw-thz.2018.8510073
Publikováno v:
EMBC
Experiments using an on-chip sensor in silicon technology for dielectric measurements at 120 GHz are presented. The passive sensor element, a coplanar strip line (CPS) bandpass filter, consists of a combination of short-ended T-stubs placed inside a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c0932ff4859ee0c641016e35163a2352
https://doi.org/10.1109/embc.2018.8513571
https://doi.org/10.1109/embc.2018.8513571