Thomas F. Bechteler

Max Planck Institute for Extraterrestrial Physics

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Alexander Altmann

University of Regensburg

K. Nandra

Max Planck Institute for Extraterrestrial Physics

Robert Andritschke

Max Planck Institute for Extraterrestrial Physics

P. Lechner

Halbleiterlabor of the Max-Planck-Society

Yaşar Gürbüz

Sabancı Üniversitesi

C. Fiorini

Politecnico di Milano

Rafael Strecker

Max Planck Institute for Extraterrestrial Physics

Günter Hauser

Max Planck Institute for Extraterrestrial Physics

R. S. Weigel

George Mason University

S. Aydinhk Bechteler

Izmir Institute of Technology

Cooperative Institutions

Sabancı Üniversitesi

Max Planck Institute for Extraterrestrial Physics

Izmir Institute of Technology

Halbleiterlabor of the Max-Planck-Society

Max Planck Society

Politecnico di Milano

Institute of Electrical and Electronics Engineers

Goddard Space Flight Center

Munich University of Applied Sciences

Middle East Technical University

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Characterization and Setting of Fast Multiplexing Readout Electronics for a Multicell Silicon Drift Detector Used in X-Ray Spectroscopy

IEEE Transactions on Nuclear Science (2024)

Alexander Altmann Thomas F. Bechteler P. Lechner C. Fiorini K. Nandra

A silicon drift detector (SDD) module has been developed to be used in high-time resolution X-ray spectroscopy. The module consists of a 19-cell SDD chip and three readout application-specific integrated circuits (ASICs). With respect to timing and energy resolution, the readout ASIC with its programmable setting parameters is characterized. Based on the results of this characterization, analytical rules for these setting parameters are established to obtain the optimum performance of the module. The performance of the module is verified by means of measurements. With the ascertained parameter values and selecting the available shaping time of

$1.02~\mu \text{s}$

, a minimum time interval of

$1.87~\mu \text{s}$

between pulses and an energy resolution of 176 eV at 5.9 keV and at a temperature of −30 °C are achieved.

Silicon drift detector

Application-specific integrated circuit

Characterization

Nuclear electronics

X-ray detector

10.1109/tns.2024.3355204

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Citations (1)

Polyurethane Nanofiber Webs for Sensor and Actuator Applications in Microelectromechanical Systems (MEMS)

MRS Proceedings (2003)

Mustafa M. Demir Mansoor Naseer Thomas F. Bechteler Yaşar Gürbüz Yusuf́ Z. Menceloǵlu

Electrospinning

Piezoresistive effect

10.1557/proc-782-a5.29

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Citations (1)

Silicon drift detectors for the Spectroscopy Focusing Array of eXTP

arXiv (Cornell University) (2024)

Alexander Altmann Thomas F. Bechteler Rafael Strecker P. Lechner Robert Andritschke

We present a silicon drift detector (SDD) system for the spectroscopy focusing array (SFA) of the enhanced X-ray timing and polarimetry (eXTP) mission. The SFA focuses on fast timing (time resolution below 10 {\mu}s) and good spectroscopy capabilities (energy resolution better than 180 eV @ 6 keV). The sensor, consisting of 19 hexagonally shaped pixels with a total sensitive area of ${5.05}\, cm^{2}$, is connected to three high time resolution spectroscopy (HTRS) ASICs, allowing a fast readout of the detector signals. The detector works in a Charge- Sensitive Amplifier configuration. We assembled a prototype detector module and present here its mechanical design, describe the used sensor, and report about its performance.

Silicon drift detector

10.48550/arxiv.2407.09185

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Citations (0)

2-D localization and identification based on SAW ID-tags at 2.5 ghz

IEEE Transactions on Microwave Theory and Techniques (2003)

Thomas F. Bechteler Hüsnü Yenigün

An identification and localization system based on surface acoustic wave (SAW) radio sensors is presented in this paper. This system is able to identify and localize objects within a two-dimensional area. Identification is achieved with a fixed coded passive SAW identification-tag. Localization is carried out with three receiving antennas and with a following analysis of time delay between the sent interrogation signal and the received signals. For practical tests, a special interrogator has been established, as well as the receiving and demodulation unit. The whole system is controlled by a computer.

Identification

SIGNAL (programming language)

10.1109/tmtt.2003.810142

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Citations (80)

Lagrangian formulation of electromagnetic fields in nondispersive medium by means of the extended Euler–Lagrange differential equation

International Journal of Engineering Science (2008)

Cem Civelek Thomas F. Bechteler

Euler–Lagrange equation

10.1016/j.ijengsci.2008.06.007

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Citations (12)

Analysis of Excitations for a Groove Guide Resonator at 10 GHz by means of the FDTD Method

International Journal of Infrared and Millimeter Waves (2005)

Thomas F. Bechteler

Groove (engineering)

Classical electromagnetism

Frequency band

10.1007/s10762-005-5654-5

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Citations (3)

Electrical Power Net Systems in Cars—Impedance Modeling and Measurement

IEEE Transactions on Vehicular Technology (2009)

M.S. Bechteler C.M. Schessl Thomas F. Bechteler

The impedance of power-net systems in cars is described and modeled. The effects of power sources, electric devices, and cabling on the systems' impedance are investigated to predict frequency-dependent voltage fluctuations and resultant possible interferences. Then, a rapid and accurate method for measuring the impedance of electrical power-net systems in cars is presented. This method is based on a time-domain measurement. At an access point, where an electrical load is to be connected, the power net is loaded with a current pulse with peak amplitudes up to 100 A. The current pulse and the resulting voltage response are digitally recorded versus time. By means of a Fourier transform, the impedance at the access point is computed in a frequency range between 0 Hz [direct current (dc)] and 100 kHz.

Output impedance

Impedance bridging

10.1109/tvt.2009.2037886

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Citations (4)

Silicon drift detectors for the Spectroscopy Focusing Array of eXTP

Space Telescopes and Instrumentation 2022: Ultraviolet to Gamma Ray (2024)

Alexander Altmann Thomas F. Bechteler Rafael Strecker P. Lechner Robert Andritschke

10.1117/12.3018813

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Citations (0)

Switchless bidirectional amplifier for wireless communication systems

Microwave and Optical Technology Letters (2007)

A. Bechteler Thomas F. Bechteler

Abstract A bidirectional amplifier working at 2.4 GHz is presented in this article. The presented amplifier is able to amplify two signals simultaneously. This, since commonly used radio frequency switches are replaced by circulators. The amplifier is designed on a single small‐sized printed circuit board. First, the new amplifier circuit is proposed and characterized. Then, its advantages and design problems are analyzed. Finally, design instructions are setup in order to obtain a good performance of the switchless amplifier within the frequency band of interest. © 2007 Wiley Periodicals, Inc. Microwave Opt Technol Lett 49: 1888–1890, 2007; Published online in Wiley Inter‐Science (www.interscience.wiley.com). DOI 10.1002/mop.22631

Circulator

Direct-coupled amplifier

Linear amplifier

Instrumentation amplifier

FET amplifier

10.1002/mop.22631

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Citations (3)

An analytical design methodology for microelectromechanical (MEM) filters

Sensors and Actuators A Physical (2004)

Yaşar Gürbüz Mustafa Parlak Thomas F. Bechteler Ayhan Bozkurt

Electronic filter topology

Electronic filter

Butterworth filter

10.1016/j.sna.2004.08.031

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Citations (11)