Browsing by Subject "Schottky diodes"

1/f-noise prediction in millimeter wave detectors based on quasi vertical Schottky diodes

HOEFLE, Matthias; PENIRSCHKE, Andreas; COJOCARI, Oleg; AMRHEIN, Andreas; DECOOPMAN, Thibaut; PIIRONEN, Petri; JAKOBY, Rolf (IEEE, 2013)

A modeling concept for accurate prediction of 1/f-noise in millimeter wave Schottky detectors is presented. The concept is based on DC bias current measurements with precise knowledge of the diode structure. Key aspect is ...

600 GHz GaAs Schottky diode mixer in split-block technology

SCHUR, J.; BIBER, S.; COJOCARI, O.; SCHMIDT, L.-P.; HARTNAGEL, H.-L. (IEEE, 2013)

In this paper we present measurement results of a micro-machined split-block waveguide mixer for 600 GHz. The mixer implements a planar GaAs Schottky diode on a quartz substrate. Two different diode designs used for this ...

89 GHz Schottky detector modules for MetOp-SG

HOEFLE, Matthias; COJOCARI, Oleg; RICKES, Martin; SOBORNYTSKYY, Mykola; MONTERO-DE-PAZ, Javier; DECOOPMAN, Thibaut; KANTANEN, Mikko; PÉRICHAUD, Marie-Genevieve; PIIRONEN, Petri (IEEE, 2016)

Presented is an 89 GHz waveguide coupled direct detector based on ACST low-barrier Schottky diodes. Signal-to-noise ratio (SNR) values above 35 dB within 6 dB input power dynamic are achieved with high voltage responsivity ...

89 GHz zero-bias Schottky detector for direct detection radiometry in European satellite programme MetOp-SG

HOEFLE, M.; PENIRSCHKE, A.; COJOCARI, O.; DECOOPMAN, T.; TRIER, M.; PIIRONEN, P.; PÉRICHAUD, M. G.; JAKOBY, R. (The Institution of Engineering and Technology, 2014)

An 89 GHz waveguide coupled direct detector based on a low-barrier Schottky diode is presented. The main focus is to reduce white and 1/f noise to achieve high signal-to-noise ratio values above 35 dB. The design also ...

Addressing the temperature stability in an 89 GHz Schottky detector design for radiometry

HOEFLE, Matthias; PENIRSCHKE, Andreas; AMRHEIN, Andreas; COJOCARI, Oleg; TRIER, Marc; JAKOBY, Rolf (IEEE, 2012)

A detector design for the 89 GHz channel of direct detection radiometers is proposed with high sensitive zerobias Schottky diodes. Particularly addressed is the diode's RF voltage responsivity drift with temperature at ...

Application of Zero-Bias Quasi-Optical Schottky-Diode Detectors for Monitoring Short-Pulse and Weak Terahertz Radiation

SEMENOV, A.; COJOCARI, O.; HÜBERS, H.; SONG, F.; KLUSHIN, A.; MÜLLER, A. (IEEE, 2010)

Schottky diodes are well-known nonlinear elements allowing for effective detection and mixing of electromagnetic radiation in the range through microwave to terahertz. Although less sensitive than their superconducting ...

Broadband power detector using a circularly-toothed planar logarithmic-periodic antenna

SYDLO, C.; KÖGEL, B.; COJOCARI, O.; FEIGINOV, M.; HARTNAGEL, H. L.; MEISSNER, P. (IEEE, 2005)

A broadband antenna has been coupled to a planar Schottky diode for the realisation of a sensitive power detector for mm-wave frequencies. The measured response curve is in agreement with calculations and shows values of ...

Broadband zero-bias Schottky detector for E-field measurements up to 100 GHz and beyond

HOEFLE, M.; PENIRSCHKE, A.; COJOCARI, O.; JAKOBY, R. (IEEE, 2013)

A broadband detector for electrical field measurements is presented in this paper, deploying an attenuated dipole resonance. High sensitive zero-bias Schottky diodes with anode diameters of 1.5μm allow electrical field ...

Characterisation of low-barrier Schottky diodes for millimeter wave mixer applications

KHANAL, Subash; KIURU, Tero; HOEFLE, Matthias; MONTERO, Javier; COJOCARI, Oleg; MALLAT, Juha; PIIRONEN, Petri; RÄISÄNEN, Antti V. (IEEE, 2016)

This paper presents the characterization measurements and simulations performed with ACST InGaAs low-barrier Schottky diodes for millimeter wave mixing applications. While these low-barrier Schottky diodes have been ...

Compact and Sensitive Millimetre Wave Detectors Based on Low Barrier Schottky Diodes on Impedance Matched Planar Antennas

HOEFLE, Matthias; HAEHNSEN, Katharina; OPREA, Ion; COJOCARI, Oleg; PENIRSCHKE, Andreas; JAKOBY, Rolf (Springer Nature Switzerland, 2014)

Compact and highly responsive millimeter wave planar Schottky detectors are proposed for uni-planar and low-cost fabrication. For optimum power transfer, the zero-bias Schottky diodes are impedance matched by the antenna ...

Compact Modules for Wireless Communication Systems in the E-Band (71–76 GHz)

MONTERO-DE-PAZ, Javier; OPREA, Ion; RYMANOV, Vitaly; BABIEL, Sebastian; GARCÍA-MUÑOZ LUIS, Enrique; LISAUSKAS, Alvydas; HOEFLE, Matthias; JIMENEZ, Álvaro; COJOCARI, Oleg; SEGOVIA-VARGAS, Daniel; PALANDÖKEN, Merih; TEKIN, Tolga; STÖHR, Andreas; CARPINTERO, Guillermo (Springer Nature Switzerland, 2013)

The millimeter-wave spectrum above 70 GHz provides a cost-effective solution to increase the wireless communications data rates by increasing the carrier wave frequencies. We report on the development of two key components ...

Compact Schottky barrier diode receiver for E-Band (60–90 GHz) wireless communications

MONTERO-DE-PAZ, Javier; HOEFLE, Matthias; OPREA, Ion; COJOCARI, Oleg; GARCÍA-MUÑOZ, Luis Enrique; SEGOVIA-VARGAS, Daniel; JAKOBY, Rolf; CARPINTERO, Guillermo (IEEE, 2012)

A compact E-Band receiver based on a zero bias Schottky barrier diode, folded dipole antenna and hyperhemispherical silicon lens for wireless communications is presented. Zero bias Schottky diodes were designed and ...

Current sign inverter guided by polarization

STAMOV, I. G.; SYRBU, N. N.; DOROGAN, A. V.; NEMERENCO, L. L. (Elservier, 2008)

In this work, there are studied the photodetectors’ properties (photocurrent sign inverter) of a linear polarized radiation realized on the basis of anisotropic semiconductors. The photocurrent sign guiding is made by the ...

DC- and IF-noise performance optimization of GaAs Schottky diodes for THz applications

COJOCARI, O.; BIBER, S.; MOTTET, B.; RODRIGUEZ-GIRONES, M.; HARTNAGEL, H. L.; SCHMIDT, L.-P. (IOP Publishing, 2004)

Detection in the contacts with bismuth-antimony alloy when the surface states are in dynamic regime

KERNER, Iacov (Technical University of Moldova, 2011)

Diode detectors (DD) are widely used in electronic information and communication systems. In this paper the numerical modeling of the electrical potential distribution and current passing in the contacts of niobium nitride ...

Detection in the contacts with bismuth-antimony alloy: influence of the free electrons concentration on the current responsivity

KERNER, Iacov (Technical University of Moldova, 2017)

Diode detectors (DD) are widely used in electronic information and communication systems. In this paper the numerical modeling of the electrical potential distribution and current passing in the contacts of niobium nitride ...

Detection in the Contacts With Bismuth-Antimony Alloy: Numerical Modeling of the Contact Area Role

KERNER, Iacov (Technical University of Moldova, 2011)

Diode detectors (DD) are widely used in electronic information and communication systems. The use of diodes with Schottky barrier gave a possibility to master radiowaves of high frequencies (above 1 GHz). These diodes use ...

Dispozitiv semiconductor de tip varactor şi procedeul confecţionării lui

TIGHINEANU, Ion; URSACHI, Veaceslav; ALBU, Sergiu; MONAICO, Eduard (Agenţia de Stat pentru Proprietatea Intelectuală a Republicii Moldova, 2008-01-31)

Invenţia se referă la tehnica semiconductorilor, în special la dispozitive semiconductoare cu capacitate variabilă. Dispozitivul semiconductor de tip varactor în baza diodei Schottky include un substrat semiconductor ce ...

European Schottky-Diode Based Receiver Technology

COJOCARI, O.; HOEFLE, M.; MORO-MELGAR, D.; OPREA, I.; RICKES, M. (IEEE, 2019)

This contribution summarizes recent achievements of European MM- and SubMM-Wave receiver technology using Schottky diodes and THz-MICs fabricated by so-called Film-Diode (FD) process. The FD-process has particularly been ...

Experimental validation of thermal model of MM-Wave frequency multipliers

OPREA, I.; COJOCARI, O.; SOBORNYTSKYY, M.; HARTNAGEL, H. L. (IEEE, 2013)

This paper presents a method for estimation of junction temperature of a Schottky diode used in a recently developed frequency doubler to 332 GHz. Our particular interest was the validation of the thermal model of the diode ...

Browsing by Subject "Schottky diodes"

Browsing by Subject "Schottky diodes"

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