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Gas spectroscopy with 245 GHz circuits in SiGe BiCMOS and Frac-N PLL for frequency ramps

Schmalz, K. and Borngräber, J. and Yilmaz, Berk and Rothbart, Nick and Kissinger, D. and Hübers, H.-W. (2017) Gas spectroscopy with 245 GHz circuits in SiGe BiCMOS and Frac-N PLL for frequency ramps. SENSORS, 2016 IEEE, 30. Okt. - 3. Nov. 2016, Orlando (Florida), USA. DOI: 10.1109/ICSENS.2016.7808453

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Official URL: http://ieeexplore.ieee.org/document/7808453/?reload=true

Abstract

A compact gas spectroscopy system is presented, which contains a 245 GHz transmitter (TX) and a subharmonic receiver (RX) in SiGe BiCMOS technology, as well as a gas absorption cell. The local oscillators (LOs) of the RX and the TX are controlled by two external Fractional-N phase-locked loops (Frac-N PLLs) allowing fast frequency ramps with superimposed frequency shift keying (FSK) or analog frequency modulation. The sensitivity of this spectroscopic system is evaluated by measuring the high-resolution absorption spectrum of gaseous methanol (CH3OH). Spectra of CH3OH with a high signal-to-noise ratio (SNR) are shown for the range 241–242 GHz.

Item URL in elib:https://elib.dlr.de/110748/
Document Type:Conference or Workshop Item (Speech)
Title:Gas spectroscopy with 245 GHz circuits in SiGe BiCMOS and Frac-N PLL for frequency ramps
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Schmalz, K.ihp frankfurt, oderUNSPECIFIED
Borngräber, J.ihp frankfurt, oderUNSPECIFIED
Yilmaz, BerkSilicon RadarUNSPECIFIED
Rothbart, Nicknick.rothbart (at) dlr.deUNSPECIFIED
Kissinger, D.ihp frankfurt, oderUNSPECIFIED
Hübers, H.-W.UNSPECIFIEDUNSPECIFIED
Date:9 January 2017
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
DOI :10.1109/ICSENS.2016.7808453
Status:Published
Keywords:Terahertz, Millimeterwellen, SiGe, Gasspektroskopie
Event Title:SENSORS, 2016 IEEE
Event Location:Orlando (Florida), USA
Event Type:international Conference
Event Dates:30. Okt. - 3. Nov. 2016
Organizer:IEEE
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Transport
HGF - Program Themes:Traffic Management (old)
DLR - Research area:Transport
DLR - Program:V VM - Verkehrsmanagement
DLR - Research theme (Project):V - Optimode.net (old)
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Optical Sensor Systems
Deposited By: Rothbart, Nick
Deposited On:17 Jan 2017 10:13
Last Modified:17 Jan 2017 10:13

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