Design and Performance of a Sideband Separating SIS Mixer for 800-950 GHz

Andrey Khudchenko; Ronald Hesper; Andrey M. Baryshev; Jan Barkhof; Kirill Rudakov; Daniel Montofre; Duc Van Nguyen; Valery P. Koshelets; Pavel N. Dmitriev; Mikhail Fominsky; Christopher Heiter; Stefan Heyminck; Rolf Guesten; Bernd Klein

doi:10.1109/TTHZ.2019.2939003

Design and Performance of a Sideband Separating SIS Mixer for 800-950 GHz

Andrey Khudchenko^*, Ronald Hesper, Andrey M. Baryshev, Jan Barkhof, Kirill Rudakov, Daniel Montofre, Duc Van Nguyen, Valery P. Koshelets, Pavel N. Dmitriev, Mikhail Fominsky, Christopher Heiter, Stefan Heyminck, Rolf Guesten, Bernd Klein

^*Corresponding author for this work

Astronomy

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Abstract

We present the design and results of characterization of a new sideband separating (2SB) mixer for 800-950GHz, based on superconductor-insulator-superconductor (SIS) junctions. This is the first waveguide 2SB SIS mixer demonstrated at such a high frequency. The design is following the classical quadrature hybrid architecture, meanwhile additional attention was put on the reduction of reflections in the RF structure in order to minimize the RF imbalance, to achieve a high image rejection ratio (IRR). The RF waveguide block was manufactured by micromilling and populated by single-ended SIS mixers developed earlier for upgrade of the CHAMP+ high-band array on the APEX telescope. These SIS mixers have double-sideband (DSB) noise temperatures from 210 to 400K. The assembled 2SB mixer yields a SSB noise temperature from 450 to 900K, with an IRR above 15dB in 95 of the band. Comparing the DSB and the SSB sensitivities, we find that the waveguide losses are as low as expected and do not exceed 0.6dB. The presented mixer is a prototype for use in a 2SB dual polarization receiver planned for deployment on the APEX telescope.

Original language	English
Pages (from-to)	532-539
Number of pages	8
Journal	Ieee transactions on terahertz science and technology
Volume	9
Issue number	6
DOIs	https://doi.org/10.1109/TTHZ.2019.2939003
Publication status	Published - Nov-2019
Event	30th International Symposium on Space Terahertz Technology (ISSTT) - Gothenburg, Sweden Duration: 15-Apr-2019 → 17-Apr-2019

Keywords

Mixers
Radio frequency
Receivers
Amplitude modulation
Gain
Couplers
Scattering parameters
Image rejection ratio (IRR)
sideband separating (2SB) mixers
submillimeter wave technology
superconductor-insulator-superconductor (SIS) junctions
terahertz receivers

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Design and Performance of a Sideband Separating SIS Mixer for 800–950 GHzFinal publisher's version, 3.17 MBLicence: Taverne

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Khudchenko, A., Hesper, R., Baryshev, A. M., Barkhof, J., Rudakov, K., Montofre, D., Nguyen, D. V., Koshelets, V. P., Dmitriev, P. N., Fominsky, M., Heiter, C., Heyminck, S., Guesten, R., & Klein, B. (2019). Design and Performance of a Sideband Separating SIS Mixer for 800-950 GHz. Ieee transactions on terahertz science and technology, 9(6), 532-539. https://doi.org/10.1109/TTHZ.2019.2939003

@article{0f632d7dbb5340348ab521eaddbbfb66,

title = "Design and Performance of a Sideband Separating SIS Mixer for 800-950 GHz",

abstract = "We present the design and results of characterization of a new sideband separating (2SB) mixer for 800-950GHz, based on superconductor-insulator-superconductor (SIS) junctions. This is the first waveguide 2SB SIS mixer demonstrated at such a high frequency. The design is following the classical quadrature hybrid architecture, meanwhile additional attention was put on the reduction of reflections in the RF structure in order to minimize the RF imbalance, to achieve a high image rejection ratio (IRR). The RF waveguide block was manufactured by micromilling and populated by single-ended SIS mixers developed earlier for upgrade of the CHAMP+ high-band array on the APEX telescope. These SIS mixers have double-sideband (DSB) noise temperatures from 210 to 400K. The assembled 2SB mixer yields a SSB noise temperature from 450 to 900K, with an IRR above 15dB in 95 of the band. Comparing the DSB and the SSB sensitivities, we find that the waveguide losses are as low as expected and do not exceed 0.6dB. The presented mixer is a prototype for use in a 2SB dual polarization receiver planned for deployment on the APEX telescope.",

keywords = "Mixers, Radio frequency, Receivers, Amplitude modulation, Gain, Couplers, Scattering parameters, Image rejection ratio (IRR), sideband separating (2SB) mixers, submillimeter wave technology, superconductor-insulator-superconductor (SIS) junctions, terahertz receivers",

author = "Andrey Khudchenko and Ronald Hesper and Baryshev, {Andrey M.} and Jan Barkhof and Kirill Rudakov and Daniel Montofre and Nguyen, {Duc Van} and Koshelets, {Valery P.} and Dmitriev, {Pavel N.} and Mikhail Fominsky and Christopher Heiter and Stefan Heyminck and Rolf Guesten and Bernd Klein",

year = "2019",

month = nov,

doi = "10.1109/TTHZ.2019.2939003",

language = "English",

volume = "9",

pages = "532--539",

journal = "Ieee transactions on terahertz science and technology",

issn = "2156-342X",

publisher = "IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC",

number = "6",

note = "30th International Symposium on Space Terahertz Technology (ISSTT) ; Conference date: 15-04-2019 Through 17-04-2019",

}

Khudchenko, A, Hesper, R , Baryshev, AM , Barkhof, J, Rudakov, K, Montofre, D, Nguyen, DV, Koshelets, VP, Dmitriev, PN, Fominsky, M, Heiter, C, Heyminck, S, Guesten, R & Klein, B 2019, 'Design and Performance of a Sideband Separating SIS Mixer for 800-950 GHz', Ieee transactions on terahertz science and technology, vol. 9, no. 6, pp. 532-539. https://doi.org/10.1109/TTHZ.2019.2939003

TY - JOUR

T1 - Design and Performance of a Sideband Separating SIS Mixer for 800-950 GHz

AU - Khudchenko, Andrey

AU - Hesper, Ronald

AU - Baryshev, Andrey M.

AU - Barkhof, Jan

AU - Rudakov, Kirill

AU - Montofre, Daniel

AU - Nguyen, Duc Van

AU - Koshelets, Valery P.

AU - Dmitriev, Pavel N.

AU - Fominsky, Mikhail

AU - Heiter, Christopher

AU - Heyminck, Stefan

AU - Guesten, Rolf

AU - Klein, Bernd

PY - 2019/11

Y1 - 2019/11

N2 - We present the design and results of characterization of a new sideband separating (2SB) mixer for 800-950GHz, based on superconductor-insulator-superconductor (SIS) junctions. This is the first waveguide 2SB SIS mixer demonstrated at such a high frequency. The design is following the classical quadrature hybrid architecture, meanwhile additional attention was put on the reduction of reflections in the RF structure in order to minimize the RF imbalance, to achieve a high image rejection ratio (IRR). The RF waveguide block was manufactured by micromilling and populated by single-ended SIS mixers developed earlier for upgrade of the CHAMP+ high-band array on the APEX telescope. These SIS mixers have double-sideband (DSB) noise temperatures from 210 to 400K. The assembled 2SB mixer yields a SSB noise temperature from 450 to 900K, with an IRR above 15dB in 95 of the band. Comparing the DSB and the SSB sensitivities, we find that the waveguide losses are as low as expected and do not exceed 0.6dB. The presented mixer is a prototype for use in a 2SB dual polarization receiver planned for deployment on the APEX telescope.

AB - We present the design and results of characterization of a new sideband separating (2SB) mixer for 800-950GHz, based on superconductor-insulator-superconductor (SIS) junctions. This is the first waveguide 2SB SIS mixer demonstrated at such a high frequency. The design is following the classical quadrature hybrid architecture, meanwhile additional attention was put on the reduction of reflections in the RF structure in order to minimize the RF imbalance, to achieve a high image rejection ratio (IRR). The RF waveguide block was manufactured by micromilling and populated by single-ended SIS mixers developed earlier for upgrade of the CHAMP+ high-band array on the APEX telescope. These SIS mixers have double-sideband (DSB) noise temperatures from 210 to 400K. The assembled 2SB mixer yields a SSB noise temperature from 450 to 900K, with an IRR above 15dB in 95 of the band. Comparing the DSB and the SSB sensitivities, we find that the waveguide losses are as low as expected and do not exceed 0.6dB. The presented mixer is a prototype for use in a 2SB dual polarization receiver planned for deployment on the APEX telescope.

KW - Mixers

KW - Radio frequency

KW - Receivers

KW - Amplitude modulation

KW - Gain

KW - Couplers

KW - Scattering parameters

KW - Image rejection ratio (IRR)

KW - sideband separating (2SB) mixers

KW - submillimeter wave technology

KW - superconductor-insulator-superconductor (SIS) junctions

KW - terahertz receivers

U2 - 10.1109/TTHZ.2019.2939003

DO - 10.1109/TTHZ.2019.2939003

M3 - Article

SN - 2156-342X

VL - 9

SP - 532

EP - 539

JO - Ieee transactions on terahertz science and technology

JF - Ieee transactions on terahertz science and technology

IS - 6

T2 - 30th International Symposium on Space Terahertz Technology (ISSTT)

Y2 - 15 April 2019 through 17 April 2019

ER -

Design and Performance of a Sideband Separating SIS Mixer for 800-950 GHz

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