Zobrazeno 1 - 10
of 154
pro vyhledávání: '"W.H. Haydl"'
Autor:
Wolfgang Bronner, W.H. Haydl, L. Verweyen, Paul J. Tasker, Axel Hulsmann, Klaus Köhler, A. Bangert, J. Braunstein, Michael Schlechtweg, Hermann Massler
Publikováno v:
IEEE Journal of Solid-State Circuits. 31:1426-1434
A small signal S-parameter and noise model for the cascode MODFET has been validated up to 120 GHz, allowing predictable monolithic microwave integrated circuit (MMIC) design up to W-band. The potential of coplanar waveguide technology to build compa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cebf13c0034aae1b538bb34359ad6e79
https://doi.org/10.1109/4.540051
https://doi.org/10.1109/4.540051
Autor:
W.H. Haydl
Publikováno v:
IEEE Microwave and Guided Wave Letters. 10:514-516
Resonances and associated power loss which occur in conductor backed coplanar transmission lines (CPWs) at selected frequencies have been investigated by experiment and by three-dimensional (3-D) EM simulations from 1 to 230 GHz. It is found that a s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b136ff8d7e0dd920ca354022da15db02
https://doi.org/10.1109/75.895086
https://doi.org/10.1109/75.895086
Publikováno v:
IEEE Microwave and Guided Wave Letters. 10:189-191
W-band amplifier modules with high gain and large bandwidth have been developed for passive imaging applications, With three cascaded waveguide modules, an average small-signal gain of 60 dB and a /spl plusmn/3 dB bandwidth of 15 GHz was achieved cen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4d3fd5cc21bdfa65bb546d8ac16b0546
https://doi.org/10.1109/75.850373
https://doi.org/10.1109/75.850373
Autor:
M. Neumann, Axel Tessmann, W. Reinert, L. Venveyen, A. Bangert, W.H. Haydl, Axel Hulsmann, S. Kudszus, T. Krems, Michael Schlechtweg
Publikováno v:
IEEE Microwave and Guided Wave Letters. 9:73-75
A low-cost 94-GHz monolithically integrated coplanar FMCW radar chip has been developed, using 0.15-/spl mu/m AlGaAs-InGaAs-GaAs PM-HEMT technology. The chip includes a VCO, electrically tunable over several gigahertz, transmit and receive amplifiers
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dd9705ef8b0b818fb0511deb72e01ede
https://doi.org/10.1109/75.755051
https://doi.org/10.1109/75.755051
Autor:
W.H. Haydl
Publikováno v:
27th European Microwave Conference and Exhibition.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ca00b5e56e99bc1458bc4a28c8692883
https://doi.org/10.1109/eumc.1997.633902
https://doi.org/10.1109/eumc.1997.633902
Publikováno v:
1996 IEEE MTT-S International Microwave Symposium Digest.
The performances of two different interconnection techniques for coplanar MMICs, wire bonding and flip chip, are investigated at millimeter-wave frequencies. By developing an accurate model for the interconnections, which is validated with experiment
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fbb5b6a417c78f508147b8566209a187
https://doi.org/10.1109/mwsym.1996.508504
https://doi.org/10.1109/mwsym.1996.508504
A compact coplanar W-band variable gain amplifier MMIC with wide control range using dual-gate HEMTs
Autor:
Michael Schlechtweg, T. Krems, L. Verweyen, W.H. Haydl, Hermann Massler, Axel Hulsmann, M. Neumann, Axel Tessmann
Publikováno v:
1998 IEEE MTT-S International Microwave Symposium Digest (Cat. No.98CH36192).
A W-band variable gain amplifies MMIC with 37 dB gain at 94 GHz and a gain control range of over 70 dB has been developed. The circuit consists of four dual-gate HEMT stages, using a 0.15 /spl mu/m AlGaAs-InGaAs-GaAs PM-HEMT technology. The chip was
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::221c4ecdf995c3d347a4c6dbb7c22fbd
https://doi.org/10.1109/mwsym.1998.705084
https://doi.org/10.1109/mwsym.1998.705084
Publikováno v:
1998 IEEE MTT-S International Microwave Symposium Digest (Cat. No.98CH36192).
A coplanar subharmonically injection locked VCO for 94 GHz with a tuning range of 4.5 GHz was developed, using 0.15 /spl mu/m AlGaAs-InGaAs-GaAs PM-HEMTs. A phase noise of -71 dBc/Hz at 1 MHz offset from the carrier was measured for the unlocked VCO.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::64c98a222838b424951c7331aa988e83
https://doi.org/10.1109/mwsym.1998.700679
https://doi.org/10.1109/mwsym.1998.700679
Autor:
F. Steinhagen, W.H. Haydl, T. Krems, W. Marsetz, R. Locher, C. Wild, P. Koidl, A. HuIsmann, T.v. Kerssenbrock, P. Heide
Publikováno v:
1998 IEEE MTT-S International Microwave Symposium Digest (Cat. No.98CH36192).
The properties of coplanar transmission lines (CPWs) and -filters on polycrystalline diamond substrates are investigated over the frequency range from 1-120 GHz. Experimental results obtained for different geometries are in good agreement with theore
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c0fb30fa4035f15eb57c10a43c22566b
https://doi.org/10.1109/mwsym.1998.705177
https://doi.org/10.1109/mwsym.1998.705177
Publikováno v:
1998 IEEE MTT-S International Microwave Symposium Digest (Cat. No.98CH36192).
The impact of the packaging configuration on cross talk and feed back effects caused by parasitic substrate modes is investigated for coplanar millimeter-wave circuits. It is demonstrated theoretically and by means of several circuit examples that bo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::612f1d8dcb57cd43b9ed8a26d9f4d8a8
https://doi.org/10.1109/mwsym.1998.705183
https://doi.org/10.1109/mwsym.1998.705183