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Large-signal characterization of an 870 MHz inverse class-F cross-coupled push-pull PA using active mixed-mode load-pull
An inverse class-F cross-coupled push-pull PA in a 0.5mum SiGe technology is presented. It is shown that inverse class-F in combination with C BC compensation is preferred over class-F operation in terms of gain roll-off and efficiency as function of collector supply voltage. The active mixed-mode l...
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creator | van der Heijden, M.P. Hartskeerl, D.M.H. Volokhine, I. Teppati, V. Ferrero, A. |
description | An inverse class-F cross-coupled push-pull PA in a 0.5mum SiGe technology is presented. It is shown that inverse class-F in combination with C BC compensation is preferred over class-F operation in terms of gain roll-off and efficiency as function of collector supply voltage. The active mixed-mode load-pull system is used to set up the proper output differential and common-mode impedances at the fundamental (870MHz) and harmonics to experimentally verify inverse class F operation with a measured PAE of 67% at 20dBm output power |
doi_str_mv | 10.1109/RFIC.2006.1651173 |
format | conference_proceeding |
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It is shown that inverse class-F in combination with C BC compensation is preferred over class-F operation in terms of gain roll-off and efficiency as function of collector supply voltage. The active mixed-mode load-pull system is used to set up the proper output differential and common-mode impedances at the fundamental (870MHz) and harmonics to experimentally verify inverse class F operation with a measured PAE of 67% at 20dBm output power</abstract><pub>IEEE</pub><doi>10.1109/RFIC.2006.1651173</doi></addata></record> |
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ispartof | IEEE Radio Frequency Integrated Circuits (RFIC) Symposium, 2006, 2006, p.4 pp.-392 |
issn | 1529-2517 2375-0995 |
language | eng |
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source | IEEE Xplore All Conference Series |
subjects | Germanium silicon alloys Impedance Laboratories Power amplifiers Power generation Power system harmonics Shape control Silicon germanium Transmitters Voltage |
title | Large-signal characterization of an 870 MHz inverse class-F cross-coupled push-pull PA using active mixed-mode load-pull |
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