. "Urbanec, Tom\u00E1\u0161" . "2"^^ . "464244" . . "P(GA102/04/0553), Z(MSM0021630513)" . "RIV/00216305:26220/06:PU57309!RIV07-GA0-26220___" . . . "RIV/00216305:26220/06:PU57309" . . "Frequency multipliers, Optimal bias/drive regime of operation, Harmonic termination, Low-pass filter, Defected ground structures, Optimization, Computer aided design (CAD)"@en . . . . . . . "Politechnika Warszawska" . . "Optimalizace kmito\u010Dtov\u00E9ho n\u00E1sobi\u010De na struktur\u00E1ch DGS"@cs . . "A novel method for the optimization of the active frequency multiplier utilizing the harmonic terminating impedances with the defected ground structures (DGS) has been developed. Furthermore, a new type of the low-pass filter with DGS for the higher harmonic suppression will be reported. Experimental conversion gains (14.52 dB for the doubler, 5.56 dB for the tripler and 0.43 dB for the quadrupler) and real power-added efficiency (32.76  for the doubler, 10.15  for the tripler and 1.42  for the quadrupler) have been attained. To our knowledge, in the considered frequency range, these results represent the best performance reported up to date for the active frequency multipliers utilizing the low-cost BJT."@en . . . "Kut\u00EDn, Petr" . "[D817F9A0926A]" . "16th International Conference on Microwaves,Radar and Wireless Communications MIKON\u20132006" . "83-906662-7-8" . "Advanced Technique for Optimization of Active Frequency Multiplier Utilizing Harmonic Terminating Impedances with DGS" . . . "Krakow" . . "Krakow" . "Advanced Technique for Optimization of Active Frequency Multiplier Utilizing Harmonic Terminating Impedances with DGS"@en . "2006-05-22+02:00"^^ . "1119-1122" . "Tato pr\u00E1ce poskytuje podrobnou studii problematiky n\u00E1vrhu aktivn\u00EDho frekven\u010Dn\u00EDho n\u00E1sobi\u010De. Analyzov\u00E1ny jsou zde dv\u011B z\u00E1kladn\u00ED oblasti. Prvn\u00ED oblast\u00ED je volba optim\u00E1ln\u00EDho pracovn\u00EDho re\u017Eimu tranzistoru, kter\u00FD pracuje jako nelinearita nezbytn\u00E1 pro n\u00E1soben\u00ED harmonick\u00E9ho sign\u00E1lu. Metodika vyu\u017E\u00EDvaj\u00EDc\u00ED modern\u00EDho prost\u0159ed\u00ED CAD poskytuje ve form\u011B 3D a 2D vrstevnicov\u00FDch graf\u016F p\u0159ehledn\u00FD zp\u016Fsob ur\u010Den\u00ED optim\u00E1ln\u00EDho pracovn\u00EDho re\u017Eimu pro maximalizaci po\u017Eadovan\u00E9ho parametru, \u010Di kompromisn\u00ED \u0159e\u0161en\u00ED pro v\u00EDce sledovan\u00FDch parametr\u016F najednou. Podm\u00EDnkou dobr\u00E9 predikce optim\u00E1ln\u00EDho pracovn\u00EDho re\u017Eimu, je dostate\u010Dn\u011B p\u0159esn\u00FD neline\u00E1rn\u00ED model pou\u017Eit\u00E9ho tranzistoru. Druhou oblast\u00ED je studie vlivu zakon\u010Den\u00ED harmonick\u00FDch slo\u017Eek pomoc\u00ED vhodn\u00FDch impedanc\u00ED. Jako optim\u00E1ln\u00ED impedance pro zakon\u010Dov\u00E1n\u00ED byl ur\u010Den zkrat, jeho\u017E pou\u017Eit\u00ED v anal\u00FDz\u00E1ch prok\u00E1zalo pozitivn\u00ED vliv na zlep\u0161en\u00ED z\u00E1kladn\u00EDch parametr\u016F n\u00E1sobi\u010D\u016F. V pr\u00E1ci jsou dostate\u010Dn\u011B pops\u00E1ny ko"@cs . "Optimalizace kmito\u010Dtov\u00E9ho n\u00E1sobi\u010De na struktur\u00E1ch DGS"@cs . "26220" . "Advanced Technique for Optimization of Active Frequency Multiplier Utilizing Harmonic Terminating Impedances with DGS"@en . "4"^^ . . . . . . "Advanced Technique for Optimization of Active Frequency Multiplier Utilizing Harmonic Terminating Impedances with DGS" . "A novel method for the optimization of the active frequency multiplier utilizing the harmonic terminating impedances with the defected ground structures (DGS) has been developed. Furthermore, a new type of the low-pass filter with DGS for the higher harmonic suppression will be reported. Experimental conversion gains (14.52 dB for the doubler, 5.56 dB for the tripler and 0.43 dB for the quadrupler) and real power-added efficiency (32.76  for the doubler, 10.15  for the tripler and 1.42  for the quadrupler) have been attained. To our knowledge, in the considered frequency range, these results represent the best performance reported up to date for the active frequency multipliers utilizing the low-cost BJT." . "2"^^ .