Title :
Analysis and elimination of parametric oscillations in monolithic power amplifiers
Author :
Anakabe, A. ; Collantes, J.-M. ; Portilla, J. ; Jugo, J. ; Mallet, A. ; Lapierre, L. ; Fraysse, J.-P.
Author_Institution :
Electricity & Electron. Dept., Univ. of the Basque Country, Bilbao, Spain
Abstract :
This work describes an analysis and design methodology for eliminating parametric oscillations in microwave power amplifiers. Large-signal stability analyses based on system pole-zero identification techniques are proposed to guide the design process towards a stable circuit. In order to demonstrate the proposed approach, parametric oscillations of a Ku-band MMIC power amplifier have been eliminated, while maintaining the original performances of the circuit.
Keywords :
MMIC power amplifiers; circuit oscillations; circuit stability; identification; nonlinear network analysis; poles and zeros; Ku-band MMIC power amplifier; large-signal stability analyses; microwave power amplifiers; monolithic power amplifiers; multistage amplifiers; parametric oscillations elimination; stabilization circuitry; stable circuit; system pole-zero identification techniques; Circuit simulation; Circuit stability; Design methodology; Frequency response; Information analysis; MMICs; Microwave amplifiers; Power amplifiers; Stability analysis; Steady-state;
Conference_Titel :
Microwave Symposium Digest, 2002 IEEE MTT-S International
Conference_Location :
Seattle, WA, USA
Print_ISBN :
0-7803-7239-5
DOI :
10.1109/MWSYM.2002.1012304
