The paper extends the Wiener modeling approach to the microwave mixers operating in nonlinear regime across a broad-bandwidth, and presents its extraction from large-signal vector measurements. The mixer Wiener model assumes for its linear block the mixer conversion matrix, which characterizes the main mixing products (MPs), within an a priory defined broad-bandwidth. The model is capable of predicting the higher-order MPs about an arbitrary number of LO harmonics. This paper gives a detailed model analytical treatment, and its validation by using a commercial passive mixer that operates with a 3 GHz LO, an IF band of 10-1400 MHz. The independent experimental validation is achieved in both the single-tone large-signal regime and the envelope domain, the latter when driven by a 20 MHz OFDM signal at different power levels
Broad-band poly-harmonic wiener modeling of mixers based on large-signal vector measurements / Cidronali, Alessandro. - ELETTRONICO. - 2016-:(2016), pp. 1-4. (Intervento presentato al convegno 2016 IEEE MTT-S International Microwave Symposium, IMS 2016 tenutosi a usa nel 2016) [10.1109/MWSYM.2016.7540116].
Broad-band poly-harmonic wiener modeling of mixers based on large-signal vector measurements
CIDRONALI, ALESSANDRO
2016
Abstract
The paper extends the Wiener modeling approach to the microwave mixers operating in nonlinear regime across a broad-bandwidth, and presents its extraction from large-signal vector measurements. The mixer Wiener model assumes for its linear block the mixer conversion matrix, which characterizes the main mixing products (MPs), within an a priory defined broad-bandwidth. The model is capable of predicting the higher-order MPs about an arbitrary number of LO harmonics. This paper gives a detailed model analytical treatment, and its validation by using a commercial passive mixer that operates with a 3 GHz LO, an IF band of 10-1400 MHz. The independent experimental validation is achieved in both the single-tone large-signal regime and the envelope domain, the latter when driven by a 20 MHz OFDM signal at different power levelsFile | Dimensione | Formato | |
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