Title :
Improvement of Oscilloscope Based RF Measurements by Statistical Averaging Techniques
Author :
Fager, Christian ; Andersson, Kristoffer
Author_Institution :
Dept. of Microtechnology & Nanoscience, Chalmers Univ. of Technol., Goteborg
Abstract :
This paper demonstrates a method for accurate characterization of modulated microwave signals using a digital storage oscilloscope (DSO). Repeated measurements of the modulated signal are used with statistical averaging techniques to significantly improve the dynamic range. The performance of the method is evaluated by residual EVM and RF spectrum measurements. AM/AM measurements using two DSO channels are used to demonstrate the ability to perform synchronous input/output PA characterization
Keywords :
amplitude modulation; digital storage oscilloscopes; microwave measurement; signal processing; spectral analysers; statistical analysis; AM/AM measurements; EVM spectrum measurements; digital storage oscilloscope; modulated microwave signals; radiofrequency measurements; radiofrequency spectrum measurements; statistical averaging; statistical signal processing; time domain measurement; Bandwidth; Demodulation; Dynamic range; Frequency measurement; Microwave theory and techniques; Oscilloscopes; Performance evaluation; Radio frequency; Signal analysis; Time measurement; Statistical signal processing; base-band; digital storage oscilloscope; time domain measurement;
Conference_Titel :
Microwave Symposium Digest, 2006. IEEE MTT-S International
Conference_Location :
San Francisco, CA
Print_ISBN :
0-7803-9541-7
Electronic_ISBN :
0149-645X
DOI :
10.1109/MWSYM.2006.249565
