Title :
A multicarrier amplifier with low third-order intermodulation distortion
Author :
Jenkins, W.J. ; Khanifar, A.
Author_Institution :
Dept. of Electron. & Electr. Eng., Univ. Coll. London, UK
Abstract :
This paper describes the application of a novel amplifier linearisation technique that reduces third-order intermodulation distortion (IMD3). Linearity is improved by adding a carefully-engineered linearising signal to the RF carrier(s). Mathematical analysis, simulation and practical results are presented. Typical measured results with 4-tone input signals show a reduction in third-order intermodulation distortion components of between 9 dB and 26 dB.
Keywords :
intermodulation distortion; linearisation techniques; radiofrequency amplifiers; RF signal; linearisation technique; multicarrier amplifier; third-order intermodulation distortion; Bandwidth; Educational institutions; Feedback circuits; Intermodulation distortion; Linearization techniques; Phase distortion; RF signals; Radio frequency; Radiofrequency amplifiers; Signal generators;
Conference_Titel :
Microwave Symposium Digest. 2000 IEEE MTT-S International
Conference_Location :
Boston, MA, USA
Print_ISBN :
0-7803-5687-X
DOI :
10.1109/MWSYM.2000.862263
