Title :
A quasi-optical linearizer
Author :
Sung, K.Y. ; Elamaran, B. ; Shiroma, W.A.
Author_Institution :
Dept. of Electr. Eng., Hawaii Univ., Honolulu, HI, USA
Abstract :
A quasi-optical linearizer array with bias controllable AM-AM and AM-PM predistortion characteristics is presented. The 4/spl times/4 array of Schottky diodes demonstrates 2.5 dB of gain expansion and 25/spl deg/ of phase compensation at L band.
Keywords :
Schottky diodes; UHF power amplifiers; linearisation techniques; AM-AM predistortion; AM-PM predistortion; L-band; Schottky diode array; bias control; gain expansion; phase compensation; power amplifier; quasi-optical linearizer; Distortion; Equivalent circuits; Linearity; MESFETs; Phased arrays; Power amplifiers; Predistortion; Resistors; Schottky diodes; Voltage;
Conference_Titel :
Microwave Symposium Digest, 2001 IEEE MTT-S International
Conference_Location :
Phoenix, AZ, USA
Print_ISBN :
0-7803-6538-0
DOI :
10.1109/MWSYM.2001.967158
