AUTOMATIC ADJUSTMENT OF QUADRATURE MODULATORS

被引:69
作者
FAULKNER, M
MATTSSON, T
YATES, W
机构
[1] UNIV LUND,DEPT APPL ELECTR,S-22101 LUND,SWEDEN
[2] UNIV TECHNOL SYDNEY,DEPT ELECT ENGN,SYDNEY,AUSTRALIA
关键词
MODULATORS; ADAPTIVE SYSTEMS AND CONTROL; MOBILE RADIO SYSTEMS;
D O I
10.1049/el:19910139
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
A technique for the automatic correction of errors in RF quadrature modulators is described. The method uses a diode detector to provide amplitude feedback to guide the adaption of baseband circuits that correct for carrier leak, differential gain and phase mismatch errors.
引用
收藏
页码:214 / 216
页数:3
相关论文
共 3 条
[1]  
FAULKNER M, 1990, 40TH P IEEE VEH TECH, V6
[3]  
SINSKY AI, 1974, IEEE T AES, P880