Title :
Architecture and algorithm for ultra-high precision image rejection mixer using digital compensation
Author :
Kim, Young Jin ; Park, Hyung Chul ; Nam, Ku ; Lee, Kwyro
Author_Institution :
Dept. of Electr. Eng., Korea Adv. Inst. of Sci. & Technol., Seoul, South Korea
fDate :
9/14/2000 12:00:00 AM
Abstract :
A Weaver-type ultra-high precision image rejection RF mixer architecture composed of analogue RF and digital IF mixers is proposed, along with the error compensating algorithm for various gain and phase mismatches. A prototype 2.4 GHz image rejection mixer using this technique with an image rejection ratio >70 dB is demonstrated
Keywords :
UHF integrated circuits; UHF mixers; error compensation; land mobile radio; mixed analogue-digital integrated circuits; 2.4 GHz; Weaver-type RF mixer; digital compensation; error compensating algorithm; gain mismatches; image rejection ratio; mobile radio; phase mismatches; ultra-high precision image rejection mixer;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20001151
