Title :
Ground pattern for improved characteristics of spiral RF transformers on silicon
Author :
Ng, K.T. ; Rejaei, B. ; Burghartz, J.N.
Author_Institution :
Lab. of Electron. Components, Technol. & Mater., Delft Univ. of Technol., Netherlands
Abstract :
The maximum available gain is used to evaluate the quality of transformers similarly to that of active devices. A highly structured patterned ground shield is shown to improve the frequency response of the maximum available gain of a transformer at high frequencies.
Keywords :
MMIC; Q-factor; coils; electromagnetic shielding; high-frequency transformers; Si; active devices; frequency response; ground pattern; maximum available gain; silicon; spiral RF transformers; structured patterned ground shield; transformer gain; transformer quality; Coils; Impedance matching; Inductors; Microwave technology; Mutual coupling; Q factor; Radio frequency; Silicon; Spirals; Transformers;
Conference_Titel :
Silicon Monolithic Integrated Circuits in RF Systems, 2001. Digest of Papers. 2001 Topical Meeting on
Conference_Location :
Ann Arbor, MI, USA
Print_ISBN :
0-7803-7129-1
DOI :
10.1109/SMIC.2001.942344
