Title :
A Merged LNA-Mixer Design with On-Chip Balun
Author :
Chen, Hsien-Ku ; Sha, J.R. ; Chang, Da-Chiang ; Juang, Ying-Zong ; Chiu, Chin-Fong
Author_Institution :
Nat. Appl. Res. Labs., Nat. Chip Implementation Center, Hsinchu
Abstract :
In this paper, the design and application of an on-chip transformer balun for RFIC has presented. Single-ended primary and differential secondary are constructed without using three individual windings for simple layout. Besides, this new topology has the same physical common visual ground point for second winding, which eliminates imbalance due to potential difference at the ground from conventional trifilar. Furthermore, this new on-chip balun is successfully applied to the integration of 5.8-GHz LNA-mixer implemented on SiGe 0.35-mum BiCMOS process then achieves 4.15-dB noise figure (NF), 34.61-dB conversion gain, and -9.5-dBm input third-order intercept-point with low power consumption of 9-mW
Keywords :
BiCMOS integrated circuits; Ge-Si alloys; baluns; integrated circuit design; low noise amplifiers; microwave amplifiers; microwave integrated circuits; microwave mixers; 0.35 micron; 34.61 dB; 4.15 dB; 5.8 GHz; 9 mW; BiCMOS process; SiGe; conventional trifilar; low noise amplifier; merged LNA-mixer design; on-chip transformer balun; radiofrequency integrated circuit; BiCMOS integrated circuits; Costs; Energy consumption; Germanium silicon alloys; Impedance matching; Noise measurement; Radiofrequency integrated circuits; Signal design; Silicon germanium; Topology;
Conference_Titel :
VLSI Design, Automation and Test, 2006 International Symposium on
Conference_Location :
Hsinchu
Print_ISBN :
1-4244-0179-8
Electronic_ISBN :
1-4244-0180-1
DOI :
10.1109/VDAT.2006.258184
