A 6.5-GHz LC VCO with Integrated-Transformer Tuning

Author

Tu, Chia-Chieh ; Yang, Ching-Yuan

Author_Institution

Dept. of Electr. Eng., National Chung-Hsing Univ., Taichung

fYear

2006

fDate

4-7 Dec. 2006

Firstpage

510

Lastpage

513

Abstract

This paper presents a LC-tank voltage-controlled oscillator (VCO) with a transformer-based tuning topology implemented in 0.18-mum CMOS process. The proposed topology uses an integrated transformer to provide voltage-controlled inductance value. The measured phase noise is mu122.85 dBc at 1-MHz offset from a 6.45-GHz carrier and its tuning range is 600MHz from 6.11 to 6.71 GHz

Keywords

CMOS integrated circuits; circuit tuning; microwave oscillators; phase noise; transformers; voltage-controlled oscillators; 0.18 micron; 6.11 to 6.71 GHz; 600 MHz; CMOS process; LC-tank voltage-controlled oscillator; integrated-transformer tuning; phase noise; transformer-based tuning topology; voltage-controlled inductance value; Coils; Frequency; Inductance; Inductors; Parasitic capacitance; Phase noise; Tunable circuits and devices; Tuning; Varactors; Voltage-controlled oscillators; LC VCO; transformer;

fLanguage

English

Publisher

ieee

Conference_Titel

Circuits and Systems, 2006. APCCAS 2006. IEEE Asia Pacific Conference on

Conference_Location

Singapore

Print_ISBN

1-4244-0387-1

Type

conf

DOI

10.1109/APCCAS.2006.342520

Filename

4145443

Link To Document

https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=2242174