A low-voltage 40-GHz complementary VCO with 15% frequency tuning range in SOI CMOS technology |
| |
Authors: | Neric Fong Jonghae Kim Plouchart J.-O. Zamdmer N. Duixian Liu Wagner L. Plett C. Tarr G. |
| |
Affiliation: | Cognio Canada Inc., Ottawa, Ont., Canada; |
| |
Abstract: | The design of a low-voltage 40-GHz complementary voltage-controlled oscillator (VCO) with 15% frequency tuning range fabricated in 0.13-/spl mu/m partially depleted silicon-on-insulator (SOI) CMOS technology is reported. Technological advantages of SOI over bulk CMOS are demonstrated, and the accumulation MOS (AMOS) varactor limitations on frequency tuning range are addressed. At 1.5-V supply, the VCO core and each output buffer consumes 11.25 mW and 3 mW of power, respectively. The measured phase noise at 40-GHz is -109.73 dBc/Hz at 4-MHz offset from the carrier, and the output power is -8 dBm. VCO performance using high resistivity substrate (/spl sim/300-/spl Omega//spl middot/cm) has the same frequency tuning range but 2 dB better phase noise compared with using low resistivity substrate (10 /spl Omega//spl middot/cm). The VCO occupies a chip area of only 100 /spl mu/m by 100 /spl mu/m (excluding pads). |
| |
Keywords: | |
|
|