A 60-GHz Power Amplifier Design using Dual-Radial Symmetric Architecture in 90-nm Low Power CMOS
Journal
IEEE Transactions on Microwave Theory and Techniques
Journal Volume
61
Journal Issue
3
Pages
1280-1290
Date Issued
2013-03
Author(s)
Abstract
An innovative on-chip 3-D power amplifier (PA) architecture for M -way power-combined CMOS PAs by using the proposed dual-radial symmetric architecture is presented. It provides design freedom of impedance selection of power device in transformer-based millimeter-wave PA design. This idea also makes distinguished breakthrough to the traditional 2-D PA architecture without compromising symmetry and compact size of layout. To demonstrate the feasibility of this idea, a 60-GHz PA is fabricated in 90-nm low-power CMOS process. It is also equipped with multi-mode operation. It achieves an output power of 18.5 dBm and a power-added efficiency of 10.2% with 1.2-V supply voltage. At 6-dB/10-dB power back-off operation, the drain efficiencies of power stage can be enhanced from 5.9%/2.4% to 11.9%/8%, respectively, by enabling the multi-mode operation.
SDGs
Type
journal article