By Topic

A CMOS Transformer-Based Current Reused SSBM and QVCO for UWB Application

Sign In

Cookies must be enabled to login.After enabling cookies , please use refresh or reload or ctrl+f5 on the browser for the login options.

Formats Non-Member Member
$33 $13
Learn how you can qualify for the best price for this item!
Become an IEEE Member or Subscribe to
IEEE Xplore for exclusive pricing!
close button

puzzle piece

IEEE membership options for an individual and IEEE Xplore subscriptions for an organization offer the most affordable access to essential journal articles, conference papers, standards, eBooks, and eLearning courses.

Learn more about:

IEEE membership

IEEE Xplore subscriptions

2 Author(s)
Wei Li ; Department of Electronic Engineering, The Chinese University of Hong Kong, Shatin, Hong Kong ; Kwok-Keung M. Cheng

This paper presents the design of a low-voltage current-reused single-sideband mixer (SSBM) and quadrature voltage-controlled oscillator (QVCO) for Mode-1 multi-band orthogonal frequency division multiplexing ultra-wideband frequency synthesizer application. The proposed architecture is a low-voltage and low-power solution by stacking the SSBM on top of a pMOS parallel QVCO. For low-voltage operation, two symmetric transformers are used to perform quadrature oscillation and signal coupling. In addition, source degeneration capacitors are introduced to eliminate bimodal oscillation in QVCO and fix the phase sequence of the quadrature signal. For experimental demonstration, the proposed circuit was fabricated in a 0.18-μm CMOS technology. The prototype occupies a core area of 0.8 mm2 and consumes about 11 mA from a 1.6-V power supply. Measurement results show that the image spurious rejection is over 43 dBc and the output phase noise of the SSBM is better than -111.4 dBc/Hz at 1-MHz offset from carrier (3.432 GHz).

Published in:

IEEE Transactions on Microwave Theory and Techniques  (Volume:61 ,  Issue: 6 )