Title :
A 0.25- μm CMOS ultra-wideband amplifier for time-domain UWB applications
Author :
Guan, Xin ; Nguyen, Cam
Author_Institution :
Dept. of Electr. Eng., Texas A&M Univ., College Station, TX, USA
Abstract :
An ultra-wideband (UWB) amplifier has been developed using a standard low cost 0.25-μm CMOS process for UWB applications. A finite-ground coplanar waveguide (CPW) is used for easy shunt connection and low loss. The developed UWB amplifier works over the entire ultra-wide bandwidth of 3.1-10.6 GHz under the non-sinusoidal time-domain signal operation needed for UWB systems. The amplifier was designed and characterized completely in the time domain. Time-domain measurement results show gain around 6 dB and return loss greater than 13 dB. The UWB CPW CMOS amplifier has linear phase and produces amplified signals which resemble faithfully the input UWB non-sinusoidal pulses, demonstrating its suitability for time-domain UWB applications.
Keywords :
CMOS analogue integrated circuits; MMIC amplifiers; coplanar waveguide components; distributed amplifiers; integrated circuit design; time-domain synthesis; ultra wideband technology; 0.25 micron; 3.1 to 10.6 GHz; CMOS ultra-wideband amplifier; UWB amplifier; distributed amplifier; finite-ground coplanar waveguide; gain; linear phase; nonsinusoidal time-domain signal; return loss; shunt connection; time-domain UWB applications; Bandwidth; CMOS process; Coplanar waveguides; Costs; Gain measurement; Operational amplifiers; Pulse amplifiers; Standards development; Time domain analysis; Ultra wideband technology;
Conference_Titel :
Radio Frequency integrated Circuits (RFIC) Symposium, 2005. Digest of Papers. 2005 IEEE
Print_ISBN :
0-7803-8983-2
DOI :
10.1109/RFIC.2005.1489803
