MASTER OF SCIENCE PROJECT DEFENSE BY: Yu Lu
When: Thursday,
January 11, 2018
1:00 PM
-
3:00 PM
Where: Science & Engineering Building, Lester W. Cory Conference Room: Room 213A
Cost: Free
Description: TOPIC: USING ADS TO DESIGN A LOW-NOISE AMPLIFER
LOCATION: Lester W. Cory Conference Room, Science & Engineering Building (SENG), Room 213A
ABSTRACT:
A low-noise amplifier (LNA) is an electronic amplifier that amplifies a very low-power signal without significantly degrading its signalÂ-to-noise ratio. An amplifier increases the power of both the signal and the noise present at its input. LNAs are designed to minimize additional noise. Designers minimize noise by considering trade-offs that include impedance matching, choosing the amplifier technology (such as low-noise components) and selecting low-noise biasing conditions. Also, the experiment of the active multiband GPS antenna in navigation application is carried out. The intent of this project is to design and fabricate an active multiband microstrip patch antenna being capable of covering all GPS frequency bands (L1 L2 and LS) with high performance in receiving weak GPS signals. The stacked multilayer structure will be applied for the prototype antenna in order to achieve multiband operation. The goals of the designed antenna are to resonate in all GPS frequency bands with RHCP radiation and axial ratio of less than 3 dB at the boresight.
The two stage LNA design will be employed as the prototype wideband LNA that can operate during GPS frequency range (1 .1GHzÂ1.6GHz). The design goal is to obtain high gain with low noise figure. As the final part of this study, the active multiband microstrip patch antenna will be constructed by connecting the multiband microstrip patch antenna with the LNA. to The design is to achieve more gain than in passive antenna and possess the acceptable performances for the GPS applications.
NOTE: All ECE Graduate Students are ENCOURAGED to attend.
All interested parties are invited to attend. Open to the public.
Advisor: Dr. Honggang Wang
Committee Members: Dr. Yifei Li and Dr. Liudong Xing, Department of Electrical & Computer Engineering
*For further information, please contact Dr. Honggang Wang at 508.999.8469, or via email at hwang1@umassd.edu.
LOCATION: Lester W. Cory Conference Room, Science & Engineering Building (SENG), Room 213A
ABSTRACT:
A low-noise amplifier (LNA) is an electronic amplifier that amplifies a very low-power signal without significantly degrading its signalÂ-to-noise ratio. An amplifier increases the power of both the signal and the noise present at its input. LNAs are designed to minimize additional noise. Designers minimize noise by considering trade-offs that include impedance matching, choosing the amplifier technology (such as low-noise components) and selecting low-noise biasing conditions. Also, the experiment of the active multiband GPS antenna in navigation application is carried out. The intent of this project is to design and fabricate an active multiband microstrip patch antenna being capable of covering all GPS frequency bands (L1 L2 and LS) with high performance in receiving weak GPS signals. The stacked multilayer structure will be applied for the prototype antenna in order to achieve multiband operation. The goals of the designed antenna are to resonate in all GPS frequency bands with RHCP radiation and axial ratio of less than 3 dB at the boresight.
The two stage LNA design will be employed as the prototype wideband LNA that can operate during GPS frequency range (1 .1GHzÂ1.6GHz). The design goal is to obtain high gain with low noise figure. As the final part of this study, the active multiband microstrip patch antenna will be constructed by connecting the multiband microstrip patch antenna with the LNA. to The design is to achieve more gain than in passive antenna and possess the acceptable performances for the GPS applications.
NOTE: All ECE Graduate Students are ENCOURAGED to attend.
All interested parties are invited to attend. Open to the public.
Advisor: Dr. Honggang Wang
Committee Members: Dr. Yifei Li and Dr. Liudong Xing, Department of Electrical & Computer Engineering
*For further information, please contact Dr. Honggang Wang at 508.999.8469, or via email at hwang1@umassd.edu.
Contact:
ECE: Electrical & Computer Engineering Department 508.999.9164 http://www.umassd.edu/engineering/ece/
Topical Areas: General Public, University Community, College of Engineering, Electrical and Computer Engineering