Design Engineering

Bhavani Devireddy

**** ***** ***** **** ** Phone: 732-***-****

Atlanta, GA 30339 E-Mail: ****************@*****.***

OBJECTIVE

To obtain an engineering position in the field of Antenna and Microwave circuit design and testing

EDUCATION

The University of Mississippi, University, Mississippi, USA

Master of Science in Electrical Engineering May 2010

Major: Electromagnetics, GPA: 3.64/4.0

Thesis: "Gain and bandwidth characterizations of reflectarray antennas"

Thesis Advisor: Dr. Fan Yang, Associate Professor of Electrical Engineering

Jawaharlal Nehru Technological University, Hyderabad, INDIA

Bachelor of Technology in Engineering May 2007

Major: Electronics and Communications, GPA: 3.46/4.0

Project: "Design and implementation of intelligent anti theft license plate "

SKILLS

• EM Simulators - Ansoft designer, ADS, HFSS, IE3D

• Circuit Fabrication - LPKF PROTOMAT 91S (PCB/Milling machine)

• RF Measurements - Anechoic chamber, Spectrum and Network

Analyzer

• Application Specific - ADV and AWAS

• Microprocessor - ALP of 8085 and 8086

• Micro Controller - ALP of 8051 and 8515

• Programming Languages - MATLAB and C

• Operating Systems - Windows 98/2000/NT/XP

WORK

EXPERIENCE

The University of Mississippi, University, Mississippi, USA

Research Assistant (January 2008 - May 2010)

• Analyzed and studied different gain computation methods for broadside and offset

reflectarray antennas

• Provided design guidelines for selection of antenna parameters like diameter, focal to

diameter ratio and feed pattern power factor to obtain an optimum performance of

reflectarrays

• Bandwidth study of both broadside and offset reflectarray antennas and tradeoff between

its gain and bandwidth

• Designed reflectarray elements to operate in X and Ka-bands using Ansoft designer

• Studied differential spatial phase delay and element bandwidth effect on reflectarray

performance

• Analysis, study and design of microwave components like Wilkinson power dividers,

phase shifters, directional couplers, magic-T, maximum gain and low noise amplifiers

using ADS and HFSS

• Fabrication of printed antennas, microwave circuits using LPKF milling machine

• Measured the s-parameters, VSWR using 8510 Network Analyzer

Teaching Assistant (August 2008 - May 2010)

• Courses taught - Theory of Fields and Microprocessor Systems Engineering

• Assisted students with help sessions and graded homework assignments

PROJECTS

• Analysis of the configuration of shielded coupled microstrip lines using Finite Difference

Time Domain (FDTD) technique

• Solution of the problems of scattering from a perfectly thin wire using the Method of

Moment (M.o.M) technique

• Analysis and programming of the electromagnetic fields from a circular PEC and PMC

surrounded by a dielectric cylinder

• Analysis and design of a compact rectangular patch antenna to operate in the C-band

• Analysis and design of a log periodic dipole array ( LPDA) antenna for a frequency range

of 5 - 6 GHz

CONFERENCES • Analysis and programming of a plane wave incidence at multiple dielectric interfaces

AND • Analysis of a plane wave normal incidence on EBG structures

PUBLICATIONS

• Analysis and design of a new compact planar magic-T which has low in-band insertion

loss, very low phase and amplitude imbalance

• Analysis and design of a dual polarized patch antenna

• Design and fabrication of Wilkinson power divider, rat race coupler and directional

Coupler

• RF/Microwave circuit measurements (S-parameters, VSWR) using Network Analyzer

AVAILABILITY

• RF Antenna measurements using Anechoic Chambers

REFERENCES

• Bhavani Devireddy, Fan Yang, Atef Z. Elsherbeni,“ Gain and Bandwidth

Characterizations of Reflectarray Antennas, ” 26th International Annual Review of

Progress in Applied Computational Electromagnetics, ACES, April 26-29, 2010, Tampere,

Finland

• Bhavani Devireddy, Ang Yu, Fan Yang, Atef Z. Elsherbeni,“Parametric Limitations on

Gain and Bandwidth of Reflectarrays,” Applied Computational Electromagnetics Society

Journal, ACES, 2010 (to be published)

September 2010

Available upon request

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