# overview
My research focuses on RF and baseband circuits, signal processing and adaptive systems.

# keywords[]
Injection Locked Frequency Dividers (ilfds)

# keywords[]
4007 Control Engineering, Mechatronics And Robotics

# keywords[]
4009 Electronics, Sensors And Digital Hardware

# keywords[]
4009 Electronics, Sensors And Digital Hardware

# keywords[]
4009 Electronics, Sensors And Digital Hardware

# keywords[]
4009 Electronics, Sensors And Digital Hardware

# keywords[]
4007 Control Engineering, Mechatronics And Robotics

# keywords[]
4009 Electronics, Sensors And Digital Hardware

# educationAndTraining[].organization.label
Portland State University - (Portland, Oregon, United States)

# publications[].label
Self-Powered Rectifier for Energy Harvesting Applications

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
Design Techniques to Improve Blocker Tolerance of Continuous-Time Delta Sigma ADCs

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
Design of transimpedance and limiting amplifiers for 10 Gb/s optical communication systems

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
A rail-to-rail amplifier input stage with +/- 0.35%gm fluctuation

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
Design of Minimally-Invasive All-Pole Analog Lowpass Filters

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
Bandwidth enhancement of multi-stage amplifiers using active feedback

# publications[].label
Special Issue on the 57th International Midwest Symposium on Circuits and Systems

# publications[].label
Bandwidth enhancement of multi-stage amplifiers using active feedback

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
Coherent radar receiver that comprises a sigma delta modulator

# publications[].label
A Tunable Bandstop Filter Based on Source Follower

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
Impact of narrowband interference on multi-band OFDM ultra wideband communication systems

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
An Efficient Sinusoid-Like Pseudo Random Sequence Modulator/Demodulator System With Reduced Adjacent Channel Leakage and High Rejection to Random and Systematic Interference

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
Rail-to-rail amplifier input stage with constant g(m) and commonmode elimination

# publications[].publisher
Institution of Engineering and Technology (IET)

# publications[].label
A high-frequency high-Q CMOS active inductor with DC bias control

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
Design of all-pole low-pass ladder filters using current-mode damped integrators

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
An accurate automatic tuning scheme for high-Q continuous-time bandpass filters based on amplitude comparison

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
A 220-nA Quiescent Current Capacitor-Less Low-Dropout Regulator with Improved Recovery Time

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
Automatic tuning of linearly tunable high-Q filters

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
An enhanced adaptive Q-tuning scheme for a 100-MHz fully symmetric OTA based bandpass filter

# publications[].label
Automatic tuning of high-Q filters based on envelope detection

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
Adaptive narrowband interference suppression in multiband OFDM receivers

# publications[].label
Automatic tuning scheme for second order bandstop filters based on phase comparison

# publications[].label
The impact of narrowband interference on OFDM-UWB receivers

# publications[].label
Blocker Tolerant Wideband Continuous Time Sigma-Delta Modulator for Wireless Applications

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
A Current-Mode Flash ADC for Low-Power Continuous-Time Sigma Delta Modulators

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
An automatic tuning scheme for high frequency bandpass filters

# publications[].label
Mixed-mode automatic tuning scheme for high-Q continuous-time filters

# publications[].publisher
Institution of Engineering and Technology (IET)

# publications[].label
Digital tuning of continuous-time high-Q filters

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
A 3-6-GHz Highly Linear I-Channel Receiver With Over+3.0-dBm In-Band P-1dB and 200-MHz Baseband Bandwidth Suitable for 5G Wireless and Cognitive Radio Applications

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
Blocker and Jitter Tolerant Wideband  Modulators

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
Steady-state analysis of phase-locked loops using binary phase detector

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
A 3.3-V CMOS adaptive analog video line driver with low distortion performance

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
A Large-Signal Blocker Robust Transimpedance Amplifier for Coexisting Radio Receivers in 45nm CMOS

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
Energy harvesting using martensite variant reorientation mechanism in a NiMnGa magnetic shape memory alloy

# publications[].label
An adaptive analog video line driver with impedance matching based on peak detection

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
A digital approach for automatic tuning of continuous-time high-Q filters

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
A 3 to 6 GHz Highly Linear I-Channel Receiver with Over+3.0 dBm In-Band P1dB and 200 MHz Baseband Bandwidth Suitable for 5G Wireless and Cognitive Radio Applications

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
An injection-locked frequency divider with multiple highly nonlinear injection stages and large division ratios

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
Digital tuning of continuous-time high-Q filters

# publications[].label
Practical Considerations for Broadband Cognitive Radio Systems: On-chip Spectrum Sensing

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
A novel automatic tuning scheme for high-frequency high-Q continuous-time filters

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
Impacts of narrowband interference on OFDM-UWB receivers: Analysis and mitigation

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
X-Band CMOS Rectifier With 4% Efficiency at-35 dBm for Wireless Power Transmission

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
Uniform design of multi-peak bandwidth enhancement technique for multistage amplifiers

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
An LC Quadrature VCO Using Capacitive Source Degeneration Coupling to Eliminate Bi-Modal Oscillation

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].publisher
Institution of Engineering and Technology (IET)

# publications[].label
Design of minimally invasive all-pole analog lowpass filters

# publications[].label
Automatic tuning of frequency and Q-FACTOR of bandpass filters based on envelope detection

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
CURRENT-MODE TUNABLE INTEGRATOR FOR LOW-VOLTAGE APPLICATIONS

# publications[].publisher
Institution of Engineering and Technology (IET)

# publications[].label
Low-Power Circuits and Energy Harvesting for Structural Health Monitoring of Bridges

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
An automatic tuning scheme for high frequency bandpass filters

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
Digital tuning of high-order high-Q continuous-time filters

# publications[].publisher
Institution of Engineering and Technology (IET)

# publications[].label
A fully differential low-power divide-by-8 injection-locked frequency divider up to 18 GHz

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
An improved Q-tuning scheme and a fully symmetric ota

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
An Interference-Tolerant Synchronization Scheme for Wireless Communication Systems Based on Direct Sequence Spread Spectrum

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
Blocker and Jitter Tolerant Wideband Sigma Delta Modulators

# publications[].label
A digital automatic tuning technique for high-order continuous-time filters

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
A 43-mW MASH 2-2 CT Sigma Delta Modulator Attaining 74.4/75.8/76.8 dB of SNDR/SNR/DR and 50 MHz of BW in 40-nm CMOS

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
Low-voltage temperature-independent current reference with no external components

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
A 2.3-3.9 GHz Fractional-N Frequency Synthesizer with Charge Pump and TDC Calibration for Reduced Reference and Fractional Spurs

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
An Enhanced Adaptive $Q$-Tuning Scheme for a 100-Mhz Fully Symmetric OTA-Based Bandpass Filter

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
Multi-peak bandwidth enhancement technique for multistage amplifiers

# publications[].publisher
Association for Computing Machinery (ACM)

# publications[].label
Digital tuning of analog bandpass filters based on envelope detection

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
Narrowband interference suppression in multi-band OFDM ultra wideband communication systems: A mixed-mode approach

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
Fully-differential second-order tunable bandstop filter based on source follower

# publications[].publisher
Institution of Engineering and Technology (IET)

# publications[].label
Digitally Assisted High-Voltage High-Current CMOS Active Rectifier for Implantable Devices

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
Thermoelectric Energy Harvesting for Implantable Medical Devices.

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
Practical Design Considerations for Broadband Cognitive Radio Systems: Co-existence

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
Blocker-Tolerant and High-Sensitivity Delta Sigma Correlation Digitizer for Radar and Coherent Receiver Applications

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
THD plus Noise estimation in class-D amplifiers

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
Blocker-Tolerant Wideband Continuous-Time Delta Sigma ADC Using Embedded Minimally-Invasive Filtering

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
Frequency and Q tuning of active-LC filters

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
High-Performance Continuous-Time Filters with On-Chip Tuning

# publications[].label
A 200MSPS Time-Interleaved 12-bit ADC System with Digital Calibration

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
Design and analysis of an ultrahigh-speed glitch-free fully differential charge pump with minimum output current variation and accurate matching

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
A 12-Bit 125-MS/s 2.5-Bit/Cycle SAR-Based Pipeline ADC Employing a Self-Biased Gain Boosting Amplifier

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
An analog approach to suppressing in-band narrow-band interference in UWB receivers

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
Sensitivity of multiband ZP-OFDM ultra-wide-band and receivers to synchronization errors

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
A High Frequency Bandpass Continuous-Time Filter with Automatic Frequency and Q-Factor Tuning

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
When Less Is More ... Few Bit ADCs in RF Systems

# publications[].publisher
Institute of Electrical and Electronics Engineers (IEEE)

# publications[].label
Blocker-Resilient Broadband Wireless Transceivers with Multi-User Collision Tolerance Based on Mixed-Mode Correlation

# publications[].label
Digital tuning of analog bandpass filters based on envelope detection

# researcherOn[].label
Collaborative Research: High-Performance Time-Interleaved Analog-to-Digital Converter Design with Digitally Assisted Calibration for Low-Power Broadband Applications

# researcherOn[].awardedBy.label
National Science Foundation - (Arlington, Virginia, United States)

# researcherOn[].label
EARS: Enhancing Radio-Frequency Spectrum Through Interference Resilient Cognitive Radio Systems: Design, Performance Analysis and Optimization

# researcherOn[].awardedBy.label
National Science Foundation - (Arlington, Virginia, United States)

# streetAddress
Texas A&M University; Electrical Engineering; 3128 TAMU

# etdChairOf[].label
Park, Sanghoon (2004-08). Design of compact frequency synthesizer for self-calibration in RF circuits. Master's Thesis.

# etdChairOf[].label
Adeyemi, Oluwafemi Ibukunoluwa (2006-12). The design of GaAs HEMT and HBT Bessel-type transimpedance amplifiers. Master's Thesis.

# etdChairOf[].label
Lee, Choong Hoon (2005-05). Design of high speed low voltage data converters for UWB communication systems. Master's Thesis.

# etdChairOf[].label
Ramachandran, Narayan Prasad (2003-05). Design of a 3.3 V analog video line driver with controlled output impedance. Master's Thesis.

# etdChairOf[].label
Krishnanji, Sivasankari (2005-08). Design of a variable gain amplifier for an ultrawideband receiver. Master's Thesis.

# etdChairOf[].label
Huang, Sung-Ling (2003-05). Automatic tuning for linearly tunable filter. Master's Thesis.

# etdChairOf[].label
Hong, Augustin Jinwoo (2003-05). Self-calibrating random access logarithmic pixel for on chip camera. Master's Thesis.

# etdChairOf[].label
Damera, Saiteja (2015-07). Design and Applications of Minimally Invasive All-Pole Analog Filters. Master's Thesis.

# etdChairOf[].label
Sharma, Pushkar (2005-05). Design of a  3.1-4.8 GHZ RF front-end for an ultra wideband receiver. Master's Thesis.

# etdChairOf[].label
Padyana, Aravind 1983- (2010-11). Design Considerations for Wide Bandwidth Continuous-Time Low-Pass Delta-Sigma Analog-to-Digital Converters. Master's Thesis.

# etdChairOf[].label
Bommireddipalli, Aditya Vighnesh Ramakanth (2017-05). Design of a Precision Low Voltage Resistor Multiplying Digital-to-Analog Converter. Master's Thesis.

# etdChairOf[].label
Ankamah-Kusi, Sylvester (2016-12). An 8 Bit, 100ms/s Pipeline ADC with Partial Positive Feedback Amplifier for Cognitive Radio Applications. Master's Thesis.

# etdChairOf[].label
Silva Rivas, Jose F. (2010-07). High Performance Integrated Circuit Blocks for High-IF Wideband Receivers. Master's Thesis.

# etdChairOf[].label
Liu, Feifei (2015-12). Novel Continuous-Time Low-Pass Filter. Master's Thesis.

# etdChairOf[].label
Chien, Cheng-Ming (2012-02). Design of a Wide Bandwidth Continuous-time Low-pass Sigma-delta Modulator. Master's Thesis.

# etdChairOf[].label
Godbole, Akshay (2012-02). DAC Linearization Techniques for Sigma-delta Modulators. Master's Thesis.

# etdChairOf[].label
Hodgson, James K. (2010-07). Design of a 10 MHz Transimpedance Low-Pass Filter with Sharp Roll-Off for a Direct Conversion Wireless Receiver. Master's Thesis.