Digitally Enhanced Analog and RF Integrated Circuits (DERFAIC)

Led by: Marina ȚOPA
Fields: Elec. Electron. Sys. & Telecom. Eng.
Institution: Technical University of Cluj-Napoca (UTCN)
Scientists/Total: 5/8
Keywords:  Design of Analog, RF and Mixed Signal Integrated Circuits Adaptive filters for signal processing system analysis Optimization methods for the design of electronic circuits & systems Methods and algorithms for compensating the errors and limitations Electronic systems for harvesting energy from non-conventional power sources
Presentation

Design of Analog, RF and Mixed-Signal Integrated Circuits
- Programmable and Reconfigurable functional blocks for the baseband of integrated transceivers: filters, variable-gain amplifiers, ADC & DAC, voltage references
- Frequency Synthesizers
Adaptive filters for signal processing system analysis, with applications in acoustics
- Analysis and improvement of room acoustics
- Reverberation control; echo cancellation; separation of audio sources
- Analysis and modeling of audiograms for optimized hearing aids
Optimization methods for the design of electronic circuits & systems
- Robust design optimization based on metamodeling
-Optimized design of analog and digital filters for ASIC implementation
Methods and algorithms for compensating the errors and limitations inherent to real-life implementation of electronic circuits:
- mismatches between the I and Q signal paths in low-IF radio receivers
- limitations of active devices/blocks used in active filters
- systematic errors within the signal path of analog interfaces and transceivers: DC offset, LO phase and magnitude errors, ADC quantization errors, noise
Electronic systems for harvesting energy from non-conventional power sources
- Control algorithms and circuitry for DC-DC converts used to harvest energy from sources with one maximum power point
-Intelligent battery chargers based on photovoltaic cells and biological cells
Circuits and Systems Theory
- Design and Analysis methods based on circuit modeling

Infrastructures

Software for the design of analog and digital ICs: Cadence Virtuoso and Encounter
Industrial - level Design Kits: CMOS 90nm, 0.15um, 0.18um, BiCMOS 0.25um
Standard lab equipment for analog and digital IC characterization
FPGA development platforms
Equipment for measuring acoustic properties: sonometer HD2012, omnidirectional sound source, specific software packages

Applications

Development of adaptive filter theory, with applications in the processing of non-stationary signals by non-linear systems
Extensions of the classical feedback theory, with applications in the stability analysis
Analysis and design of electronic systems and circuits using advanced modelling and optimization methods
Adaptive filters for signal processing and system analysis, with applications in acoustics
Electronic systems and circuits for harvesting power from un-conventional energy sources
Analysis and design of analog, RF and mixed-signal integrated circuits
Analysis and design of digital systems, including FPGA and/or ASIC implementation
Top-level verification of digital systems using SystemVerilog and SystemC
Analysis and design of electro-acoustic systems – echo cancellation, reverberation control, signal separation, equalization etc.
Building digital models for complex electronic and acoustic systems
Design and physical implementation of low-power modules for harvesting energy from un-conventional energy sources
Measurement of acoustic properties of a room and building detailed digital models
Modelling the human audiograms for optimization of hearing aids

Contact

26 G. Baritiu Str., rooms 26, 400027
Cluj-Napoca, jud. Cluj, România
Tel: +40 264 401243
Fax: +40 264 591689
eMail: mari...@bel.utcluj.ro

 

 

 

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