Transcript Slide 1
ANALOG AND RF DESIGN AT EE DEPARTMENT, IITB
Dinesh Sharma Indian Institute of Technology Bombay
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Academia Industry Meet 2002, Electrical Engineering Department
Faculty Members
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Prof. A.N. Chandokar (ANC) Prof. M.P. Desai Prof. M.B. Patil (MPD) (MBP) Prof. R. Lal (RL) Prof. D.K. Sharma (DKS) Prof. J. Vasi (JV) Indian Institute of Technology Bombay
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Academia Industry Meet 2002, Electrical Engineering Department
AREAS OF INTEREST
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Data Converters (DKS/ANC/MPD) Low Voltage/Low Power Design RF Transmitters and Receivers PLL and DLL circuits (ANC) (ANC/DKS) (ANC/DKS) Broadband Communications related circuits (ANC/DKS)
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Modeling and Simulation for RF, Analog (JV/MBP) Indian Institute of Technology Bombay
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Academia Industry Meet 2002, Electrical Engineering Department
DATA CONVERTERS
(Nyquist Rate) Comparator design for a high speed 14 bit SAR A to D converter (S. Bapat – DKS)
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Student support from TI
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Design is now a part of TI product (14 bit, 400 KSPS, Noise < 40
V)
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Implemented as a 4 stage offset corrected circuit Indian Institute of Technology Bombay
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Academia Industry Meet 2002, Electrical Engineering Department
Nyquist Rate Data Converters …
A Multi Channel Analyser using a DLL as a timing vernier.
(R.S. Saxena-DKS) Indian Institute of Technology Bombay
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Academia Industry Meet 2002, Electrical Engineering Department
Sigma Delta ADCs
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Architecture and Design (R. Ghayal-MPD, Dudhe-ANC, S. Mehta-DKS)
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High Speed Sigma Delta converter with multi-bit quantization and Adaptive correction (L. Kumath, A. Gupta – DKS) Indian Institute of Technology Bombay
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Academia Industry Meet 2002, Electrical Engineering Department
A High Speed Sigma-delta AtoD with Adaptive correction
Indian Institute of Technology Bombay
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Academia Industry Meet 2002, Electrical Engineering Department
Low Voltage / Low Power Design
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Current mode analog design (Srinjoy Mitra-ANC)
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Dynamic design style for analog and adaptive biasing (Anirudh Ralli –DKS) Indian Institute of Technology Bombay
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Academia Industry Meet 2002, Electrical Engineering Department
R.F. Design
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Transmiter Design: Design of High Efficiency RF Power Amplifiers (A. Kotwal, Harishchandra, S.P. Taigor – ANC)
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Receiver Design: Cable modem receiver design (S. Seth, V. Babu – ANC) Indian Institute of Technology Bombay
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Academia Industry Meet 2002, Electrical Engineering Department
RF Design (Receivers.)
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Dual Band Receiver Design (A.G. Krishnakanth – DKS)
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LNA design for GPS RF receivers (Shailendra Sharad-ANC) Indian Institute of Technology Bombay
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Academia Industry Meet 2002, Electrical Engineering Department
Design of Various Sub-modules
Dual-band LNA Dual-band Receiver Gilbert Mixer Bandpass amplifier Gilbert Mixer 3.85G Quadrature VCO 1.37G tunable Quad. VCO Variable Gain Amplifier Fractional-N Synthesizer Baseband Filter Quadrature I and Q outputs
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Complete Transistor level design of all the modules Simulations using Cadence Design Tool (0.35µ Technology) BSIM3v3 model with ELM=5, NQSMOD=1, NOIMOD=2 Indian Institute of Technology Bombay
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Academia Industry Meet 2002, Electrical Engineering Department
PLL and DLL Design
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Design of PLL and DLL circuits at RF (K. Kothari, H. Kothari, R. Kedilaya –ANC)
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Use of DLLs for accurate timing (R.S. Saxena-DKS)
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Jitter and Phase Noise in VCO’s (K. Narasimhulu-DKS) Indian Institute of Technology Bombay
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Academia Industry Meet 2002, Electrical Engineering Department
Broad band Communications Circuits
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Analog Viterbi Decoder (Saurabh Mittal-ANC)
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Implementation of Orthogonal Frequency Division Multiplexing (P.Mishra – DKS)
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Fast pipelined ADCs for OFDM receivers (P. Shamsukha-DKS) Indian Institute of Technology Bombay
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Academia Industry Meet 2002, Electrical Engineering Department
Other Analog Designs
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Design of an Analog Array (S. Pullaiah-ANC)
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Analog characterisation of metastability in latches (Dr. Shojaei –MPD) Indian Institute of Technology Bombay
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Academia Industry Meet 2002, Electrical Engineering Department
Modeling and Simulation
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Compact models for MOS Transistors for simulation at RF (JV)
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Simulator for Switched Capacitor circuits (MBP)
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Macro-models for analog components (P. Singh, A. Mishra – MBP) Indian Institute of Technology Bombay
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Academia Industry Meet 2002, Electrical Engineering Department
Focus for Future Projects
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Fast Data converters (Nyquist rate and sigma-delta architectures)
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RF circuits for communications
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Integration with MEMS activity
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Low Power analog and mixed signal design
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Silicon foundry experience for selected designs Indian Institute of Technology Bombay
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