AP7008 DSP INTEGRATED CIRCUITS

AP7008 DSP INTEGRATED CIRCUITS

UNIT I DSP INTEGARTED CIRCUITS AND VLSI CIRCUIT TECHNOLOGIES

Standard digital signal processors, Application specific IC’s for DSP, DSP systems, DSP system design, Integrated circuit design. MOS transistors, MOS logic, VLSI process technologies, Trends in CMOS technologies. 

UNIT II DIGITAL SIGNAL PROCESSING

Digital signal processing, Sampling of analog signals, Selection of sample frequency, Signal-processing systems, Frequency response, Transfer functions, Signal flow graphs, Filter structures, Adaptive DSP algorithms, DFT-The Discrete Fourier Transform, FFT-The Fast Fourier Transform Algorithm,  Image coding, Discrete cosine transforms. 

UNIT III DIGITAL FILTERS AND FINITE WORD LENGTH EFFECTS

FIR filters, FIR filter structures, FIR chips, IIR filters, Specifications of IIR filters, Mapping of analog transfer functions, Mapping of analog filter structures, Multirate systems, Interpolation with an integer factor L, Sampling rate change with a ratio L/M, Multirate filters. Finite word length effects -Parasitic oscillations, Scaling of signal levels, Round-off noise, Measuring round-off noise, Coefficient sensitivity, Sensitivity and noise. 

UNIT IV DSP ARCHITECTURES AND SYNTHESIS OF DSP ARCHITECTURES

DSP system architectures, Standard DSP architecture, Ideal DSP architectures, Multiprocessors and multicomputers, Systolic and Wave front arrays, Shared memory architectures. Mapping of DSP algorithms onto hardware, Implementation based on complex PEs, Shared memory architecture with Bit –serial PEs. 

UNIT V ARITHMETIC UNITS AND INTEGRATED CIRCUIT DESIGN

Conventional number system, Redundant Number system, Residue Number System, Bit-parallel and BitSerial arithmetic, Basic shift accumulator, Reducing the memory size, Complex multipliers, Improved shift-accumulator. Layout of VLSI circuits, FFT processor, DCT processor and Interpolator as case studies. Cordic algorithm.

REFERENCES: 

1. Lars Wanhammer, “DSP Integrated Circuits”, 1999 Academic press, New York 

2. A.V.Oppenheim et.al, “Discrete-time Signal Processing”, Pearson Education, 2000. 

3. Emmanuel C. Ifeachor, Barrie W. Jervis, “Digital signal processing – A practical approach”, Second Edition, Pearson Education, Asia. 

4. Keshab K.Parhi, “VLSI Digital Signal Processing Systems design and Implementation”, John Wiley & Sons, 1999.