## Chapter: Brief Review

**(Note: A Chapter with low Weightage)**

**Topics to be prepared**

#### I want to Just Pass:

- Discrete Time Signals and Systems.
- Z-Transform – Theorems, Properties etc.
- Block diagram of DSP; Advantages of DSP
- Classification of Digital Filter (IIR and FIR).

#### I want to get good Marks: (As above and plus)

- Fourier Series & Transform – Theorems, Properties.
- Difference Equations.
- Sampling Theorem

#### I want to Score Maximum: (As above and plus)

## Chapter: Analysis of Digital Filter (Frequency Response)

**(**__Note__: A Chapter with low Weightage)

__Note__: A Chapter with low Weightage)

**Topics to be prepared**

#### I want to Just Pass:

- Classification of filter on their pole zero diagram – Low Pass, High Pass, Band Pass, Band Stop, All-Pass Filters.
- Minimum-Phase, Maximum-Phase, Mixed-Phase systems.

#### I want to get good Marks: (As above and plus)

- Relation between System Function & Frequency Response Function.
- Computation of the Frequency Response Function.

#### I want to Score Maximum: (As above and plus0

## Chapter: Discrete Fourier Transforms (DFT)

** ( Note: A very easy and high scoring chapter. A must for all students who want to pass DTSP)**

**Topics to be prepared**

#### I want to Just Pass:

- Definition and Properties of DFT.
- Problems based on
- Computation of DFT and IDFT
- Circular Convolution using DFT / IDFT
- Evaluating DFT using Properties of DFT
- Overlap Add and Overlap Save Methods.

- Relation between Z-transform, DTFS & DTFT

#### I want to get good Marks: (As above and plus)

- Introduction to DTFT.
- Fourier representation of finite duration sequences

#### I want to Score Maximum: (As above and plus)

## Chapter: Fast Fourier Transforms (FFT)

** ( Note: High scoring chapter. A must for all students who want to pass DTSP)**

**Topics to be prepared**

#### I want to Just Pass:

- Radix-2 Decimation In Time (DIT) & Decimation In Frequency (DIF) FFT for N = 4, 6, 8 with Flow Graph (or Butterfly diagram).
- Inverse FFT
- Problems based on
- Computation of DFT and IDFT by FFT
- Circular Convolution using DFT/ IDFT by FFT
- Comparing Computational Complexity between DFT and FFT

#### I want to get good Marks: (As above and plus)

- Twiddle Factor and its Properties
- DIT-FFT and DIF-FFT algorithms and derivation for N = 4, 8

#### I want to Score Maximum: (As above and plus)

- Split-Radix FFT algorithms and derivation for N = 6 (3 ´ 2 or 2 ´ 3) for both DIF & DIT.
- Split-Radix FFT algorithms and derivation for N = 9 (3 ´ 3)

## Chapter: IIR Digital Filters

**( Note: A Major Chapter with high Weightage)**

**Topics to be prepared**

#### I want to Just Pass:

- Impulse Invariance Method and Aliasing
- Bilinear Transformation (BLT) Method and Frequency Warping and Pre-Warping.
- Analog and Digital Frequency Transformations
- Analog filter approximations: Butterworth Filters
- Design of IIR digital filters from Analog filters – Order of Filter, Cut-off Frequency, Un-normalized and Normalized Transfer Function

#### I want to get good Marks: (As above and plus)

- Analog filter approximations: Chebyshev Filters

#### I want to Score Maximum: (As above and plus)

## Chapter: FIR Digital Filters

**( Note: A Major Chapter with high Weightage)**

**Topics to be prepared**

#### I want to Just Pass:

- Linear Phase Filters – Phase and Group Delay.
- Location of the zeros of linear phase FIR filters.
- Characteristics of FIR digital filters.
- Frequency Response.
- Design of FIR digital filters using window techniques (Rectangular and Hamming), Frequency Sampling Technique.
- Gibbs phenomenon.
- Comparison of IIR and FIR filters

#### I want to get good Marks: (As above and plus)

- Design of FIR digital filters using window techniques (Triangular, Hanning and Blackman)

#### I want to Score Maximum: (As above and plus)

## Chapter: Realization structures for IIR and FIR filters

**Topics to be prepared**

#### I want to Just Pass:

- Direct Form I Structure.
- Direct Form II Structure.
- Cascade Structure.
- Parallel Structure.
- Lattice-Ladder Structures

#### I want to get good Marks: (As above and plus)

- Frequency Sampling Technique
- Realization of FIR filters.

#### I want to Score Maximum: (As above and plus)

## Chapter: Multi rate Signal Processing

**( Note: Only Theory is asked from this chapter)**

#### Topics to be prepared

#### I want to Just Pass:

- Multirate Signal Processing.
- Sampling rate reduction – Decimation by a factor D.
- Sampling rate increase – Interpolation by I.
- Sampling Rate Conversion by a rational factor I/D.
- Multistage implementation of sampling rate conversion.
- Application of Multirate Signal Processing

**I want to get good Marks: (As above and plus)**

** I want to Score Maximum: (As above and plus)**

## Chapter: Digital Hardware and Applications

**( Note: Only Theory is asked from this chapter)**

**Topics to be prepared**

#### I want to Just Pass:

- Digital Signal Processor – Series Texas 320.
- Digital touch tone receiver or Dual –Tone multi frequency signal detection.
- Applications to Speech.
- Applications to Radar.

#### I want to get good Marks: (As above and plus)

- Digital Signal Processor – Motorola 56000.

#### I want to Score Maximum: (As above and plus)