# Digital Electronics

**Chapter 1:**

**Number Systems and Codes**

1.01 The Decimal Number System

1.02 The Binary Number System

1.03 Decimal to Binary Example Problems

1.04 Conversion from Decimal to Binary Fractions

1.05 Conversion of Mixed Decimal Numbers to Mixed Binary Numbers

1.06 Octal Number System and Conversion

1.07 Conversion from Decimal to Octal Fractions

1.08 The Hexadecimal Number System

1.09 Conversion of Decimal to Hexadecimal Numbers

1.10 Hexadecimal to Binary Conversion Examples

1.11 Binary Codes Classification

1.12 Alphanumeric codes

1.13 Morse Code with Example

1.14 Baudot Code with Example

1.15 ASCII Code in Digital Electronics

1.16 Extended Binary Coded Decimal Interchange Code Examples

1.17 Error Detecting and Correcting Codes in Digital Electronics

1.18 Linear Block Code with Example

1.19 Hamming Code in Digital Electronics

1.20 Generator Matrix Example

1.21 Basic Binary-Coded Decimal (BCD) Code

1.22 Binary Coded Decimal with Example

1.23 Complementary Numbers

1.24 Self Complementing Codes

1.25 Gray (Reflected-Binary or Mirror) Code

1.26 Binary Addition with Examples

1.27 Binary Subtraction with Examples

1.28 Subtraction using 1's Complement & 2's Complement

1.29 Fixed Point Representation in Digital Electronics

1.30 Floating Point Representation Examples

1.31 Binary Fractions and Floating Point

1.32 Fixed Point Format and Floating Point Format Examples

**Chapter 2:**

**Logic Reduction**

2.01 Logic Reduction Introduction

2.02 Positive and Negative Logic in Digital Electronics

**Chapter 3:**

**Logic Families**

3.01 Logic Gate Families Introduction

3.02 The Diode - Logic AND Gate

3.03 The Diode-Transistor Logic GateLogic

3.04 The Transistor-Transistor Logic Family

3.05 Working Principle of the Two-Input TTL NAND Gate

3.06 Totem Pole Output Configuration TTL

3.07 Input-Output Characteristics of a TTL Inverter

3.08 Noise Margin and Noise Immunity in logic families

3.09 Current Sourcing and Current Sinking in TTL

3.10 Open Collector TTL NAND Gate

3.11 Tri-State Logic Gate and Application of Tri State Buffer

3.24 Voltage Transfer Characteristic of CMOS Inverter

3.25 Advantages and Disadvantages of CMOS Circuit

3.26 Pseudo NMOS Logic Circuit

3.27 Dynamic NMOS (d-NMOS) Logic Gates

3.28 Domino Logic Gates and its Advantages

3.29 Pass Transistor Configuration

3.30 CMOS Transmission Gate Working

3.31 Pass Transistor Logic Working

3.32 BICMOS Inverter Circuit Diagram

3.33 Integrated Injection Logic Circuit Diagram

3.34 Emitter Coupled Logic Family (ECL)

3.35 Advantages and Disadvantages of ECL Gates