IT404JUNE 2025, IT404DEC2024 ,, IT402 JUNE 2024 ,, IT402 NOV 2023 , IT402 JUNE 2023

1. Modulation

Subtopics:

• Modulation definition
• Need of modulation
• Types of modulation techniques

JUNE 2023

2. Amplitude Modulation (AM)

Subtopics:

• AM (DSB-FC) definition
• Modulation index
• Frequency spectrum of AM wave
• Linear modulation
• Over modulation
• Power relations in AM
• Transmission efficiency
• Bandwidth of AM
• Modulation by complex signal

DEC 2024— NUMERICALS