In your original post, answer the following:
- In your own words, explain the different classes of the power amplifiers (Class-A, Class-B, Class-AB and Class-C) and mention where the Q-point is for each one. Also mention about their applications.
- What is the difference between a 200W stereo amplifier and a 100 W stereo amplifier in dB?
- What is dBm? Where is it commonly used?
- A utility company is interested in purchasing a Public Address system (audio frequencies). Because the company works near high-voltage power lines, where 60Hz interference is common, they have requested that the PA system be designed to minimize pickup from the power lines. What would be the best way to minimize this interference?