An AM broadcast station operates at its maximum allowed output power of 80W at a percent modulation of 60%. What is the upper sideband power?
A) 18.47 watts
B) 12.2 watts
C) 6.1 watts
D) 9.23 watts

Question

Quizplus · Accepted Answer

The upper sideband power in an AM signal is given by (m^2 * Pc) / 4, where m is the modulation index (0.6) and Pc is the carrier power (80W). Calculating gives (0.6^2 * 80) / 4 = 6.1 watts.

An AM Broadcast Station Operates at Its Maximum Allowed Output