Title: ALM 1.3.2-2 DBST

KC 1.3.2-2.1

Q: KC1: The spectrum of Single-tone DSB-SC signal doesn’t contain any carrier signal frequency component.
- True (correct)
- False
Feedback (0 to 50%): Low Score! You should repeat the lesson before proceeding
Feedback (51 to 75%): Fair Score! Review relevant portions
Feedback (76 to 100%): Good Score! You have understood the lesson

KC 1.3.2-2.2

Q: KC2: Find the bandwidth of modulated signal, if the message signal is having frequency of 1 KHz and carrier signal is having frequency of 2 MHz.
- 2 KHz (correct)
- 1 KHz
- 3 KHz
- 4 KHz
Feedback (0 to 50%): Low Score! You should repeat the lesson before proceeding
Feedback (51 to 75%): Fair Score! Review relevant portions
Feedback (76 to 100%): Good Score! You have understood the lesson

KC 1.3.2-2.3

Q: KC3: Choose the correct statement.
- The power of Single-tone DSB-SC signal is less than the power of Single-tone DSB-FC signal
- The modulation efficiency of Single-tone DSB-SC is 100 % for modulation index 1
- The power saving of Single-tone DSB-SC is equal to 66.67 % for modulation index 1
- All of these (correct)
Feedback (0 to 50%): Low Score! You should repeat the lesson before proceeding
Feedback (51 to 75%): Fair Score! Review relevant portions
Feedback (76 to 100%): Good Score! You have understood the lesson

KC 1.3.2-2.4

Q: KC4: Determine the transmission power of Single-tone DSB-SC signal with m(t) = 6cos(3π * 10^3t) and c(t) = 8cos(4π * 10^6t).
- 576 W (correct)
- 768 W
- 384 W
- 516 W
Feedback (0 to 50%): Low Score! You should repeat the lesson before proceeding
Feedback (51 to 75%): Fair Score! Review relevant portions
Feedback (76 to 100%): Good Score! You have understood the lesson

Choose the correct statement.