A speech signal of 3 kHz is used to modulate a carrier signal of frequency 1 MHz, using amplitude modulation. The frequencies of the side bands will beA. 1.003 MHz and 2. 997 MHzB. 3001 kHz and 2997 kHzC. 1003 kHz and 1000 kHzD. 1 MHz and 0.997 MHz

A speech signal of 3 kHz is used to modulate a carrier signal of frequ

1.	A speech signal of 3 kHz is used to modulate a carrier signal of frequency 1 MHz, using amplitude modulation. The frequencies of the side bands will beA. 1.003 MHz and 2. 997 MHzB. 3001 kHz and 2997 kHzC. 1003 kHz and 1000 kHzD. 1 MHz and 0.997 MHz
Answer» Correct Answer - A Sideband frequencies are : Lower sideband `(LSB) = omega_c - omega_m` `= 1xx10^6 Hz - 3xx10^3 Hz` `(1000- 3)xx 10^3 Hz` `2997 kHz` `and = 2.997 MHz` Upper sideband `(USB) = omega _c + omega_m` `1xx 10^6 Hz + 3xx 10^3 Hz` `1003 kHz` `= 1.003 MHz`.

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A speech signal of 3 kHz is used to modulate a carrier signal of frequency 1 MHz, using amplitude modulation. The frequencies of the side bands will beA. 1.003 MHz and 2. 997 MHzB. 3001 kHz and 2997 kHzC. 1003 kHz and 1000 kHzD. 1 MHz and 0.997 MHz

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