(c) An AM radio station broadcasts music with an absolute bandwidth of 5 kHz. The stationuses double-sideband, transmitted-carrier modulation and its carrier frequency is 1 MHz. (i) What are the minimum and maximum frequency limits, flow and fhigh, of the bandwidthin positive frequency space occupied by the modulated carrier that is broadcast by this station? (ii) If the carrier frequency is changed to 1.5 MHz, what are the new minimum and maximum frequency limits, flow and fhigh, of the bandwidth in positive frequency space occupied by the modulated carrier that is broadcast by this station? (iii) If the station changed to single-sideband suppressed-carrier modulation, broadcasting theupper sideband only (in positive frequency space) and the carrier frequency were the original 1 MHz, what are the new minimum and maximum frequency limits, flow and fhigh, of the bandwidth in positive frequency space occupied by the modulated carrier thatis broadcast by this station?
(c) An AM radio station broadcasts music with an absolute bandwidth of 5 kHz. The stationuses double-sideband, transmitted-carrier modulation and its carrier frequency is 1 MHz. (i) What are the minimum and maximum frequency limits, flow and fhigh, of the bandwidthin positive frequency space occupied by the modulated carrier that is broadcast by this station? (ii) If the carrier frequency is changed to 1.5 MHz, what are the new minimum and maximum frequency limits, flow and fhigh, of the bandwidth in positive frequency space occupied by the modulated carrier that is broadcast by this station? (iii) If the station changed to single-sideband suppressed-carrier modulation, broadcasting theupper sideband only (in positive frequency space) and the carrier frequency were the original 1 MHz, what are the new minimum and maximum frequency limits, flow and fhigh, of the bandwidth in positive frequency space occupied by the modulated carrier thatis broadcast by this station?
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Transcribed Image Text:(c) An AM radio station broadcasts music with an absolute bandwidth of 5 kHz.
The stationuses double-sideband, transmitted-carrier modulation and its
carrier frequency is 1 MHz.
(i) What are the minimum and maximum frequency limits, flow and fhigh, of
the bandwidthin positive frequency space occupied by the modulated
carrier that is broadcast by this station?
(ii) If the carrier frequency is changed to 1.5 MHz, what are the new minimum
and maximum frequency limits, flow and fhigh, of the bandwidth in
positive frequency space occupied by the modulated carrier that is
broadcast by this station?
(iii) If the station changed to single-sideband suppressed-carrier modulation,
broadcasting theupper sideband only (in positive frequency space) and
the carrier frequency were the original 1 MHz, what are the new
minimum and maximum frequency limits, flow and fhigh, of the
bandwidth in positive frequency space occupied by the modulated carrier
thatis broadcast by this station?
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