Answer :
Final answer:
The range of frequencies generated by the local oscillator in a superheterodyne receiver designed for a 1 to 30 MHz band, with an IF frequency of 8 MHz, would be 9 to 38 MHz.
Explanation:
The range of frequencies generated by the local oscillator in a superheterodyne receiver designed to receive a frequency band of 1 to 30 MHz, with an intermediate frequency (IF) of 8 MHz can be calculated as follows:
Since the IF is subtracted from the received signal in a superheterodyne receiver to generate the required frequencies, so the Local Oscillator (LO) must generate frequencies that are offset from the received signal by the IF. Therefore, if the received signal is ranging from 1 to 30 MHz, and IF is at 8 MHz, then the frequencies generated by the LO should be 9 to 38 MHz (1+8 to 30+8).
These calculations will allow the receiver to down-convert any input frequency from the entire 1 to 30 MHz band into the 8 MHz IF signal which can then be easily processed.
Learn more about Local Oscillator Frequencies here:
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