The frequency to which the incoming signal is changed in super heterodyne reception is called

The frequency to which the incoming signal is changed in super heterodyne reception is called Correct Answer intermediate frequency 

​The frequency to which the incoming signal is changed in superheterodyne reception is called ​intermediate frequency.

Superheterodyne receiver:

• Heterodyne Receivers are the most widely used receiver architecture in communication systems.
• The advantage of using heterodyne receivers is that all the incoming signal frequencies are converted into a fixed frequency called the intermediate frequency.
• Therefore, all the succeeding stages have to operate on a fixed frequency making the circuit simple and with improved performance.

Working Principle:

From the below stages of the superheterodyne receiver, it is clear that the RF amplifier stage is used before demodulation

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• All the incoming radio frequencies are amplified and converted into a fixed intermediated frequency by the mixer.
• The intermediate frequency (IF) of 455 kHz is used in commercial radio receivers.
• The intermediate frequency is then demodulated to recover the message signal.
• The recovered message signal is then passed through the audio amplifier and/or power amplifier to achieve the desired strength.