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A radar receiver has a “wide open” front end with no RF filtering before the mixer....

A radar receiver has a “wide open” front end with no RF filtering before the mixer. It is intended to operate in C-Band at 9.825 GHz with a heterodyne receiver with an I.F. of 30 MHz and the local oscillator set to 9.855 GHz. What other “image” frequency will the receiver detect?

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