(1-3) An RF input signal at 900 MHz is down-converted in a mixer to an IF frequency of 80 MHz. What are the two possible LO frequencies and the corresponding image frequencies? (1-4) A diode mixer with a conversion loss of 5 dB and a noise figure of 4 dB, and a FET mixer
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The desired outcome in many applications is to down-convert the RF signal to a lower IF (Intermediate Frequency). The image frequency is an unwanted frequency that can also be down-converted to the same IF, thus potentially interfering with the desired Show more…
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