Block Converter RF Image Rejection For the block downconverter shown in Figure 10-69:
a. Find the desired RF and RF image.
b. What is the worst-case RF image of this downconverter? What is the image frequency of the worst-case image rejection?
c. Name one change we could make to this downconverter to increase the RF image rejection
d. Find the two bands of IF spectrum leaving the IF port of the mixer. Which is the IF image band?
e. What frequency in the IF image band will be attenuated the least by the IF filter? To what RF does this frequency correspond?
Figure 10-69
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