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Electronic Communication Systems 2nd Edition by Roy Blake
Edition 2ISBN: 978-0766826847Electronic Communication Systems 2nd Edition by Roy Blake
Edition 2ISBN: 978-0766826847 Exercise 49
A receiver has two uncoupled tuned circuits before the mixer, each with a Q of 75. The signal frequency is 100.1 MHz, and the IF is 10.7 MHz. The local oscillator uses high-side injection.
(a) Calculate the image rejection ratio in decibels.
(b) To show the advantage of a high IF, recalculate the image rejection, assuming an IF of 455 kHz.
(a) Calculate the image rejection ratio in decibels.
(b) To show the advantage of a high IF, recalculate the image rejection, assuming an IF of 455 kHz.
Explanation
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(a)
The image rejection ratio is calcula...
Electronic Communication Systems 2nd Edition by Roy Blake
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