The block diagram of figure 923 shows a double conversion, Ask an Expert

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The block diagram of Figure 9.23 shows a double conversion receiver. It has two mixers, two local oscillators, and two intermediate frequencies. The idea is to have a high first IF for image rejection and a low second IF for gain and selectivity.

(a) Does the first mixer use low-side or high-side injection?

(b) What is the second IF frequency?

(c) Suppose that the input signal frequency were changed to 17.000 MHz. What then would the frequencies of the two local oscillators be?

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Computer Engineering, Engineering

Category:- Computer Engineering
Reference No.:- M92192694

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