Receivers

Question 13 of 22

The possibilities of second channel interference in a superheterodyne receiver can be reduced by

• i two IF stages - a first low IF stage followed by a second high IF stage
• ii good screening of the mixer
• iii high selectivity in the RF amplifier

1. ii and iii only
2. i and iii only
3. i and ii
4. i, ii and iii

1

2

3

4

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