验证你的RF水平如何

验证你的RF水平如何Exam Practice Problems EE5331, Summer 2001 1. For the most common definition of dynamic range what are the limiting factors on the low and high signal inputs ?

2. Define the parameters in the Friis transmission formula.

3. What is the difference between homodyne and superheterodyne receivers ?

4. What is the definition for antenna gain ? Why is gain important to receiver performance ?

5. What are the two main antenna patterns that are usually of most interest ?

6. What is the insertion loss of a filter and why is this an important parameter ?

7. What characteristics of a filter need to be known to assess the selectivity of a receiver ?

8. What is the significance of the 1 dB compression point for an amplifier ?

9. What important information can be determined from a knowledge of th