Extra class question #7

E4C11: Which of the following is a desirable amount of selectivity for an amateur SSB phone receiver? A  1 kHz…

Extra class question #6

What is the term for the ratio between the frequency deviation of an RF carrier wave and the modulating frequency…

Extra class question #5

What will be the output voltage of the circuit shown in Figure E7-4 if R1 is 1000 ohms, RF is…

Extra class question #4

What is transequatorial propagation? A Propagation between two stations at the same latitude B Propagation between two mid-latitude points at…

extra class question #3

What type of wave does a Fourier analysis show to be made up of sine waves of a given fundamental…

Extra class question #2

Which of the following descriptors indicates the greatest solar flare intensity? A Class X B Class B C Class A…

antenna matching know-how

Matching Problems Most matching problems occur when the antenna system presents an extremely high impedance to the tuner. When the…