Question

16. Hartley's law states that:

a. bandwidth is directly proportional to both the amount of information and time of transmission.

b. the amount of information is directly proportional to both the system bandwidth and time of transmission.

c. the time of transmission is directly proportional to both the system bandwidth and the amount of information.

d. the bandwidth is directly proportional to both the amount of information and the amount of noise present.

17. The oscillator design that is characterized by having a "tapped" inductor is the:

a. Hartley design.

b. Clapp design.

c. Colpitts design.

d. Crystal design.

18. The oscillator design that uses two capacitors in the tank circuit is the:

a. Hartley design.

b. Clapp design.

c. Colpitts design.

d. Crystal design.

19. The oscillator design that has the highest frequency stability is the:

a. Hartley design.

b. Clapp design.

c. Colpitts design.

d. Crystal design.

20. The main requirements that must be met for an oscillator to successfully oscillate are known as:

a. the flywheel effect.

b. Barkhausen criteria.

c. the piezoelectric effect.

d. frequency synthesis.

21. The repetitive exchange of energy from the magnetic field of an inductor to an electric charge on a capacitor in a resonant circuit is known as:

a. the flywheel effect.

b. Barkhausen criteria.

c. the piezoelectric effect.

d. frequency synthesis.

22. Determine the voltage level required to produce a +10dBm level. Assume a 600Ω system.

a. 1.947V

b. 2.45V

c. .775V

d. none of the above

23. Convert 300W to dBW.

a. 54.77 dBW

b. –24.77 dBW

c. –10.0 dBW

d. 24.77 dBW

24.. A square wave is made up of a summation of:

a. ramps

b. sinusoids

c. rectangle waves

d. pulses

Answer 1