In a typical frequency multiplier application using a PLL, a decade counter was inserted between the VCO output and the relevant phase comparator input. If the input frequency is 10 kHz, the VCO output frequency would be

Skip distance depends on time of day and angle of incidence.

A. True

B. False

It is found that a ship to ship communication suffers from fading. This can be avoided by using

A. Space diversity

B. Frequency diversity

C. Broad band antenna

D. Directional antenna

A buffer amplifier is

A. A double-tuned amplifier

B. A high gain D.C. amplifier

C. A cathode follower stage

D. None of the above

SSB can be generated by

A. Filter method

B. Phase cancellation method

C. Good attenuation characteristics

D. All of the above