Tuesday, August 2, 2011

QUESTION 4 : 1210

a) State the purpose of alignment? [3 marks]

b) Draw the waveform of the following. [4 marks]

i) Amplitude Modulation (AM)

ii) Frequency Modulation (FM)

c) Give TWO (2) possible reasons for the following symptoms :- [8 marks]

i) Dead Receiver

ii) Batteries run out quickly

iii) Intermitten

iv) Wesk Signal


d) List THREE (3) differences between AM and FM Receiver. [6 marks]

e) State the frequency of radio broadcasting for the following :

i) AM

ii) FM

No comments: