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

SESI JULAI 2007 (FINAL EXAM)

a) Apakah takrifan bagi Superheterodin?
<3 markah>

b) Nyatakan julat penyiaran bagi :
i) Radio AM
ii) Radio FM
<4 markah>

c) Lukiskan gambarajah blok bagi penerima radio FM.
<10 markah>

d) Berikan 4 perbezaan di antara penerima radio FM dengan penerima radio AM.
<8 markah>