chap 1 board question of w11 s11 w12

SR.	Question	marks	year
1.	What is  superhetrodyne  receiver ? explain with respect to AM receiver .	4 marks	S11
2.	draw square law diode detector .State its limitations	-4marks	w11
3.	draw AM waveform in time domain for m>1,m=1 &m<1	6marks	w11
4.	Draw frequency spectrum of AM .state 2 advantages of FM over AM	4 marks	S12
5.	Compare AM & FM	4 marks	W 11, w11
6.	Compare AM & PM	4 marks	W11
7.	Draw neat block diagram of Communication system. State functions of each block	4 marks	S 12, S11
8.	Draw neat diagram of AM transmitter ,Describe function of each block	6 marks	S 12
9.	Define FM state ideal & practical B/W requirement of FM	4 marks	S12
10.	Find % modulation when Emax=132 V.P.P. & Emin = 28 V.P.P  Draw AM waveform	4 marks	S12
11.	Draw frequency spectrum of AM .state 2 advantages of FM over AM	4 marks	S12
12.	Define modulation index of AM  , draw waveform for m=1,m<1,m>1	4 marks	S12
13.	Define FM state ideal & practical B/W requirement of FM	4 marks	S12
14.	Compare AM,FM ,PM  w.r.t.  waveform ,B/W , MI, frequency Spectrum	4 marks	S11
15.	Compare AM,FM ,PM  w.r.t.  waveform ,B/W , MI, frequency Spectrum	4 marks	S11