targate test series- 7th test (ec)

Enter "Paper ID, Question Number" in subject line for query! Start a new thread for every question.

Moderators: karthrags, arun_kumar, CS Moderators Team

targate test series- 7th test (ec)

Postby jayantvaswani » Mon Dec 31, 2012 1:44 pm

targate 7 test paper ( offline )

paper code :- ec

problem :- q 47 ( answer given in booklet is b)

if modulation index is greater than1 , use of envelope detector is not possible . here modulation index i'snt specified . so how can we conform that am-sc signal isnt overmodulated ...answer should be d ..do reply...
Posts: 3
Joined: Sun Nov 25, 2012 11:47 pm
My College/Company:: uit - rgpv bhopal
Roll Number: 14115027

Re: targate test series- 7th test (ec)

Postby zangetsa1 » Mon Jan 07, 2013 8:05 pm

It is given that modulated signal is being detected by envelope detector . By default m<1.
and envelope is |m(t)| for DSB-SC
Posts: 9
Joined: Tue Oct 23, 2012 12:29 am
My College/Company:: JUIT
Roll Number: 12115289

Return to ECE Paper Question

Who is online

Users browsing this forum: No registered users and 3 guests