Aug 30, 2007 #1 anoopjose Newbie level 6 Joined Jun 8, 2006 Messages 11 Helped 1 Reputation 2 Reaction score 0 Trophy points 1,281 Activity points 1,352 Pls.... answer me the given below Ques... expecting an approximate ans....
Aug 30, 2007 #2 K kpsai26779 Member level 4 Joined Jun 28, 2007 Messages 77 Helped 11 Reputation 22 Reaction score 4 Trophy points 1,288 Location Bangalore, India. Activity points 1,657 Hi anoop, you given two transfer functions but you didnt mentioned is they are in parallel or cascaded.
Hi anoop, you given two transfer functions but you didnt mentioned is they are in parallel or cascaded.
Aug 30, 2007 #3 anoopjose Newbie level 6 Joined Jun 8, 2006 Messages 11 Helped 1 Reputation 2 Reaction score 0 Trophy points 1,281 Activity points 1,352 they are not cascade or parallel in fact they are independent & we need to find a separate analysis of their bandwidth thankyou......
they are not cascade or parallel in fact they are independent & we need to find a separate analysis of their bandwidth thankyou......
Aug 31, 2007 #4 A amriths04 Full Member level 5 Joined Jul 15, 2006 Messages 263 Helped 23 Reputation 46 Reaction score 9 Trophy points 1,298 Activity points 2,819 find roots of s. so you will get equation of the form 1/(s-a). it's inverse laplace is e^-at. where 1/a is the 3dB bandwidth. for the seond equation it's the differentiation of e^-at so i dont think it's 3dB would change. i am not sure whether my above approach is right.
find roots of s. so you will get equation of the form 1/(s-a). it's inverse laplace is e^-at. where 1/a is the 3dB bandwidth. for the seond equation it's the differentiation of e^-at so i dont think it's 3dB would change. i am not sure whether my above approach is right.
Aug 31, 2007 #5 lordsathish Full Member level 5 Joined Feb 11, 2006 Messages 246 Helped 33 Reputation 66 Reaction score 3 Trophy points 1,298 Location Asia Activity points 2,698 I think it could be found by substituting jw for s then finding its magnitude and equating it to 1/√2 times its maximum magnitude... hope i'm right...
I think it could be found by substituting jw for s then finding its magnitude and equating it to 1/√2 times its maximum magnitude... hope i'm right...
Sep 1, 2007 #6 anoopjose Newbie level 6 Joined Jun 8, 2006 Messages 11 Helped 1 Reputation 2 Reaction score 0 Trophy points 1,281 Activity points 1,352 Hai lordsathish, your approach is correct but i couldn't reach the answer anyway...... Hai amriths04,, I didnt get you pls clear me.........
Hai lordsathish, your approach is correct but i couldn't reach the answer anyway...... Hai amriths04,, I didnt get you pls clear me.........
Sep 1, 2007 #7 A amriths04 Full Member level 5 Joined Jul 15, 2006 Messages 263 Helped 23 Reputation 46 Reaction score 9 Trophy points 1,298 Activity points 2,819 the capacitor voltage equation contains e^(-t/Rc), where 1/RC is the 3 dB frequency. analogous to that is what i told.
the capacitor voltage equation contains e^(-t/Rc), where 1/RC is the 3 dB frequency. analogous to that is what i told.