What do you mean by 3 dB cutoff frequency? Why is it 3 dB,
not 1 dB?

Answer Posted / guest

It is the half power point. At this point, the
electronic/communication system has achieved the maximum
power transfer.

Is This Answer Correct ?    164 Yes 41 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

What is engineering?

605


simplification of Boolean Expression- A+A'B.

592


please send the last 5 years {{{JUNIOR ENGINEER - ELECTICAL, ELECTRONICS RRB CHENNAI}}} TECHNICAL question papers TO MY EMAIL ID pushpapappu@yahoo.co.in

1437


Dear all, I am working as engineer in an electronics industry since 3 years,and i would like to apply PR visa for australia,i got 6 bands in all modules in ielts(general).please let me know what should i do now?

1352


Define what is meant by phase reversal?

633






1 explain advantage and dis advantages of FIR filters compared to IIRcouterparts ? 2 what is the need of filtering,ideal response of filters and actual response of filters ? 3 what is CMRR ? 4 which semiconductor device is used ad a voltage regulator and why ? 5 how can we rectify race around condition ?

1610


how does modulation reduce bandwidth

2343


What is satellite cooding in telecom transmission system?

1571


is below 2 ohms earth resistance is good for mobile tower

1740


Dear concern Plz provide me the solved papers of Railway section engineer in signal...

1413


Define cut off frequency?

624


What is the magnetic susceptibility of a paramagnetic material?

625


What are the function of different capacitor, resistors, transister, diods, thyrister( like SCR)in any circuit?

1701


Why emitter is always forward biased?

665


Draw the vi characteristics of an ideal diode.

634