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

Answer Posted / hariharan

3db cut off frequency is frequency at which gain is .707 times the maximum gain.(rms value of maximum gain).

Is This Answer Correct ?    21 Yes 5 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Explain which oscillator is best for general purpose?

541


1.Introduce yourself by telling your name ,SSC,HSC, degree marks n colleges,something about your family and interests. 2.Tell about your favourite subjects. 3.Tell how satelite communication works? 4.what you mean by handoffs in mobile communication.tel its types. 5.what you mean by signal fading?tell the factors affecting it and also tell the remedies to avoid it. 6.why the microwaves are used? 7.Draw the GSM architecture? 8.What u mean by Antenna?What are its basic components? 9.why you are interested to work in this company? 10.can you work anywhere anytime as per the our need?

2060


What is an excess-3 code?

590


What are the types of commutation with respect to commutation process?

568


What are schmitt triggers?

669






I want previous rrb enteranse exam papers in junior engineer(Signal/Tele/c&w). please send that papers to my id dkg_unnao@yahoo.com

2852


Define the signaling massage in telecomincation

1653


Explain rf?

640


What is boolean algebra?

623


What is latching current in scr?

585


What is the effect of polarization of dielectric under heat?

602


Explain Speech Coding.

2868


Can fuses with an ac voltage rating be used in a dc applications?

593


Define what types of carriers are present in space charge region?

685


define flyback converter.

649