Explain 3 dB cutoff frequency? Why is it 3 dB, not 1 dB?
Answer Posted / 10dell
db is relative scale
3db down scale implies that Pout/Pin = half
means output power is half
and below this half power the output is no loger useful,and only the output above 3db scale is cosidered
so we take the range which is defined by 3db line as bandwidth
according to this we can define bandwidth as the range of acceptabe output
Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
i need diploma electronic and comunication question papers
difference between transient & Steady state response?
State different methods of voltage control inverters. Describe about pwm control in inverter?
kindly,plesae tell me # the working of BTS # ITS CARDS SPECIFICATION # WORKING OF TRX,DUPLEXER,ASMA CARDS,FIFA # HOW WE ROUTE TRAFFICS # FLOW OF SMS,HOT CALLS,CALLS ETC
Define why iceo >> icbo?
can we calculate the voltage level for microwave energy which is using for our mobile communication?
plz send me previous question paper of RRB section Engineer- Electronics ,erpdayal@gmail.com
Name the cmos version of the 555 timer.
why -48 voltage is given to bts?
Give the difference between transducer and transponder?
what is the diffeence between real time testing and GUI testing?
how a choke of tubelight can be used to increse reciving power of antina?
steps which are performed in the bios POST codes
what is the function of solid state relay (SSR)
what are control system components?