Please explain the term 3dB Bandwidth. | Forum for Electronics
May 17, 2004 · The 3dB bandwidth is used to define an effective frequency range for a system defined by a transfer function, where an input is processed by the system to form a valid …
Solving for 3db frequency of RC filter | Forum for Electronics
Apr 4, 2009 · The condition for -3 dB point is R = Xc, Xc being capacitive reactance magnitude. But why is attenuation of RC voltage divider 0.7 rather than 0.5 for equal magnitude of both …
[SOLVED] - 3dB & Cutoff frequency question | Forum for Electronics
Jan 7, 2012 · Re: 3dB & Cutoff frequency question There is a mathematically pleasant reason for choosing the -3dB point: Suppose you have a first-order low pass filter, with transfer function …
why we are taking 3 db for calculate the frequency response
Aug 8, 2007 · what is 3db point and how to calculate it? jerins said: concerning to gain factor at 3db point ,we will get a stabilized gain .that is the range of frequencies for which gain is …
anyone know bandwidth function in cadence? it seemed wrong!
Jun 28, 2005 · Hi, dear all. Are there anyone familiar with the wavescan calculator of cadence? It seemed to be totally wrong. I use it to measure the 3dB bandwidth, whether it is low, high or …
How to calculate the bandwidth from simulation graph
Oct 22, 2017 · I have designed a microstrip Chebyshev bandpass filter, and I got the simulation result as shown in the figure below. Can anyone explain to me how can I find the bandwidth …
What is -3dB? How is it calculated? | Forum for Electronics
Jul 15, 2004 · Re: What is -3dB? db stands for decibel.In log scale we measure voltage,current or power.-3 db point is that where power reduced its maxinum value by halfor voltage or current …
bandwidth of the unity gain buffer | Forum for Electronics
Jan 9, 2012 · Dear friends Kindly, why the bandwidth of the unity gain op-amp buffer is defined at the unity gain frequency, while the bandwidth at any different gain is at -3db. if I apply this …
How to design X-Band 1:2 Microstip T-junction power divider in ADS
Nov 3, 2023 · how to is -3dB? Is there a way to calculate it? This is simple: in an ideal lossless case, each output gets half the power (-3dB). Regarding your design: have a look at Wilkinson …
What is the -3dB bandwidth of an inverting op amp
Feb 1, 2011 · In the following figure, if the two resisters are equal, what is its -3dB bandwidth? Compare its stability with that of a source follower. This is one of my interview question today, …