Closed loop vs. open loop system analysis and design
Apr 21, 2020 · 1) Why is controller design is traditionally done with the open-loop system? Is it simply that if the system responds in a stable and desirable manner in an open loop setting …
voltage - Why is open loop gain important in an op amp?
Jun 19, 2023 · Can someone tell me why open loop gain in an op-amp is important? Why should someone measure or even care about the open loop gain when op-amps are always used in …
operational amplifier - How do the open loop voltage gain and …
Oct 10, 2012 · Closed loop gain is the gain that results when we apply negative feedback to "tame" the open loop gain. The closed loop gain can be calculated if we know the open loop …
Closed loop bandwidth vs open loop bandwidth - Electrical …
May 26, 2013 · Here is the open-loop bandwidth of a certain op-amp shown in red: - The blue line is when certain closed-loop components are applied to the op-amp. Bandwidth is normally …
Gain-bandwidth product and open loop/closed loop gain
May 15, 2022 · The connection is shown in the image you posted. You draw a horizontal line from that number and where it intersects the open-loop gain tells you what the bandwidth will be in …
Confusion regarding root locus. Open loop or close loop?
Nov 30, 2019 · Which transfer function ,open loop or close loop do we use/need as a pre req to perform root locus analysis? I have also attached a snapshot of the relevant webpage of …
OpAmp - Open Loop, Closed Loop and Loop Gain Simulations
Nov 6, 2023 · In my formula I have referred to the forward gain as Aforward to avoid any ambiguity caused by the two different definitions of open loop gain. Reserving the term "open …
Why is CMRR defined differently in open loop and closed loop ...
Nov 13, 2021 · But in open loop config of opamp as shown in circuit 1, Ad = A (open loop gain of opamp). However in the closed loop config (negative feedback) in circuit 2, Ad = G (closed …
Understanding GBP, closed loop gain and open loop gain
Aug 21, 2024 · 0 Since you are given an open loop gain, but not a gain-bandwidth product it's likely that you are supposed to assume that the opamp has infinite bandwidth (what else can …
Opamp gain open loop vs closed loop in its gain bandwidth
May 29, 2025 · So at at 30 kHz its open loop gain should be 100. If I connect a closed loop gain of 100 the gain should drop by 6 db as both open and closed loop gain are 100, but it's only -3 db …