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In a feedback amplifier positive feedback produces an output that is?
A: POSITIVE feedback will force the amplifier to sit at its rail saturated
How is a positive feedback stopped?
The positive feedback loop is terminated by the end of childbirth...
A self-amplifying chain of physiological events is called?
positive feedback.
What is the purpose of feelback how can you offer positive feedback?
What is the purpose of feelback how can you offer positive feedback
Which kind of feedback is used to reinforce correct behavior?
constructive feedback
What makes closed-loop op amp unstable?
A: It does not. The loop becomes unstable ONLY if there is positive feedback either voltage or phase. For a close loop to be stable negative feedback is required.
Why positive feedback unstable?
A: To feedback more of the same signal from the output to increase the input to farther increase the output and farther increase the input will ultimately saturate the system
Why negative feedback amplifier is preferred to positive feedback amplifier?
The negative feedback tends to stabilize the circuit; positive feedback would make it more unstable. For example, the "beta" of a transistor OF THE SAME SERIES - this is basically the amplification factor - may vary between 100 and 1000. With negative feedback, the circuit is hardly affected by these changes in beta - at the cost of a reduced amplification.
Is blood pressure negative or positive feedback?
Is the clotting of blood an example of positive or negative feedback?
Oxygen loading a positive of negative feedback process?
oxygen loading is a positive feedback response
What is the difference between Positive feedback and Regenerative feedback?
positive feedback is always benificial but regenerative feedback may or may not.
Is contractions during childbirth positive or negative feedback?
Positive feedback.
Definition of negative feedback and positive feedback?
A: Any feedback that contributes to the input is positive feedback any feedback that subtract from the input is negative feedback
Tends to magnify a process or increase its output?
Positive feedback Positive feedback
How is a positive feedback stopped?
The positive feedback loop is terminated by the end of childbirth...
In a feedback amplifier positive feedback produces an output that is?
A: POSITIVE feedback will force the amplifier to sit at its rail saturated
Is urinating a negative feedback?
No it is positive feedback
