0
Can negative feedback amplifier work as a oscillator if yes how if no why?
Wiki User
∙ 11y ago
All negative feedback systems, whether they be electronic, biological, or anything else, work by applying a negative feedback to the source signal, which is proportional in some way to the source signal.
If the factor by which the amplifier corrects is high enough, oscillation will result (perhaps even runaway oscillation)
How you make it happen depends upon the amplifier you use however -- though most work similarly enough. You could use a delay between output and feedback, or you could rely on a large amplifier gain.
Wiki User
∙ 11y ago
Add your answer:
Earn +20 pts
How do you get phase shift in Hartley oscillator?
basicaly the two inductors work as an autotransformer,providing a phase shift of 180 degree
What is the difference between an amplifier and a speaker?
The subwoofer is the actual speaker making the loud bass. The amplifier is what powers the subwoofer and makes it work how it does. It only uses the low frequencies from the audio source and amplifies it.
Will 8 ohm speaker work with 4 ohm bass guitar amplifier?
Yes. As long as the speaker impedance is higher than the minimum rating for the amplifier, you are OK.
Does listen up the sound amplifier work?
http://www.associatedcontent.com/article/342960/product_review_listen_up_personal_sound.html ^this might help
Will either kruskal or prim's algorithm work on negative edge graph?
The correctness of either Prim's or Kruskal's algorithm, is not affected by negative edges in the graph. They both work fine with negative edges. The question boils down to "Does a Priority Queue of numbers work with negative numbers?" because of the fact that both Prim's and Kruskal's algorithm use a priority queue. Of course -- as negative numbers are simply numbers smaller than 0. The "<" sign will still work with negative numbers.
How does negative feedback mechanism and positive feedback differ?
A negative feedback will stabilize an amplifiers positive feed back will force the amplifier to either saturated state. this will hold true for a system too. A more general answer follows. 1. Feedback: Getting information about what just happened and responding to it. 2. Negative Feedback: The response lessens the output. 3. Positive Feedback: The response increases the output.
When the body reacts to stop or work in the opposite direction of a stimulus is it known as negative feedback or positive feedback?
negative feedback
How does a negative feedback work?
Some output signal is fed back to thee input and subtracted. This results in a much more stable reliable amplifier.
What is the purpose of a phase-shift network in a Wien bridge oscillator?
A Wien bridge oscillator produces sine waves. In order for the sine waves to maintain a steady amplitude, a positive feedback system is used with some sort of control to limit gain. In order for the positive feedback system to work, the waves being "fed back" to the amplifier have to be in phase with the waves being generated. Thus, you need a phase shift network to ensure that the phases of the waves match, which in the case of a positive feedback system means that the generated waves need to go through a 360o phase shift during the feedback process.
Does the negative feedback work like a stove or thermostat?
Thermostat
Is true of feedback?
Negative feedback mechanisms work to prevent sudden severe changes within the body.
How does the negative-feedback work?
The negative feedback mechanism is important in many biological processes. The process can be shut off by the accumulation of products further along in the process.
How does a biological negative feedback loop work?
Negative Feedback: Enzyme A makes Substance A when Substance A is not available in the Diet. When Substance A becomes available in the Diet, Enzyme A is no longer required and The Negative Feedback loop shuts down the production of Enzyme A.
What is an example of construction feedback?
If your boss told you that you are a lazy person, that is not constructive feedback. Its negative feedback. If they however told you that you need to put more effort into your work by, say, come to work earlier, that would be constructive feedback.
How does the negative-feedback mechanism work?
The negative feedback mechanism is important in many biological processes. The process can be shut off by the accumulation of products further along in the process.
What is example of constructive feedback?
If your boss told you that you are a lazy person, that is not constructive feedback. Its negative feedback. If they however told you that you need to put more effort into your work by, say, come to work earlier, that would be constructive feedback.
The pancreas and liver work together to maintain homeostasis through what?
Negative Feedback.
