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What is the effect of negative feedback in a noninverting amplifier?
Negative feedback in a noninverting amplifier results in improved stability and reduced drift.
What is current feedback shunt?
The effect of current shunt feedback in an amplifier is to The effect of current shunt feedback in an amplifier is to
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.
What is the effect of miller capacitance in CB configuration?
Miller capacitance in a common-base (CB) configuration can significantly impact the amplifier's frequency response. It effectively increases the input capacitance due to the feedback from the output to the input, which can lead to reduced bandwidth and increased response time. This effect can limit the high-frequency performance of the amplifier, making it essential to consider Miller capacitance in the design and analysis of CB amplifiers.
What is the effect of negative feedback to bandwidth?
Negative feedback can improve the effective bandwidth of a system by reducing distortion and enhancing stability. By correcting errors in the output based on the difference from the desired input, negative feedback allows for more accurate signal processing, which can lead to a clearer and more reliable transmission of information. However, excessive negative feedback might also slow down the response time of the system, potentially limiting bandwidth in terms of speed. Overall, the balance of negative feedback is crucial for optimizing bandwidth performance.
What is the theory of voltage series feedback amplifier?
In a Voltage Shunt feedback Amplifier, the feedback signal voltage is given to base of transistor in shunt through a feedback resistor.This Shunt connection decreases the input input impedance and voltage feedback decreases the output impedance. In this amplifier input is current and output is voltage. Thus Transresistance is stabilized.Input and Output impedances are reduced by a factor of 'D'(desensitivity factor). Advantages: 1)Gain independent of device parameters. 2)Bandwidth increases. 3)Noise and non-Linear distortion decrease. 4)Prevents Loading effect. 5)Acts as good source for the next stage.
What is a tuned rf jfet amplifier?
It's a junction gate field effect transistor that has it's bandwidth tuned to operate (amplify) in the radio frequency range.
What is the effect of feed back on gain?
A: Number one it provide stability for the amplifier or system. The greater the feedback the greater the stability but less gain. In other words gain is inversely related to feedback
What is the effect of bandwidth of an amplifier with negative feed back?
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Is oxytocin an adenohypophyseal secretion?
no, it's release is the effect of a positive control feedback mechanism
What are the example of negative and positive feedback in geography?
A negative feedback would be if the planet heats up, the glaciers will melt, lowering the albedo effect of the snow, and in turn causing the planet to heat up more That is positive feedback, not negative. Positive feedback enhances the initial stimulus, negative feedback reverses the initial stimulus. The planet starts by heating up, then heats up even more, which is positive feedback.
How has the guitar pedals assisted with technology of the guitar and sound quality?
Guitar effect pedals were invented in the late 60's and more development into effects came in the 70's. The purpose of the effect pedal, namely the ever popular distortion, overdrive, feedback and delay pedals, was to eliminate the need to crack amplifier tubes and overdriving the feedback by proximity to the amplifier. Later, flanger, phaser and Hendrix's heavy use of the Wah-Wah effect became increasingly popular through sound shaping and dynamics. Most pedals are used do avoid amplifier and instrument abuse and damage. The sound dynamics from a pedal is designed to give the guitar the best effect based on varying conditions; loudness, regular amplifier distortion and feedback, the general acoustics of the venue, the amplifier cabinet type... the possibilities are limitless.
