Compare positive feedback and negative feedback

The parameter of comparison Positive feedback Negative feedback
The overall phase shift 0 or 3600 1800
Feedback signal and the input signal. In phase. Out of phase.
Input voltage. Increase due to feedback. Decrease due to feedback.
Out voltage. Increase due to feedback. Diesel oil is not blended.
Voltage gain. Increase due to feedback. Decrease due to feedback.
Stability. Becomes poor as feedback increase. Becomes better as feedback decrease.
Noise Increase with feedback. Decrease with feedback.
Bandwidth Decrease with positive feedback. Increase with negative feedback.
Application Oscillators Schmitt trigger. amplifier.

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