Compare positive feedback and negative feedback
Category: Electronics Articles
13 Jun 18
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. |