The loop gain is too high, so the amplifier may oscillate.
环路增益过高,所以放大器可能会自激振荡。
By shaping the loop gain with a compensator, the designer increased phase margin and improved stability across the operating range.
通过用补偿器来整形环路增益,设计者提高了相位裕度,并改善了系统在整个工作范围内的稳定性。