series-feedback amplifier

例句：

1. 1.The series feedback amplifier is used in the design of high-power amplifiers.
   系列反馈放大器用于设计大功率放大器。
2. 2.The series feedback amplifier was developed to improve the performance of the electronic device.
   系列反馈放大器被开发出来，以改进电子设备的性能。
3. 3.The series feedback amplifier is an essential component of the power amplifier system.
   系列反馈放大器是功率放大器系统的必备组件。