An amplifier or attenuator may be needed to ensure that the required level of power is transmitted through the switch.
可能就需要一个放大器或衰减器，以确保通过开关传输所需的功率。
2
The outlook of high frequency switch power supply in application to high fidelity audio frequency power amplifier is indicated.
指出了高频开关电源在高保真音频功率放大器中广阔的应用前景。
3
The override action occurs when a slight pull toward the driver on the switch lever providers high beam headlights regardless of the amount of light on the sensor-amplifier.