双语例句
| The preamplifier is essential for boosting the weak signal from the microphone before it reaches the main amplifier. | 前置放大器对于在信号到达主放大器之前放大麦克风的微弱信号至关重要。 |
| In high-fidelity audio systems, a dedicated phono preamplifier is often used to amplify the output of a turntable. | 在高保真音频系统中,通常使用专用的唱头前置放大器来放大唱盘的输出。 |
| The engineer designed a low-noise preamplifier to improve the sensitivity of the sensor. | 工程师设计了一种低噪声前置放大器,以提高传感器的灵敏度。 |
| Before connecting the preamplifier, make sure the power is off. | 连接前置放大器之前,请确保电源已关闭。 |
| This preamplifier features a gain of 20 dB and a bandwidth of 1 MHz. | 该前置放大器具有20 dB的增益和1 MHz的带宽。 |