blocking oscillator

例句：

1. 1. The new device is designed to block unwanted signals.
   这款新设备旨在屏蔽不希望的信号。
2. 2. The engineer used a blocking oscillator to eliminate noise in the circuit.
   工程师使用一个阻塞振荡器来消除电路中的噪声。
3. 3. The signal was blocked by the blocking oscillator, preventing further transmission.
   信号被阻塞振荡器阻挡，阻止了进一步的传输。