Frequency trackingcircuit is one of the special circuits used in the ultrasonic generator.
频率跟踪电路是超声波发生器中的一种特殊电路。
2
The controlling loop includes start-up circuit, frequency trackingcircuit, driving signal circuit, and water lack protecting circuit.
控制回路由启动、频率跟踪、驱动信号、缺水保护电路组成。
3
The former determines the frequency range which should be revised by the hot trackingcircuit, while the later is the final frequency error of the local oscillator.