The working principle, technical specification and maintenance standard of the new WXJ25 phase-sensitive track circuit receiver were introduced in this paper.
介绍新型WXJ25型微电子相敏轨道电路接收器的工作原理，技术条件及维修标准。
2
The sensor's signal is decomposed to two signals by circuit of 90 degree move-phase and two circuits of phase-sensitive detecting rectification.
通过90度移相电路和两路相敏检波电路实现了对探头信号进行二维提取。
3
The main elements of the design include: phase-sensitive signal demodulation circuit analysis and design;