Study of a Facile Signal Demodulation Pre-circuit for Differential Capacitance Detection
Author(s): Tan Xiaoyun, Xiong Jun, Liu Xiaowei, Zhao Hui, Liu Nan
Pages: 361-364
Year: 2005 Issue: z1
Journal: CHINESE JOURNAL OF SCIENTIFIC INSTRUMENT
Keyword: 差分电容检测; 前置电路; 解调; 信号处理;
Abstract: 提出了一种用于差分电容检测中前置电路的开关电路,该电路使得信号易于解调而能简化信号处理电路.阐述了电路的工作原理及相关特性,在250kHz的载波频率下,给出了Hspice仿真结果.
Pages: 361-364
Year: 2005 Issue: z1
Journal: CHINESE JOURNAL OF SCIENTIFIC INSTRUMENT
Keyword: 差分电容检测; 前置电路; 解调; 信号处理;
Abstract: 提出了一种用于差分电容检测中前置电路的开关电路,该电路使得信号易于解调而能简化信号处理电路.阐述了电路的工作原理及相关特性,在250kHz的载波频率下,给出了Hspice仿真结果.
Related Articles