摘要
设计了一种基于PIC单片机的井下仪器发射信号源,单片机利用内部功能模块产生PWM脉冲序列,经过D类功放放大,然后将滤波解调出的标准正弦波作为微电阻率扫描成像(简称FMI)测井系统极板的激励信号源。基于PIC单片机的集成化模块为测井仪器中信号源的研制提供了新的方法。
A kind of logging tool signal source is designed, which based on PIC single chip, the single chip uses its interior function module to generate PWM pulsed sequence, which is amplified by passing the D class power amplifier. After filter signal is changed into standard sine signal, which is applied to Formation Microresistivity Image well logging system of driving signal source. The integration module based on PIC single chip provides a new method for the developing of the logging tool signal source.
出处
《石油矿场机械》
2008年第8期34-37,共4页
Oil Field Equipment
关键词
单片机
信号源
PWM
微电阻率扫描成像测井
single chip
signal source
pulse width modulation
formation microresistivity image well logging
