CONCLUSION: the computerized near infrared scan is a simple, non trauma and effective method in the differential diagnosis of the breast cancer and is clinically helpful in the early stage diagnosis.
The transfer characteristics of basic VMOS differential input stage are analyzed, a VMOS operational transconductance amplifier which has good linearity and tunable transconductance is presented.
分析了VMOS基本差动输入级的传输特性，提出一种高线性度的跨导可调v MOS跨导运算放大电路。
3
Peak detector circuit is a fast adaptive detector circuit, and the limiting amplifier involves two stagedifferential amplifiers.