This White Paper explains why an external low noise amplifier results in a better performance. Next generation mobile handsets will be equipped with GSM, WLAN, Bluetooth and GPS. Integrating all these functionality onto one printed circuit board

杨建国老师的通讯原理课件，第二章信号、信道及噪声，主要讲述信号产生与噪声特性，高斯白噪声等原理-Jianguo teacher communication, the second chapter of the principles of courseware signal channel and noise about the principle of signal generation and noise characteristics of white Gaussian noise