【摘要】 分析了信号调理电路的原理及其高频特性，提出了用四象限乘法器和电流反馈运算放大器实现宽带信号调理的方案，并成功地应用于两种高性能任意波发生器中．更多还原

【Abstract】 The principle of signal modulation circuit and it’s high frequency feature are analyzed. The scheme of broad bandwidth signal modulation circuit with four-quadrant multiplier and current-feedback operational amplifier is presented and realized, which has been sucessfully used in two kinds of high performance ARB.更多还原