一种信号发生器自动电平控制环路设计

An Auto Level Control Loop Designed for Frequency Agile Signal Generator

提出了一种信号发生器自动电平控制环路设计方法。利用FPGA数字自动电平控制算法、功率校准算法及频响校准算法,实现信号功率稳定准确输出。测试结果表明,在10MHz^40GHz频段内功率准确度指标达到±0.6dB。

This paper presents a method of an auto level control loop designed tbr Signal Generator. FPGA digital tuto level control algorithm, power calibration algorithm and fi＇equeney response calibration algorithm are used to achieve ,table and accurate signal power output. Test results show that, the power accuracy index in the 10MHz-40GHz frequeney band reaches ＋0.6dB.