基于声卡的虚拟仪器设计实例集锦，里没有信号发生器，示波器，扫频仪-Sound card based virtual instrument design example highlights, there is no signal generator, oscilloscope, Sweep

MSP430F控制AD9854，并行，LCD显示，矩阵键盘控制，幅频特性测试仪，2013全国电设E题，数字扫频信号源，线性扫频，对数扫频，点频，中心频率，3dB带宽-MSP430F control AD9854, serial, LCD display, matrix keyboard control, amplitude frequency characteristics of the test instrument, the 2013 national electric E title, d

本设计基于TMS320F28234 DSP芯片，制作了一台音频范围数字扫频仪。系统由DSP核心、硬件调理电路和PC机交互界面三部分组成。(This design is based on TMS320F28234 DSP chip, making an audio range digital sweep frequency instrument. The system consists of three parts: DSP core, hardware conditioning circuit