Ultra 2020功率放大器的计算机控制
Computer Control of Ultra 2020 Power Amplifier
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摘要: 为了调节Ultra 2020功率放大器以用于超声信号的放大,针对一般情况下功率放大器的放大倍数无法调节的特点,利用PC机、Powernap数据采集板及Visual Basic语言编制软件,完成了对Ultra 2020功率放大器的实时控制,不仅可以调节功率放大器还可以对其参数状态监控,其特点是输出功率稳定、可控,使用方便、应用界面友好.并为下一步用超声寻波监测试件奠定了一部分实验基础.Abstract: In order to adjust Ultra 2020 power amplifier so as to be used in the amplification of ultrasonic signal, the authors adopt PC computer, powernap data collection board and visual language to compile software and implement the real time control over Ultra 2020 power amplifier, which not only adjusts the power amplifier but also inspects its parameter state. The software has the characteristics of stable and controllable power, convenient utilization and friendly application interface.