机电工程技术
機電工程技術
궤전공정기술
MACHANICAL & ELECTRICAL ENGINEERING TECHNOLOGY
2014年
6期
86-89
,共4页
电路与系统%MSP430F157%多功能测量%信号发生%低功耗%自休眠%智能量程切换
電路與繫統%MSP430F157%多功能測量%信號髮生%低功耗%自休眠%智能量程切換
전로여계통%MSP430F157%다공능측량%신호발생%저공모%자휴면%지능량정절환
electronic circuit and system%MSP430F157%multi-measurement%signal generating%low-power%automatic sleep%smart range switching
基于MSP430设计了智能多功能测量表，由主控芯片、信号发生电路、液晶显示电路、键盘输入电路等测量电路组成，实现了对直流/交流电压、电阻、电容以及晶体三极管放大倍数的多量程测量功能和频率可调正弦波/方波的输出功能。经测试，系统可以完成指定的测量输出任务，具有测量精度理想、交互界面友好等优点。
基于MSP430設計瞭智能多功能測量錶，由主控芯片、信號髮生電路、液晶顯示電路、鍵盤輸入電路等測量電路組成，實現瞭對直流/交流電壓、電阻、電容以及晶體三極管放大倍數的多量程測量功能和頻率可調正絃波/方波的輸齣功能。經測試，繫統可以完成指定的測量輸齣任務，具有測量精度理想、交互界麵友好等優點。
기우MSP430설계료지능다공능측량표，유주공심편、신호발생전로、액정현시전로、건반수입전로등측량전로조성，실현료대직류/교류전압、전조、전용이급정체삼겁관방대배수적다량정측량공능화빈솔가조정현파/방파적수출공능。경측시，계통가이완성지정적측량수출임무，구유측량정도이상、교호계면우호등우점。
This paper describes the smart digital multifunction meter based on MSP430. The system contains master-chip, the signal generating circuit, liquid crystal display circuit, keyboard input circuit and the corresponding measuring circuit, and it has many multi-range measurement functions, such as AC/DC voltage measurement, resistance measurement, capacitance measurement and transistor magnification measurement, and adjustable frequency sine wave or square wave output function. After testing, the system can be good to complete the measurement and the output task,and it has advantage of measurement accuracy and friendly interface.
