Found in 1997 , moso has developed a wide range of power supply products : switching power supply , linear power supply , battery charger , mobile phone charger , transformer and kwh meter counter etc . mosopower occupies 30000 square meters modern factory with 40 semi - auto production lines , advanced production equipments and first class lab 公司系中港合资企业,享有独立的进出口权,专业生产各种开关电源及适配器手机充电器高低频变压器ac dc ac ac适配器和高精度电能表计度器。
The paper has discussed deeply the power amplifier in sdr . and the present design methods and techniques of the broadband linear power amplifier are analyzed at large . the study of the power amplifier ' s performance characteristics is emphasized on broadband , linearity and efficiency 本文对软件无线电中的射频功率放大器进行了较深入的讨论,系统详尽地分析了目前宽带线性射频功放的设计方法和技术,在软件无线电的构架下,着重于射频功率放大器的宽带、线性和效率等性能的研究。
Meeting to the demand of linear power amplifier ( lpa ) compensation technology in the modern communication , this thesis presents a reflection adjustable phase shifter using the reflection theory , realizing phase adjust in a wide range with a little amplitude fluctuation and discussing the principle and experimental results 摘要针对现代通信中线性功率放大器的补偿要求,介绍一种利用反射理论设计可调移相器,实现大范围移相,同时幅度波动很小,并详细讨论了它的工作原理和实验结果。
The switch power possesses the advantages of compact size and high efficiency compared with conventional linear power which makes its wide application in the field of communication , computer , etc . in recently year , there is a rapid increasing market demanding for battery - powered portable equipments ( such as pdas , mobiles , etc ) , which requires the dc - dc converter with high efficiency to boost the battery supply capability and good large signal property to satisfy the special demand of the cpu , dsp and flash memory 相对于线性电源,开关电源具有体积小、效率高等优点,使其在通讯、计算机等领域得到广泛应用。近年来,电池供电便携式设备(如pda 、手机、 mp3播放器等)的需求越来越大,对dc - dc开关电源ic的需求也日益增大,同时对其性能要求是越来越高。要求dc - dc转换器具有高转换效率,以延长电池供电时间;并具有良好大信号特性,以满足cpu 、 dsp和闪存等模块要求。
Having overcome the disadvantages of ponderous , inefficient linear power source , switch power supplies are widely applied in power motion , industrial , communication , pc , office and family electronics equipment etc . but the ripple and low precision make it impossible to replace linear power source completely 开关电源克服了传统线性电源体积笨重、效率低的缺点,从而在电力传动、微型计算机、家用电器、通讯电源等领域中得到广泛应用。然而,因输出精度较低、有开关纹波等因素,在仪用电源方面目前还不能完全代替线性电源。