该IC利用的无线频率范围是ISM频带的5.790G～5.840GHz。采用FSK调制方式。集成有上行转换混频器、缓冲器及预驱动器放大器、Fractional-N型（分数型锁相型）频率合成器等-The use of radio frequency IC is the ISM band 5.790G ~ 5.840GHz. Using FSK modulation. Integrated upconverter mixer, buffer and pre-driver amplifier, Frac

AD9850内含可编程DDS系统和高速比较器，能实现全数字编程控制的频率合成,信号发生器具有输出频率范围宽，可以输出正弦和方波两种波形，51代码-AD9850 DDS system and includes a programmable high-speed comparator, to achieve all-digital programming control of the frequency synthesizer, the signal generator has an output

文利用直接数字频率合成器(DDS)与CPLD技术和单片机控制技术，研制和 设计了高分辨率、高稳定度的函数信号发生-Wen using direct digital frequency synthesizer (DDS) and CPLD technology and single-chip microcomputer control technology, development and Design of high resolution, high stability function