RF基础与测量RF的用途,主要是迅速而准确地传输信息,以 克服距离上的障碍,是无线通信的关键技术,是 传输信息的载体
上传时间: 2016-11-21
上传用户:yfangwei
这个是一个RF发射 的很经典的一款芯片。超低功耗。
上传时间: 2018-04-09
上传用户:376115111
RC5编码格式的遥控器解码、PCA9633器件控制代码示例、串口通信程序示例、IIC通信示例
标签: 9633 RC5 PCA IIC 编码 器件 代码 串口通信 控制 程序
上传时间: 2019-07-03
上传用户:zqy1818
Radio frequency (RF) power amplifiers are used in everyday life for many applica- tions including cellular phones, magnetic resonance imaging, semiconductor wafer processing for chip manufacturing, etc. Therefore, the design and performance of RF amplifiers carry great importance for the proper functionality of these devices. Furthermore, several industrial and military applications require low-profile yet high-powered and efficient power amplifiers.
标签: Introduction Amplifier Design Power to RF
上传时间: 2020-05-27
上传用户:shancjb
With the rapid expansion of wireless consumer products,there has been a con- siderable increase in the need for radio-frequency (RF) planning, link plan- ning, and propagation modeling.A network designer with no RF background may find himself/herself designing a wireless network. A wide array of RF planning software packages can provide some support, but there is no substi- tute for a fundamental understanding of the propagation process and the lim- itations of the models employed. Blind use of computer-aided design (CAD) programs with no understanding of the physical fundamentals underlying the process can be a recipe for disaster. Having witnessed the results of this approach, I hope to spare others this frustration.
标签: Introduction Propagation to RF
上传时间: 2020-05-27
上传用户:shancjb
The unguided transmission of information using electromagnetic waves at radio frequency (RF) is often referred to as wireless communications, the first demonstration of which took place at the end of the 19th cen- tury and is attributed to Hertz. The technology was, shortly thereafter, commercialised by, amongst others, Marconi in one of the first wire- less communication systems, i.e., wireless telegraphy. In the first half of the 20th century the technology was developed further to enable more than the mere transmission of Morse code. This first resulted in uni- directional radio broadcasting and several years later also in television broadcasting.
标签: Imperfections RF
上传时间: 2020-06-01
上传用户:shancjb
The market for cellular phones and wireless data transmission equipment has changed dramatically since the late 1970s when cellular phones were first introduced and the late 1980s when wireless data equipment became available. As would be expected, duringthistime RF test requirements and RF test equipment has changed dramatically.
标签: Measurements Cellular Phones for RF
上传时间: 2020-06-01
上传用户:shancjb
The multiple-input multiple-output (MIMO) technique provides higher bit rates and better reliability in wireless systems. The efficient design of RF transceivers has a vital impact on the implementation of this technique. This first book is com- pletely devoted to RF transceiver design for MIMO communications. The book covers the most recent research in practical design and applications and can be an important resource for graduate students, wireless designers, and practical engineers.
标签: Transceiver Design RF
上传时间: 2020-06-01
上传用户:shancjb
The phenomenon of electrostatic discharge (ESD) has been known for a long time, but recently a growing interest has been observed in ESD in radio frequency (RF) technology and ESD issues in RF applications.
标签: Technology Circuits ESD and RF
上传时间: 2020-06-05
上传用户:shancjb
中兴内部资料--射频RF板PCB工艺设计规范
上传时间: 2020-06-23
上传用户:lanmm123