| 1. | General specification for microwave broadband amplifiers 微波宽带放大器通用规范 |
| 2. | Families for microwave broadband amplifier 微波宽带放大器品种系列 |
| 3. | And good frequency response is obtained . extended applications and huge market are promised 该宽带放大器具有很好的应用前景和广阔的市场空间。 |
| 4. | Semiconductor integrated circuits . detail specification for type jf36 low noise wide - band amp lifier 半导体集成电路. jf36型低噪声宽带放大器详细规范 |
| 5. | The broadband amplifier is an important type of amplifiers using in modern communication systems 宽带放大器是现代通信系统中的一种重要的放大器类型。 |
| 6. | Broadband communication technology develops faster and the requirement for broadband amplifiers is higher 宽带通信技术的不断发展,使其对宽带放大器的要求也越来越高。 |
| 7. | Balance technology to design wlna is done by other authors , however , which is very expensive . so it will not be introduced in this dissertation . 4 也可以用平衡技术来设计宽带放大器,但使用的元件较多,成本较高,所以在设计中没有采用平衡技术。 |
| 8. | Because of low noise figure , high linear , broad frequency scale and simple structure , lossless feedback broadband amplifier becomes one of the most important types of broadband amplifiers 无损耗反馈宽带放大器以其噪声低、线性好、宽频带以及结构简单的特点成为重要的宽带放大器类型。 |
| 9. | The research of lossless feedback technology is almost blank interiorly . this project aims to improve the national present situation , researches the performance and design of the lossless feedback amplifiers 我国在无损耗反馈技术方面的研究还很少,本课题的工作就是针对现状展开的,研究了无损耗反馈宽带放大器的性能和设计。 |
| 10. | The factors limiting the frequency band of the wide - band amplifier are introduced . through analyzing the effects of the intrinsic parameters and parasitical on the frequency characteristics , a method of improving fr of mosfet by using short channel device and making mosfet work at the saturation region through raising vgs is put forward ; the effects of different kinds of circuit configurations on the frequency characteristics and the junction voltage on the voltage pattern circuit , current pattern circuit and frequency characteristics are analyzed . according to the linear theory of transconductance which is applied in the bit circuit , the current pattern amplifier circuit , current transfer circuit and output circuit which consist of mosfet and the wide - band amplifier composed of them are put forward 介绍了限制宽带放大器频带宽度的因素,通过分析mosfet的本征参数、寄生参数对频率特性的影响,提出了采用短沟器件、使mosfet工作在饱和区、抬高栅源电压等提高mosfet特征频率的方法;分析了不同电路组态对放大器频率特性的影响、节点电压对电压模电路、电流模电路频率特性的不同影响,根据应用于双极晶体管电路的跨导线性原理,提出了采用mosfet构成的电流模放大电路、电流传输电路、输出电路以及由它们所组成的宽带放大器,获得了良好的频率响应。 |