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- cascode ampliffer 射地基地放大器
- Furthermore, the cascode distributed topology is used to design the wideband low-noise CMOS transimpedance amplifiers. 进一步,串叠分散式放大器实现了相当宽频的低杂讯CMOS转阻放大器。
- Cascode structure could restrain these effects, but there was a big dissipation on voltage margin, and fussy design. 共源共栅电流源可以很好地抑制小尺寸效应,但其消耗的电压余度较大,偏置电路设计繁琐。
- After the circuits are analyzed and simulated, a kind of self-biased two-stage cascode power amplifier is designed. 通过对具体电路结构的分析和仿真,设计了一种两级自偏置共源共栅结构的功率放大器。
- The bandgap reference voltage is serf-generated by the circuit , the open-loop gain is mainly provided by the second stage cascode circuit. 电路在产生带隙基准电压的同时也能检测反馈电压的变化,从而简化了电路结构,降低了静态功耗,节省了芯片面积。
- Some basic circuits with single and dual rail structure used to realize all clocked signals are designed,whose cascode types are also presented. 设计了实现全部钟控信号的基本单元电路;这些电路包括单轨和双轨结构;并给出了它们的多种级联方式.
- Finally, we applied this modified cascode amplifier to the thermal noise canceling structure to achieve low noise figure and impedance matching. 最后应用这个宽频放大器到热杂讯消除技术架构来设计达到低杂讯与阻抗匹配。
- This paper proposes a bias circuit for cascode current mirror in band-gap voltage reference to realize low supply voltage. 通过设计带隙基准电压源中共源共栅电流镜的偏置电路以实现低电源电压工作。
- The proposed mixer uses a novel cascode topology with a bulk-injection technique to achieve low-voltage and low-power performance. 这个新颖的混波器是利用叠接的架构以及基极端注入的技术,达成低电压以及低功率的电路特性。
- By using the wide-swing cascode current sources, the output impedance is increased without using too much voltage tolerance. CP电路中采用宽摆幅共源共栅电流源,增大了VCO控制电压范围;
- Finally, we try to find out the reason of low frequency oscillation of a CMSDA ( Cascode Multi-Stage Distributed Amplifier ) and the way to solve this problem. 再来,我们利用一个设计失败的多级串叠分布式放大器来讨论低频震荡的产生原因与解决方法。
- The performance of impedance matching and noise figure of the LNA is analyzed, and then the improving techniques for cascode structure are also developed. 从阻抗匹配及噪声优化的角度分析了电路的性能,提出了相应的优化设计方法。
- This paper analyzes the drawback of traditional biased folded cascode operational amplifier and proposes a new biased folded cascode operational amplifier. 摘要文章分析了基于传统偏置的折叠共源共栅运算放大器,提出了一种具有反馈偏置的折叠共源共栅运算放大器;
- Based on traditional two-stage amplifier,cross-coupled class AB output stage and cascode compensation were adopted to improve output voltage swing and bandwidth. 在传统两级运放的基础上,采用交叉耦合的AB类输出级和共源共栅补偿,提高了输出摆幅和带宽,并通过数学工具对功耗进行了优化。
- The main OP in pipeline is realized by a two-stage cascode architecture with gain-boost OP.The large output impedance ensures this architecture a very high DC gain. 流水线中的运放采用带增益自举的两级CASCODE结构实现,通过提高运放的输出电阻来得到高的直流电压增益。
- J. F. Chen, W. S. Liu, R. L. Lin, T. J. Liang and C. H. Liu, “High-Efficiency Cascode Forward Converter of Low Power PEMFC System,” IEEE IPEMC, Vol. 1, Aug. 2006, pp. 361-367. 梁适安,磁性元件分析与设计,国立中正大学电机工程研究所电力电子实验室教育训练讲义,中华民国86年8月。
- The input stages of the CCII and the operational amplifier in transimpedance implifier are realized with folded cascode amplifier to reach high CMRR , large open loop gain and low offset. 为了提高仪表放大器的电源抑制比,并得到大的开环增益,相对低的失调等性能,电流传输器的输入级和跨阻放大器中运算放大器输入级均采用折叠共源共栅放大器。
- The other is Active-RC filter used in RF receiver, it utilizes folded cascode operational amplifier. In order to improve stability of active filter, buffer and miller effect capacitor are added. 另一种是应用于射频接收机的Active-RC滤波器,其中的运算放大器采用折叠式共源共栅结构,使用了缓冲器和密勒效应电容进行频率补偿,提高了滤波器的稳定性。
- Simulation shows that the power supply rejection ratio(PSRR) of the circuit has been greatly improved,and high common mode rejection ration(CMRR) has been achieved for the cascode OTA. 该设计提高了电源抑制比(PSRR),并具有较高的共模抑制比(CMRR)。