cascode amplifier 中文意思是什麼
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2. 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
2 .為了提高儀表放大器的電源抑制比，並得到大的開環增益，相對低的失調等性能，電流傳輸器的輸入級和跨阻放大器中運算放大器輸入級均採用折疊共源共柵放大器。 -
The thesis has done the widespread investigation and study to the domestic and foreign ’ s technologies of analogy low voltage and low power, and analyzes the principles of work, merts and shortcomings of these technologies, based on the absorption of these technologies, it designs a 1. 5v low power rail - to - rail cmos operational amplifier. when designing input stage, in order to enable the input common mode voltage range to achieve rail - to - rail, it does not use the traditional differential input pair, but use the nmos tube and the pmos tube parallel supplementary differential input pair to the structure, and uses the proportional current mirror technology to realize the constant transconductance of input stage. in the middle gain stage design, the current mirror load does not use the traditional standard cascode structure, but uses the low voltage, wide - swing casecode structure which is suitable to work in low voltage. when designing output stage, in order to enhance the efficiency, it uses the push - pull common source stage amplifier as the output stage, the output voltage swing basically reached rail - to - rail. the thesis changes the design of the traditional normal source based on the operational amplifier, uses the differential amplifier with current mirror load to design a normal current source. the normal current source provides the stable bias current and the bias voltage to the operational amplifier, so the stability of operational amplifier is guaranteed. the thesis uses the miller compensate technology with a adjusting zero resistance to compensate the operational amplifier
本論文對國內外的模擬低電壓低功耗技術做了廣泛的調查研究，分析了這些技術的工作原理和優缺點，在吸收這些技術成果基礎上設計了一個1 . 5v低功耗軌至軌cmos運算放大器。在設計輸入級時，為了使輸入共模電壓范圍達到軌至軌，不是採用傳統的差動輸入結構，而是採用了nmos管和pmos管並聯的互補差動輸入對結構，並採用成比例的電流鏡技術實現了輸入級跨導的恆定;在中間增益級設計中，電流鏡負載並不是採用傳統的標準共源共柵結構，而是採用了適合在低壓工作的低壓寬擺幅共源共柵結構;在輸出級設計時，為了提高效率，採用了推挽共源級放大器作為輸出級，輸出電壓擺幅基本上達到了軌至軌;本論文改變傳統基準源基於運放的設計，採用了帶電流鏡負載的差分放大器設計了一個基準電流源，給運放提供穩定的偏置電流和偏置電壓，保證了運放的穩定性;並採用了帶調零電阻的密勒補償技術對運放進行頻率補償。 -
Based on the study of circuit cells which are applied in sige bicmos operational amplifier, the telescope cascode configuration is selected to realize high speed and high gain
其次，通過對sigebicmos運算放大器中電路單元的研究，並結合運放實際設計指標，選擇套筒式共源共柵結構作為運放的主體結構以確保高速、高增益的實現。 -
In this paper, the traditional cascode structure of cmos lna is considered as a two - stage amplifier and inter - stage matching network is introduced accordingly
本文也對cmos低噪聲放大器進行了分析，將傳統共源共柵結構看作二級放大器級聯形式，並由此引入級間匹配網路。 -
The full noise and linearity analysis of the low noise amplifier ( lna ) constructed by cascode structure with source degeneration and the optimization methods of the two mosfets in this structure according to the noise and linearity performance
I對共源共柵矚ascode ）源極去耦舊ourcedegeneration ）結構低噪放做了完整的噪聲和線性分析，得到該結構中兩個mosfet針對噪聲性能和線性性能的優化方法。
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