- background current
- reference current
下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯
基準(zhǔn)電流的英文
例句與用法
- The developing history , present situation and trends of temperature sensor and cmos integrated temperature sensor were summarized in this paper
本文概述了基準(zhǔn)電壓源和基準(zhǔn)電流源的發(fā)展歷史,現(xiàn)狀和趨勢。 - The current source plays an important part in the performance of the oscillator . with the help of the voltage reference , we design a constant current source which does not vary with the temperature 、 the voltage source and the process
由于充放電電流對弛張振蕩器的性能有很大的影響,因此本文把基準(zhǔn)電壓源結(jié)合在一起設(shè)計(jì)出一個(gè)受溫度、電源電壓、工藝條件影響很小的基準(zhǔn)電流參考源。 - 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(nèi)外的模擬低電壓低功耗技術(shù)做了廣泛的調(diào)查研究,分析了這些技術(shù)的工作原理和優(yōu)缺點(diǎn),在吸收這些技術(shù)成果基礎(chǔ)上設(shè)計(jì)了一個(gè)1 . 5v低功耗軌至軌cmos運(yùn)算放大器。在設(shè)計(jì)輸入級(jí)時(shí),為了使輸入共模電壓范圍達(dá)到軌至軌,不是采用傳統(tǒng)的差動(dòng)輸入結(jié)構(gòu),而是采用了nmos管和pmos管并聯(lián)的互補(bǔ)差動(dòng)輸入對結(jié)構(gòu),并采用成比例的電流鏡技術(shù)實(shí)現(xiàn)了輸入級(jí)跨導(dǎo)的恒定;在中間增益級(jí)設(shè)計(jì)中,電流鏡負(fù)載并不是采用傳統(tǒng)的標(biāo)準(zhǔn)共源共柵結(jié)構(gòu),而是采用了適合在低壓工作的低壓寬擺幅共源共柵結(jié)構(gòu);在輸出級(jí)設(shè)計(jì)時(shí),為了提高效率,采用了推挽共源級(jí)放大器作為輸出級(jí),輸出電壓擺幅基本上達(dá)到了軌至軌;本論文改變傳統(tǒng)基準(zhǔn)源基于運(yùn)放的設(shè)計(jì),采用了帶電流鏡負(fù)載的差分放大器設(shè)計(jì)了一個(gè)基準(zhǔn)電流源,給運(yùn)放提供穩(wěn)定的偏置電流和偏置電壓,保證了運(yùn)放的穩(wěn)定性;并采用了帶調(diào)零電阻的密勒補(bǔ)償技術(shù)對運(yùn)放進(jìn)行頻率補(bǔ)償。 - According to the comparison of related reference , the circuit had lower power consumption in the same process . more pieces meaned more complicated , so through the ptat and ctat current achieved above , we could accomplishd the simplest multi - order compensation of temperature , and got the output voltage with low tempereature coefficient . it was reasonable to use the ptat and ctat current achieved above to get reference current with low temperature coefficient through reasonable design
與相關(guān)文獻(xiàn)相比,在工藝相同的情況下具有更低的功耗?？紤]到分段越多,電路會(huì)變得越復(fù)雜,利用得到的ptat電流和ctat電流完成溫度的兩段線性補(bǔ)償,獲得溫度系數(shù)很小的基準(zhǔn)電壓輸出。利用上面的ptat電流和ctat電流,合理設(shè)計(jì)電路獲得較小溫度系數(shù)的基準(zhǔn)電流。