These converters exploiting the enhanced speed and circuit density of modern vlsi technologies , have been widely used for high resolution a / d conversion 這類模/數(shù)轉(zhuǎn)換器可充分利用現(xiàn)代vlsi的高速、高集成度的優(yōu)點,已成為實現(xiàn)高精度模/數(shù)轉(zhuǎn)換的主要技術(shù)。
Bult - in self - test is considered to be the most hopeful technology to solve the great cost and difficulty of manufacturing test because of the increasing of the circuit density 內(nèi)建自測試( buit - in - self - test , bist )技術(shù)被認(rèn)為是解決由于電路集成度越來越大所造成的測試費用巨大和測試訪問困難等問題的最有希望的技術(shù)。
The information revolution and coming period of ulsi silicon chip , which make the performance integration of chip unit continually increase , drive the demands for larger circuit density and greater performance <中文摘要> =信息革命及ulsi硅片時代的來臨,使單片功能集成度持續(xù)增長,驅(qū)動著對更大電路密度和更高性能的需求。
Coplanar waveguides ( cpw ' s ) offer several advantages over conventional microstrips , these include the simplification of the circuit fabrication process , ease of parallel and series insertion of both active and passive components ( without the need for via holes ) , and high circuit density . therefore cpw ' s are widely used in microwave and millimeter - wave integrated circuits , optical and high temperature superconductor microwave devices 與常規(guī)的微帶傳輸線相比,共面波導(dǎo)具有容易制作,容易實現(xiàn)無源、有源器件在微波電路中的串聯(lián)和并聯(lián)(不需要在基片上穿孔) ,容易提高電路密度等優(yōu)點,因此共面波導(dǎo)被廣泛應(yīng)用于微波、毫米波、光學(xué)和高溫超導(dǎo)等集成電路中。
Comparing with conventional nyquist converters , - converters greatly release the requirements for high performance of analog circuit and precisely matched components . additionally , these converters exploit the enhanced speed , circuit density and low cost of modern vlsi technologies . currentlly , - adcs have been widely used for audio a / d conversion - adc采用過采樣噪聲整形技術(shù)實現(xiàn)高精度模數(shù)轉(zhuǎn)換,和傳統(tǒng)的nyquist率模數(shù)轉(zhuǎn)換器相比,避免了對模擬電路性能指標(biāo)和元器件匹配精度的較高要求,并可充分利用現(xiàn)代vlsi的高速、高集成度、低成本的優(yōu)點,已成為音頻模數(shù)轉(zhuǎn)換的主要技術(shù)。