關鍵字查詢 | 類別:會議論文 | | 關鍵字:Design of current mode operational amplifier with differential-input and differential-output

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1 85/2 電機系 鄭國興 副教授 會議論文 發佈 Design of current mode operational amplifier with differential-input and differential-output , [85-2] :Design of current mode operational amplifier with differential-input and differential-output會議論文Design of current mode operational amplifier with differential-input and differential-outputCheng, Kuo-hsing; Wang, Huei-chi淡江大學電機工程學系Institute of Electrical and Electronics Engineers (IEEE)Circuits and Systems, 1997. ISCAS '97., Proceedings of 1997 IEEE International Symposium on, vol.1, pp.153-156In this paper, a CMOS implementation of a current operational amplifier (COA) with a differential input and a differential output is described. The amplifier is configured from a differential current mirror input transimpedance stage followed by a differential output transconductance gain stage. A differential mode design technique is proposed and used in the feedback circuit. This configuration is the current mode counterpart of the traditional voltage mode operational amplifier (VOA). In this design, the simulation results exhibit an open-loop differential gain of 51.71 dB with the gain-bandwidt
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