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CMOSインバータを用いた擬似差動OTAにおける同相入力の範囲の検討
https://kitami-it.repo.nii.ac.jp/records/8570
c6d74dca-d10d-48f5-bbb0-fa0d668ca4ea
名前 / ファイル | ライセンス | アクション | |
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Item type | 会議発表論文 / Conference Paper(1) | |||||
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公開日 | 2018-02-02 | |||||
タイトル | ||||||
言語 | ja | |||||
タイトル | CMOSインバータを用いた擬似差動OTAにおける同相入力の範囲の検討 | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
言語 | ja | |||||
主題Scheme | Other | |||||
主題 | 同相入力電圧 | |||||
キーワード | ||||||
言語 | ja | |||||
主題Scheme | Other | |||||
主題 | 動作点,擬似差動増幅器 | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | OPA | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | OTA | |||||
キーワード | ||||||
言語 | ja | |||||
主題Scheme | Other | |||||
主題 | CMOSインバータ | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_5794 | |||||
タイプ | conference paper | |||||
アクセス権 | ||||||
アクセス権 | open access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_abf2 | |||||
著者 |
吉田, 英一
× 吉田, 英一× 谷本, 洋 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | We analyzed inverter-based pseudo-differential OTAs for their common-mode input range. In order to meet strong demands for OPA/OTAs operable from low power supply voltage, We investigated possibility of constructing inverter-based OTAs. CMOS inverters can operate from low power supply voltage; however, they have very narrow linear input range, and they are slngle-end amplifiers. Thus, we need common-mode suppression device when inverters are used to realize differential amplifiers. First, We analyzed a simple CMOS inverter and discussed requlrements to construct differential amplifier with inverters. Next, we analyzed three existing Pseudo-differential 0TAs, which are inverter-based OTAs, for their common-mode input ranges・ assuming 0.18 μm CMOS process. Finally, the common-mode input ranges are compared with that of a simple differential pair. We found that the inverter-based OTAs have comparable common-mode input range at 1.8 V power supply voltage; however, they have much wider common-mode input range at 1.0 V power supply voltage, than a simple differential pair. This shows the superiorlty Of inverter-based pseudo-differential Oms at low power supply voltage operation as low as 1 V・ | |||||
書誌情報 |
電気学会研究会資料. ECT, 電子回路研究会 巻 ECT-06, 号 53, p. 7-10, 発行日 2006 |
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権利 | ||||||
権利情報 | c2006IEEJapan | |||||
著者版フラグ | ||||||
値 | publisher | |||||
出版者 | ||||||
出版者 | 一般社団法人 電気学会 |