DIFFERENTIAL AMPLIFIER
PROBLEM TO BE SOLVED: To provide a differential amplifier capable of achieving both a low leakage current and a high overvoltage protection function.SOLUTION: A differential amplifier comprises: a first external input terminal; a first diode connected between the first external input terminal and a...
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| creator | MIZUNO KENTARO SHIMADA HIDETO MAKINO YASUAKI |
| description | PROBLEM TO BE SOLVED: To provide a differential amplifier capable of achieving both a low leakage current and a high overvoltage protection function.SOLUTION: A differential amplifier comprises: a first external input terminal; a first diode connected between the first external input terminal and a first constant potential portion, and connected in a reverse direction from the first external input terminal toward the first constant potential portion; a second diode connected between the first external input terminal and the first diode, and connected in a reverse direction from the first external input terminal toward the first diode; a third diode connected between a first connection point between the first diode and the second diode, and the first external input terminal, connected in parallel to the second diode, and connected in a forward direction from the first external input terminal toward the first connection point; and a first potential adjustment circuit that adjusts a potential at the first connection point so as to be the same as a potential at the first external input terminal.SELECTED DRAWING: Figure 1
【課題】低いリーク電流と高い過電圧保護機能を両立した差動増幅器を提供する。【解決手段】差動増幅器は、第１外部入力端子と、第１外部入力端子と第１定電位部位の間に接続されており、第１外部入力端子から第１定電位部位に向けて逆方向となるように接続されている第１ダイオードと、第１外部入力端子と第１ダイオードの間に接続されており、第１外部入力端子から第１ダイオードに向けて逆方向となるように接続されている第２ダイオードと、第１ダイオードと第２ダイオードの間の第１接続点と第１外部入力端子の間に接続されており、第２ダイオードに対して並列に接続されており、第１外部入力端子から第１接続点に向けて順方向となるように接続されている第３ダイオードと、第１接続点の電位を第１外部入力端子の電位と同電位となるように調整する第１電位調整回路と、を備える。【選択図】図１ |
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【課題】低いリーク電流と高い過電圧保護機能を両立した差動増幅器を提供する。【解決手段】差動増幅器は、第１外部入力端子と、第１外部入力端子と第１定電位部位の間に接続されており、第１外部入力端子から第１定電位部位に向けて逆方向となるように接続されている第１ダイオードと、第１外部入力端子と第１ダイオードの間に接続されており、第１外部入力端子から第１ダイオードに向けて逆方向となるように接続されている第２ダイオードと、第１ダイオードと第２ダイオードの間の第１接続点と第１外部入力端子の間に接続されており、第２ダイオードに対して並列に接続されており、第１外部入力端子から第１接続点に向けて順方向となるように接続されている第３ダイオードと、第１接続点の電位を第１外部入力端子の電位と同電位となるように調整する第１電位調整回路と、を備える。【選択図】図１</description><language>eng ; jpn</language><subject>AMPLIFIERS ; BASIC ELECTRONIC CIRCUITRY ; ELECTRICITY</subject><creationdate>2018</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20180517&DB=EPODOC&CC=JP&NR=2018078466A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20180517&DB=EPODOC&CC=JP&NR=2018078466A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>MIZUNO KENTARO</creatorcontrib><creatorcontrib>SHIMADA HIDETO</creatorcontrib><creatorcontrib>MAKINO YASUAKI</creatorcontrib><title>DIFFERENTIAL AMPLIFIER</title><description>PROBLEM TO BE SOLVED: To provide a differential amplifier capable of achieving both a low leakage current and a high overvoltage protection function.SOLUTION: A differential amplifier comprises: a first external input terminal; a first diode connected between the first external input terminal and a first constant potential portion, and connected in a reverse direction from the first external input terminal toward the first constant potential portion; a second diode connected between the first external input terminal and the first diode, and connected in a reverse direction from the first external input terminal toward the first diode; a third diode connected between a first connection point between the first diode and the second diode, and the first external input terminal, connected in parallel to the second diode, and connected in a forward direction from the first external input terminal toward the first connection point; and a first potential adjustment circuit that adjusts a potential at the first connection point so as to be the same as a potential at the first external input terminal.SELECTED DRAWING: Figure 1
【課題】低いリーク電流と高い過電圧保護機能を両立した差動増幅器を提供する。【解決手段】差動増幅器は、第１外部入力端子と、第１外部入力端子と第１定電位部位の間に接続されており、第１外部入力端子から第１定電位部位に向けて逆方向となるように接続されている第１ダイオードと、第１外部入力端子と第１ダイオードの間に接続されており、第１外部入力端子から第１ダイオードに向けて逆方向となるように接続されている第２ダイオードと、第１ダイオードと第２ダイオードの間の第１接続点と第１外部入力端子の間に接続されており、第２ダイオードに対して並列に接続されており、第１外部入力端子から第１接続点に向けて順方向となるように接続されている第３ダイオードと、第１接続点の電位を第１外部入力端子の電位と同電位となるように調整する第１電位調整回路と、を備える。【選択図】図１</description><subject>AMPLIFIERS</subject><subject>BASIC ELECTRONIC CIRCUITRY</subject><subject>ELECTRICITY</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2018</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZBBz8XRzcw1y9QvxdPRRcPQN8PF083QN4mFgTUvMKU7lhdLcDEpuriHOHrqpBfnxqcUFicmpeakl8V4BRgaGFgbmFiZmZo7GRCkCAPQTH6s</recordid><startdate>20180517</startdate><enddate>20180517</enddate><creator>MIZUNO KENTARO</creator><creator>SHIMADA HIDETO</creator><creator>MAKINO YASUAKI</creator><scope>EVB</scope></search><sort><creationdate>20180517</creationdate><title>DIFFERENTIAL AMPLIFIER</title><author>MIZUNO KENTARO ; SHIMADA HIDETO ; MAKINO YASUAKI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JP2018078466A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng ; jpn</language><creationdate>2018</creationdate><topic>AMPLIFIERS</topic><topic>BASIC ELECTRONIC CIRCUITRY</topic><topic>ELECTRICITY</topic><toplevel>online_resources</toplevel><creatorcontrib>MIZUNO KENTARO</creatorcontrib><creatorcontrib>SHIMADA HIDETO</creatorcontrib><creatorcontrib>MAKINO YASUAKI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>MIZUNO KENTARO</au><au>SHIMADA HIDETO</au><au>MAKINO YASUAKI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>DIFFERENTIAL AMPLIFIER</title><date>2018-05-17</date><risdate>2018</risdate><abstract>PROBLEM TO BE SOLVED: To provide a differential amplifier capable of achieving both a low leakage current and a high overvoltage protection function.SOLUTION: A differential amplifier comprises: a first external input terminal; a first diode connected between the first external input terminal and a first constant potential portion, and connected in a reverse direction from the first external input terminal toward the first constant potential portion; a second diode connected between the first external input terminal and the first diode, and connected in a reverse direction from the first external input terminal toward the first diode; a third diode connected between a first connection point between the first diode and the second diode, and the first external input terminal, connected in parallel to the second diode, and connected in a forward direction from the first external input terminal toward the first connection point; and a first potential adjustment circuit that adjusts a potential at the first connection point so as to be the same as a potential at the first external input terminal.SELECTED DRAWING: Figure 1
【課題】低いリーク電流と高い過電圧保護機能を両立した差動増幅器を提供する。【解決手段】差動増幅器は、第１外部入力端子と、第１外部入力端子と第１定電位部位の間に接続されており、第１外部入力端子から第１定電位部位に向けて逆方向となるように接続されている第１ダイオードと、第１外部入力端子と第１ダイオードの間に接続されており、第１外部入力端子から第１ダイオードに向けて逆方向となるように接続されている第２ダイオードと、第１ダイオードと第２ダイオードの間の第１接続点と第１外部入力端子の間に接続されており、第２ダイオードに対して並列に接続されており、第１外部入力端子から第１接続点に向けて順方向となるように接続されている第３ダイオードと、第１接続点の電位を第１外部入力端子の電位と同電位となるように調整する第１電位調整回路と、を備える。【選択図】図１</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | AMPLIFIERS BASIC ELECTRONIC CIRCUITRY ELECTRICITY |
| title | DIFFERENTIAL AMPLIFIER |
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