Relative double-sampling hold circuit with new structure

The utility model relates to a relative double-sampling holding circuit with a new structure, which comprises a source following tube M#-[sf 1], a switch tube M#-[Lp], a sampling gating tube M#-[sh], and a DC resetting tube M#-[dc], wherein, a source electrode of the source following tube M#-[sf 1]...

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Hauptverfasser: XIANGHUI YUAN, ZHI ZHANG, YOUSHU HUANG
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ZHI ZHANG
YOUSHU HUANG
description The utility model relates to a relative double-sampling holding circuit with a new structure, which comprises a source following tube M#-[sf 1], a switch tube M#-[Lp], a sampling gating tube M#-[sh], and a DC resetting tube M#-[dc], wherein, a source electrode of the source following tube M#-[sf 1] is connected with a power source through the switch tube M#-[Lp] and is connected with the input end of a cushioning output stage through a sampling holding capacitor C#-[cds]; a leakage pole earths through the sampling gating tube M#-[sh]; a grid electrode is connected with an integrating capacitor. The source electrode and a substrate of the source following tube M#-[sf 1] are connected together so as to reduce the bulk effect of an MOS tube; the leakage electrode and the source electrode of the DC resetting tube M#-[dc] are respectively connected with the input end of the cushioning output stage and the ground; the switch tube M#-[Lp], the sampling gating tube M#-[sh], and the grid electrode of the DC resetting tube M#-[dc] are all connected with the same control pulse V#-[cdsh]. The utility model has the advantages of simple structure, simple pulse driving, convenient digital/analog conversion, frame frequency enhancement, small power, large improvement of output noise characteristic, etc. The utility model can be used for multiple output processing of integrating signals of a photoelectric detector, a photovoltaic detector, and a photoconductive detector.
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The source electrode and a substrate of the source following tube M#-[sf 1] are connected together so as to reduce the bulk effect of an MOS tube; the leakage electrode and the source electrode of the DC resetting tube M#-[dc] are respectively connected with the input end of the cushioning output stage and the ground; the switch tube M#-[Lp], the sampling gating tube M#-[sh], and the grid electrode of the DC resetting tube M#-[dc] are all connected with the same control pulse V#-[cdsh]. The utility model has the advantages of simple structure, simple pulse driving, convenient digital/analog conversion, frame frequency enhancement, small power, large improvement of output noise characteristic, etc. The utility model can be used for multiple output processing of integrating signals of a photoelectric detector, a photovoltaic detector, and a photoconductive detector.</description><edition>7</edition><language>eng</language><subject>ELECTRIC COMMUNICATION TECHNIQUE ; ELECTRICITY ; PICTORIAL COMMUNICATION, e.g. TELEVISION</subject><creationdate>2003</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&amp;date=20031112&amp;DB=EPODOC&amp;CC=CN&amp;NR=2586314Y$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20031112&amp;DB=EPODOC&amp;CC=CN&amp;NR=2586314Y$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>XIANGHUI YUAN</creatorcontrib><creatorcontrib>ZHI ZHANG</creatorcontrib><creatorcontrib>YOUSHU HUANG</creatorcontrib><title>Relative double-sampling hold circuit with new structure</title><description>The utility model relates to a relative double-sampling holding circuit with a new structure, which comprises a source following tube M#-[sf 1], a switch tube M#-[Lp], a sampling gating tube M#-[sh], and a DC resetting tube M#-[dc], wherein, a source electrode of the source following tube M#-[sf 1] is connected with a power source through the switch tube M#-[Lp] and is connected with the input end of a cushioning output stage through a sampling holding capacitor C#-[cds]; a leakage pole earths through the sampling gating tube M#-[sh]; a grid electrode is connected with an integrating capacitor. 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The source electrode and a substrate of the source following tube M#-[sf 1] are connected together so as to reduce the bulk effect of an MOS tube; the leakage electrode and the source electrode of the DC resetting tube M#-[dc] are respectively connected with the input end of the cushioning output stage and the ground; the switch tube M#-[Lp], the sampling gating tube M#-[sh], and the grid electrode of the DC resetting tube M#-[dc] are all connected with the same control pulse V#-[cdsh]. The utility model has the advantages of simple structure, simple pulse driving, convenient digital/analog conversion, frame frequency enhancement, small power, large improvement of output noise characteristic, etc. The utility model can be used for multiple output processing of integrating signals of a photoelectric detector, a photovoltaic detector, and a photoconductive detector.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record>
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
title Relative double-sampling hold circuit with new structure
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