Article View: sci.electronics.design
Article #2045Re: Choosing voltage opamp
From: Vitaliy
Date: Thu, 28 Sep 2006 20:35
Date: Thu, 28 Sep 2006 20:35
17 lines
2023 bytes
2023 bytes
Jamie wrote: > Vitaliy wrote: > > > I've been trying to do that. > > > > In a lot of examples on the datasheets of amplifiers I'm looking for, I > > see they are using 50Ohm input. However, I know for sure (test results) > > that output of the first stage (photodiode amp) does not work with > > 50Ohm loads, but works with 1MOhm loads. Should I be concerned about > > that? > > > > Vitaliy > > put an old stand by TL082 type op-amp infront of it. But that would kill my BW (the BW on that is only 4MHz, and I need 40MHz), right?
Technical Details
Message-ID:
<1159475709.665355.109630@m7g2000cwm.googlegroups.com>Path:
arc1-ca.pugleaf.net!g2news2.google.com!postnews.google.com!m7g2000cwm.googlegroups.com!not-for-mailReferences:
<1159031128.442881.267560@m7g2000cwm.googlegroups.com> <1159037241.672300.204950@d34g2000cwd.googlegroups.com> <1159054293.852757.184420@e3g2000cwe.googlegroups.com> <7iSRg.15$KW5.10@newsfe02.lga>Show Full Headers
Complete Article Headers
X-Google-Thread: 112d1e,c037ff6b3e0ae32c X-Google-Thread: 111d0a,c037ff6b3e0ae32c X-Google-Thread: 103407,c037ff6b3e0ae32c X-Google-Attributes: gid112d1e,gid111d0a,gid103407,public X-Google-Language: ENGLISH,ASCII-7-bit Path: arc1-ca.pugleaf.net!g2news2.google.com!postnews.google.com!m7g2000cwm.googlegroups.com!not-for-mail From: "Vitaliy" <vmykhayl@ee.ryerson.ca> Newsgroups: sci.electronics.design,sci.electronics.basics,aus.electronics Subject: Re: Choosing voltage opamp Date: 28 Sep 2006 13:35:09 -0700 Organization: http://groups.google.com Lines: 18 Message-ID: <1159475709.665355.109630@m7g2000cwm.googlegroups.com> References: <1159031128.442881.267560@m7g2000cwm.googlegroups.com> <1159037241.672300.204950@d34g2000cwd.googlegroups.com> <1159054293.852757.184420@e3g2000cwe.googlegroups.com> <7iSRg.15$KW5.10@newsfe02.lga> NNTP-Posting-Host: 141.117.1.158 Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" X-Trace: posting.google.com 1159475715 31729 127.0.0.1 (28 Sep 2006 20:35:15 GMT) X-Complaints-To: groups-abuse@google.com NNTP-Posting-Date: Thu, 28 Sep 2006 20:35:15 +0000 (UTC) In-Reply-To: <7iSRg.15$KW5.10@newsfe02.lga> User-Agent: G2/1.0 X-HTTP-UserAgent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322),gzip(gfe),gzip(gfe) Complaints-To: groups-abuse@google.com Injection-Info: m7g2000cwm.googlegroups.com; posting-host=141.117.1.158; posting-account=y8LvZQ0AAAAaJu-ufjWjKg4Mvxudys0H