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Re: Takes two day for my post to show up
That's good to know, I thought only a few people can answer the post. I have no place in answering questions on LTSpice, so I never attempted to response to any other posts. I happen to have been designing TIA for many years, so I attempt to help out on that particular thread. My last one still has not show up yet. it's totally out of sync with the thread.
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Re: Takes two day for my post to show up
? ?"Why does it feel like Verizon is bleeding Yahoo groups to death in a slow painful way???" They aren't.? That is your imagination talking to you. Verizon hasn't touched Yahoo yet.? Whatever is happening to Yahoo today, is Yahoo's own doing (plus all the daily dangers of being who they are). Andy ? |
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Re: Takes two day for my post to show up
? ?"I notice if I start the thread like this, it'll show up right away. But if I answer other thread, it takes 2 days.?" That might be so, or not.? Others have reported there doesn't seem to be much rhyme-or-reason to it. Someone else says that the size of the message affects the delay.? That seems to be true too ... sometimes! All I can say is, we have no control over it.? New members' first messages here are delayed pending approval, but you are not a new member so that doesn't affect you. Regards, Andy ? |
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Re: Need help to design a transimpedance amplifier
¿ªÔÆÌåÓýHi WMS, The text on your schematic has an error in the expression for the notch condition. ?The correct expression should be? (wC)**2 = 1/(R1RL). ?A quick dimensional analysis agrees with that expression. ?I invited readers to satisfy themselves that the expression is true for the network with the op. amp. ?A hint; ?assume that each capacitor has a value C and that R1>>RL1 where RL1 is the resistance of the inductor L1. WMS, how did you arrive at the components values you used in your schematic ? ?what analytical rules or principles did you use. Regards, Michael P Kiwanuka To: LTspice@... From: LTspice@... Date: Mon, 8 Aug 2016 13:42:09 -0700 Subject: [LTspice] Re: Need help to design a transimpedance amplifier ?
ok,,,,3 days went by and yahoo didn't post me.? Here it is again...I uploaded "PHOTOAMP.zip" to the .TEMP files.? WW
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Re: Takes two day for my post to show up
? ?"How come when I answer a thread, it won't show up until?two days later?" I guess you have missed a few other messages about this. Yahoo, the company that runs the servers on which this group is hosted, has been having major system problems for about the last week.? They have affected all Yahoo!Groups, not just this one.? The most noticeable consequence is that some messages are delayed for several hours, even days. It's not all messages. If anyone thinks this is a sign of Yahoo's inability to host message groups, problems like this can and do hit almost anyone who has a presence on the Internet, eventually.? I could tell you some stories about email groups that were on systems other than Yahoo. Regards, Andy |
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Re: Help
W. Warren wrote: ? ?"??" I'm pretty sure that IS the Help utility that comes with LTspice!? If you have LTspice installed, you already have that entire document. ?, this group has a Links section, located here: In that area, you can find links to many tutorials, and some books. Regards, Andy |
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Re: Help
¿ªÔÆÌåÓýThat appears to be the internal Help file for SwitcherCAD, the predecessor name for LTspice. It is circa 2007 though there is no title page with author and date. But, the picture of Helmut and Mike in the appendix shows that it is is the standard file. A number of things have been added or changed since that was written.Jim James Wagner Oregon Research Electronics
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Re: Help
John Woodgate
¿ªÔÆÌåÓýIs the Wuerth book still available? The English version is ISBN 978-3-89929-258-9. It is very comprehensive but shares certain characteristics of the native Help. ? With best wishes DESIGN IT IN! OOO ¨C Own Opinions Only J M Woodgate and Associates Rayleigh England ? Sylvae in aeternum manent. ? From: LTspice@... [mailto:LTspice@...]
Sent: Monday, August 8, 2016 11:15 PM To: LTspice@... Subject: [LTspice] Re: Help ? ? Hello wms, ? I don't have a book. ? Hello, ? I recommend to go to the library of the next university and look what books they have. In Germany everybody can borrow books from a public library like the library of universities. This nay be different in other countries. ? Best regards, Helmut |
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Re: Need help to design a transimpedance amplifier
Hello wms,
Just a tip for a workaround regarding the delay. Write the message in a text editor. Then open the message you want to reply with your browser(Chrome, Firefox,..). Click on REPLY. Immediately copy your message their and then immediately click on SEND. This seems to work. It looks like if one edit the message online (too long time), the message will takes day or will never arrive. Best regards, Helmut |
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Re: No XP?
John..."64-bit WINE" should work on all linux variants at this point.? NO...I don't know of any additional software
XP may need to get it to function with "Vista-like 32-bit applications".? There is a SP4 (service pack 4) for XP most people may not know about.? It is from a Windows Hobbyist in Italy, see: W. Warren ? |
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