Posted: 8/20/2014 3:40:26 PM EDT
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I'm amazed I can't seem to find one online. Anyone else have any luck finding one? |
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Quoted: I'm amazed I can't seem to find one online. Anyone else have any luck finding one? http://www.icpdf.com/PartnoView.asp?id=8320493_199936 Seems legit.  |
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Quoted: Quoted: I'm amazed I can't seem to find one online. Anyone else have any luck finding one? http://www.icpdf.com/PartnoView.asp?id=8320493_199936 Seems legit. 1178 not 1187 ;) |
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Is it an op amp, in what package, etc? Need to know what it is to make sure we get the right sheet.
Three here:http://www.ic-on-line.cn/view_download.php?id=1083635&file=0016\lt1178_145290.pdf |
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That's a pretty obscure part! Now I know why you're having trouble.
You've probably seen this: http://www.radiomuseum.org/tubes/tube_pc1178.html |
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Quoted: That's a pretty obscure part! Now I know why you're having trouble. You've probably seen this: http://www.radiomuseum.org/tubes/tube_pc1178.html yes but don't see anything useful there unless I'm missing something. |
| You're not missing anything. I doubt you'll you'll find a datasheet on that unless you contact someone with access to the NEC archive vault, if that info even still exists. Looks like a proprietary chip for receiver production 30 years ago. Sad to say, but probably obsolete and forgotten. Reminds me of the special chip made by Ricoh for Icom and used in the IC-R71 receivers and IC-751 transceivers, etc. Built for a purpose and completely abandoned when newer tech came along months or years later. |
Still trying to help you out here! 
Go to this link, the bottom result says they have the mfr datasheet for yours, but you have to be a paid member to get it. http://ecadata.de/searchnew/such.php?ECA_KEY=1178c |