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    Is this a ceramic cap?

    This kind of cap is used for decoupling MCUs.  I'm pretty sure it's a ceramic cap, but I'm not positive.  Have I IDed this correctly? 
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    Learning about Tube circuits

    This is something I've wanted to do for a long time, but it appears I was born about 40 years too late to really be in the thick of things.  Are there any good literature sources from that era that are a text book of sorts for tube electronics?  I've got access to a huge (Ohio State's) science...
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    Forumla for rectified and filtered voltage

    I picked up a transformer with a 12VAC (I'm assuming that's RMS voltage) secondary, rectified and filtered it and I get 18VDC.  Now I know why this happens, but I'd like to find the forumla that models this.  Any help? The end result is that I need 12VDC, so a tranny with a secondary that when...
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    Assistance IDing this temp sensor

    On this page: link there's what I'm guessing is a temperature sensitive switch, but I don't have a proper name for it.  What would this device be called?  From diging through the Mouser catalog I came across thermoresistors that sound like they could be it, but from what I'm reading they don't...
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